1 // Copyright 2012 the V8 project authors. All rights reserved.
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3 // modification, are permitted provided that the following conditions are
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33 #include "src/base/platform/condition-variable.h"
34 #include "src/base/platform/platform.h"
35 #include "src/compilation-cache.h"
36 #include "src/debug.h"
37 #include "src/deoptimizer.h"
38 #include "src/frames.h"
39 #include "src/utils.h"
40 #include "test/cctest/cctest.h"
43 using ::v8::base::Mutex;
44 using ::v8::base::LockGuard;
45 using ::v8::base::ConditionVariable;
47 using ::v8::base::Semaphore;
48 using ::v8::internal::EmbeddedVector;
49 using ::v8::internal::Object;
50 using ::v8::internal::Handle;
51 using ::v8::internal::Heap;
52 using ::v8::internal::JSGlobalProxy;
53 using ::v8::internal::Code;
54 using ::v8::internal::Debug;
55 using ::v8::internal::Debugger;
56 using ::v8::internal::CommandMessage;
57 using ::v8::internal::CommandMessageQueue;
58 using ::v8::internal::StackFrame;
59 using ::v8::internal::StepAction;
60 using ::v8::internal::StepIn; // From StepAction enum
61 using ::v8::internal::StepNext; // From StepAction enum
62 using ::v8::internal::StepOut; // From StepAction enum
63 using ::v8::internal::Vector;
64 using ::v8::internal::StrLength;
66 // Size of temp buffer for formatting small strings.
67 #define SMALL_STRING_BUFFER_SIZE 80
69 // --- H e l p e r C l a s s e s
72 // Helper class for creating a V8 enviromnent for running tests
73 class DebugLocalContext {
75 inline DebugLocalContext(
76 v8::Isolate* isolate, v8::ExtensionConfiguration* extensions = 0,
77 v8::Handle<v8::ObjectTemplate> global_template =
78 v8::Handle<v8::ObjectTemplate>(),
79 v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>())
81 context_(v8::Context::New(isolate, extensions, global_template,
85 inline DebugLocalContext(
86 v8::ExtensionConfiguration* extensions = 0,
87 v8::Handle<v8::ObjectTemplate> global_template =
88 v8::Handle<v8::ObjectTemplate>(),
89 v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>())
90 : scope_(CcTest::isolate()),
91 context_(v8::Context::New(CcTest::isolate(), extensions,
92 global_template, global_object)) {
95 inline ~DebugLocalContext() {
98 inline v8::Local<v8::Context> context() { return context_; }
99 inline v8::Context* operator->() { return *context_; }
100 inline v8::Context* operator*() { return *context_; }
101 inline v8::Isolate* GetIsolate() { return context_->GetIsolate(); }
102 inline bool IsReady() { return !context_.IsEmpty(); }
104 v8::internal::Isolate* isolate =
105 reinterpret_cast<v8::internal::Isolate*>(context_->GetIsolate());
106 v8::internal::Factory* factory = isolate->factory();
107 // Expose the debug context global object in the global object for testing.
108 CHECK(isolate->debug()->Load());
109 Handle<v8::internal::Context> debug_context =
110 isolate->debug()->debug_context();
111 debug_context->set_security_token(
112 v8::Utils::OpenHandle(*context_)->security_token());
114 Handle<JSGlobalProxy> global(Handle<JSGlobalProxy>::cast(
115 v8::Utils::OpenHandle(*context_->Global())));
116 Handle<v8::internal::String> debug_string =
117 factory->InternalizeOneByteString(STATIC_CHAR_VECTOR("debug"));
118 v8::internal::Runtime::DefineObjectProperty(global, debug_string,
119 handle(debug_context->global_proxy(), isolate), DONT_ENUM).Check();
123 v8::HandleScope scope_;
124 v8::Local<v8::Context> context_;
128 // --- H e l p e r F u n c t i o n s
131 // Compile and run the supplied source and return the fequested function.
132 static v8::Local<v8::Function> CompileFunction(DebugLocalContext* env,
134 const char* function_name) {
135 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), source))
137 return v8::Local<v8::Function>::Cast((*env)->Global()->Get(
138 v8::String::NewFromUtf8(env->GetIsolate(), function_name)));
142 // Compile and run the supplied source and return the requested function.
143 static v8::Local<v8::Function> CompileFunction(v8::Isolate* isolate,
145 const char* function_name) {
146 v8::Script::Compile(v8::String::NewFromUtf8(isolate, source))->Run();
147 v8::Local<v8::Object> global = isolate->GetCurrentContext()->Global();
148 return v8::Local<v8::Function>::Cast(
149 global->Get(v8::String::NewFromUtf8(isolate, function_name)));
153 // Is there any debug info for the function?
154 static bool HasDebugInfo(v8::Handle<v8::Function> fun) {
155 Handle<v8::internal::JSFunction> f = v8::Utils::OpenHandle(*fun);
156 Handle<v8::internal::SharedFunctionInfo> shared(f->shared());
157 return Debug::HasDebugInfo(shared);
161 // Set a break point in a function and return the associated break point
163 static int SetBreakPoint(Handle<v8::internal::JSFunction> fun, int position) {
164 static int break_point = 0;
165 v8::internal::Isolate* isolate = fun->GetIsolate();
166 v8::internal::Debug* debug = isolate->debug();
167 debug->SetBreakPoint(
169 Handle<Object>(v8::internal::Smi::FromInt(++break_point), isolate),
175 // Set a break point in a function and return the associated break point
177 static int SetBreakPoint(v8::Handle<v8::Function> fun, int position) {
178 return SetBreakPoint(v8::Utils::OpenHandle(*fun), position);
182 // Set a break point in a function using the Debug object and return the
183 // associated break point number.
184 static int SetBreakPointFromJS(v8::Isolate* isolate,
185 const char* function_name,
186 int line, int position) {
187 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
189 "debug.Debug.setBreakPoint(%s,%d,%d)",
190 function_name, line, position);
191 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
192 v8::Handle<v8::String> str = v8::String::NewFromUtf8(isolate, buffer.start());
193 return v8::Script::Compile(str)->Run()->Int32Value();
197 // Set a break point in a script identified by id using the global Debug object.
198 static int SetScriptBreakPointByIdFromJS(v8::Isolate* isolate, int script_id,
199 int line, int column) {
200 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
202 // Column specified set script break point on precise location.
204 "debug.Debug.setScriptBreakPointById(%d,%d,%d)",
205 script_id, line, column);
207 // Column not specified set script break point on line.
209 "debug.Debug.setScriptBreakPointById(%d,%d)",
212 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
214 v8::TryCatch try_catch;
215 v8::Handle<v8::String> str =
216 v8::String::NewFromUtf8(isolate, buffer.start());
217 v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run();
218 CHECK(!try_catch.HasCaught());
219 return value->Int32Value();
224 // Set a break point in a script identified by name using the global Debug
226 static int SetScriptBreakPointByNameFromJS(v8::Isolate* isolate,
227 const char* script_name, int line,
229 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
231 // Column specified set script break point on precise location.
233 "debug.Debug.setScriptBreakPointByName(\"%s\",%d,%d)",
234 script_name, line, column);
236 // Column not specified set script break point on line.
238 "debug.Debug.setScriptBreakPointByName(\"%s\",%d)",
241 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
243 v8::TryCatch try_catch;
244 v8::Handle<v8::String> str =
245 v8::String::NewFromUtf8(isolate, buffer.start());
246 v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run();
247 CHECK(!try_catch.HasCaught());
248 return value->Int32Value();
253 // Clear a break point.
254 static void ClearBreakPoint(int break_point) {
255 v8::internal::Isolate* isolate = CcTest::i_isolate();
256 v8::internal::Debug* debug = isolate->debug();
257 debug->ClearBreakPoint(
258 Handle<Object>(v8::internal::Smi::FromInt(break_point), isolate));
262 // Clear a break point using the global Debug object.
263 static void ClearBreakPointFromJS(v8::Isolate* isolate,
264 int break_point_number) {
265 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
267 "debug.Debug.clearBreakPoint(%d)",
269 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
270 v8::Script::Compile(v8::String::NewFromUtf8(isolate, buffer.start()))->Run();
274 static void EnableScriptBreakPointFromJS(v8::Isolate* isolate,
275 int break_point_number) {
276 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
278 "debug.Debug.enableScriptBreakPoint(%d)",
280 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
281 v8::Script::Compile(v8::String::NewFromUtf8(isolate, buffer.start()))->Run();
285 static void DisableScriptBreakPointFromJS(v8::Isolate* isolate,
286 int break_point_number) {
287 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
289 "debug.Debug.disableScriptBreakPoint(%d)",
291 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
292 v8::Script::Compile(v8::String::NewFromUtf8(isolate, buffer.start()))->Run();
296 static void ChangeScriptBreakPointConditionFromJS(v8::Isolate* isolate,
297 int break_point_number,
298 const char* condition) {
299 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
301 "debug.Debug.changeScriptBreakPointCondition(%d, \"%s\")",
302 break_point_number, condition);
303 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
304 v8::Script::Compile(v8::String::NewFromUtf8(isolate, buffer.start()))->Run();
308 static void ChangeScriptBreakPointIgnoreCountFromJS(v8::Isolate* isolate,
309 int break_point_number,
311 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
313 "debug.Debug.changeScriptBreakPointIgnoreCount(%d, %d)",
314 break_point_number, ignoreCount);
315 buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
316 v8::Script::Compile(v8::String::NewFromUtf8(isolate, buffer.start()))->Run();
320 // Change break on exception.
321 static void ChangeBreakOnException(bool caught, bool uncaught) {
322 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
323 debug->ChangeBreakOnException(v8::internal::BreakException, caught);
324 debug->ChangeBreakOnException(v8::internal::BreakUncaughtException, uncaught);
328 // Change break on exception using the global Debug object.
329 static void ChangeBreakOnExceptionFromJS(v8::Isolate* isolate, bool caught,
333 v8::String::NewFromUtf8(isolate, "debug.Debug.setBreakOnException()"))
337 v8::String::NewFromUtf8(isolate, "debug.Debug.clearBreakOnException()"))
342 v8::String::NewFromUtf8(
343 isolate, "debug.Debug.setBreakOnUncaughtException()"))->Run();
346 v8::String::NewFromUtf8(
347 isolate, "debug.Debug.clearBreakOnUncaughtException()"))->Run();
352 // Prepare to step to next break location.
353 static void PrepareStep(StepAction step_action) {
354 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
355 debug->PrepareStep(step_action, 1, StackFrame::NO_ID);
359 // This function is in namespace v8::internal to be friend with class
360 // v8::internal::Debug.
364 // Collect the currently debugged functions.
365 Handle<FixedArray> GetDebuggedFunctions() {
366 Debug* debug = CcTest::i_isolate()->debug();
368 v8::internal::DebugInfoListNode* node = debug->debug_info_list_;
370 // Find the number of debugged functions.
377 // Allocate array for the debugged functions
378 Handle<FixedArray> debugged_functions =
379 CcTest::i_isolate()->factory()->NewFixedArray(count);
381 // Run through the debug info objects and collect all functions.
384 debugged_functions->set(count++, *node->debug_info());
388 return debugged_functions;
392 // Check that the debugger has been fully unloaded.
393 void CheckDebuggerUnloaded(bool check_functions) {
394 // Check that the debugger context is cleared and that there is no debug
395 // information stored for the debugger.
396 CHECK(CcTest::i_isolate()->debug()->debug_context().is_null());
397 CHECK(!CcTest::i_isolate()->debug()->debug_info_list_);
399 // Collect garbage to ensure weak handles are cleared.
400 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
401 CcTest::heap()->CollectAllGarbage(Heap::kMakeHeapIterableMask);
403 // Iterate the head and check that there are no debugger related objects left.
404 HeapIterator iterator(CcTest::heap());
405 for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
406 CHECK(!obj->IsDebugInfo());
407 CHECK(!obj->IsBreakPointInfo());
409 // If deep check of functions is requested check that no debug break code
410 // is left in all functions.
411 if (check_functions) {
412 if (obj->IsJSFunction()) {
413 JSFunction* fun = JSFunction::cast(obj);
414 for (RelocIterator it(fun->shared()->code()); !it.done(); it.next()) {
415 RelocInfo::Mode rmode = it.rinfo()->rmode();
416 if (RelocInfo::IsCodeTarget(rmode)) {
417 CHECK(!Debug::IsDebugBreak(it.rinfo()->target_address()));
418 } else if (RelocInfo::IsJSReturn(rmode)) {
419 CHECK(!Debug::IsDebugBreakAtReturn(it.rinfo()));
428 } } // namespace v8::internal
431 // Check that the debugger has been fully unloaded.
432 static void CheckDebuggerUnloaded(bool check_functions = false) {
433 // Let debugger to unload itself synchronously
434 v8::Debug::ProcessDebugMessages();
436 v8::internal::CheckDebuggerUnloaded(check_functions);
440 // Inherit from BreakLocationIterator to get access to protected parts for
442 class TestBreakLocationIterator: public v8::internal::BreakLocationIterator {
444 explicit TestBreakLocationIterator(Handle<v8::internal::DebugInfo> debug_info)
445 : BreakLocationIterator(debug_info, v8::internal::SOURCE_BREAK_LOCATIONS) {}
446 v8::internal::RelocIterator* it() { return reloc_iterator_; }
447 v8::internal::RelocIterator* it_original() {
448 return reloc_iterator_original_;
453 // Compile a function, set a break point and check that the call at the break
454 // location in the code is the expected debug_break function.
455 void CheckDebugBreakFunction(DebugLocalContext* env,
456 const char* source, const char* name,
457 int position, v8::internal::RelocInfo::Mode mode,
459 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
461 // Create function and set the break point.
462 Handle<v8::internal::JSFunction> fun = v8::Utils::OpenHandle(
463 *CompileFunction(env, source, name));
464 int bp = SetBreakPoint(fun, position);
466 // Check that the debug break function is as expected.
467 Handle<v8::internal::SharedFunctionInfo> shared(fun->shared());
468 CHECK(Debug::HasDebugInfo(shared));
469 TestBreakLocationIterator it1(Debug::GetDebugInfo(shared));
470 it1.FindBreakLocationFromPosition(position, v8::internal::STATEMENT_ALIGNED);
471 v8::internal::RelocInfo::Mode actual_mode = it1.it()->rinfo()->rmode();
472 if (actual_mode == v8::internal::RelocInfo::CODE_TARGET_WITH_ID) {
473 actual_mode = v8::internal::RelocInfo::CODE_TARGET;
475 CHECK_EQ(mode, actual_mode);
476 if (mode != v8::internal::RelocInfo::JS_RETURN) {
477 CHECK_EQ(debug_break,
478 Code::GetCodeFromTargetAddress(it1.it()->rinfo()->target_address()));
480 CHECK(Debug::IsDebugBreakAtReturn(it1.it()->rinfo()));
483 // Clear the break point and check that the debug break function is no longer
486 CHECK(!debug->HasDebugInfo(shared));
487 CHECK(debug->EnsureDebugInfo(shared, fun));
488 TestBreakLocationIterator it2(Debug::GetDebugInfo(shared));
489 it2.FindBreakLocationFromPosition(position, v8::internal::STATEMENT_ALIGNED);
490 actual_mode = it2.it()->rinfo()->rmode();
491 if (actual_mode == v8::internal::RelocInfo::CODE_TARGET_WITH_ID) {
492 actual_mode = v8::internal::RelocInfo::CODE_TARGET;
494 CHECK_EQ(mode, actual_mode);
495 if (mode == v8::internal::RelocInfo::JS_RETURN) {
496 CHECK(!Debug::IsDebugBreakAtReturn(it2.it()->rinfo()));
501 // --- D e b u g E v e n t H a n d l e r s
503 // --- The different tests uses a number of debug event handlers.
507 // Source for the JavaScript function which picks out the function
509 const char* frame_function_name_source =
510 "function frame_function_name(exec_state, frame_number) {"
511 " return exec_state.frame(frame_number).func().name();"
513 v8::Local<v8::Function> frame_function_name;
516 // Source for the JavaScript function which pick out the name of the
517 // first argument of a frame.
518 const char* frame_argument_name_source =
519 "function frame_argument_name(exec_state, frame_number) {"
520 " return exec_state.frame(frame_number).argumentName(0);"
522 v8::Local<v8::Function> frame_argument_name;
525 // Source for the JavaScript function which pick out the value of the
526 // first argument of a frame.
527 const char* frame_argument_value_source =
528 "function frame_argument_value(exec_state, frame_number) {"
529 " return exec_state.frame(frame_number).argumentValue(0).value_;"
531 v8::Local<v8::Function> frame_argument_value;
534 // Source for the JavaScript function which pick out the name of the
535 // first argument of a frame.
536 const char* frame_local_name_source =
537 "function frame_local_name(exec_state, frame_number) {"
538 " return exec_state.frame(frame_number).localName(0);"
540 v8::Local<v8::Function> frame_local_name;
543 // Source for the JavaScript function which pick out the value of the
544 // first argument of a frame.
545 const char* frame_local_value_source =
546 "function frame_local_value(exec_state, frame_number) {"
547 " return exec_state.frame(frame_number).localValue(0).value_;"
549 v8::Local<v8::Function> frame_local_value;
552 // Source for the JavaScript function which picks out the source line for the
554 const char* frame_source_line_source =
555 "function frame_source_line(exec_state) {"
556 " return exec_state.frame(0).sourceLine();"
558 v8::Local<v8::Function> frame_source_line;
561 // Source for the JavaScript function which picks out the source column for the
563 const char* frame_source_column_source =
564 "function frame_source_column(exec_state) {"
565 " return exec_state.frame(0).sourceColumn();"
567 v8::Local<v8::Function> frame_source_column;
570 // Source for the JavaScript function which picks out the script name for the
572 const char* frame_script_name_source =
573 "function frame_script_name(exec_state) {"
574 " return exec_state.frame(0).func().script().name();"
576 v8::Local<v8::Function> frame_script_name;
579 // Source for the JavaScript function which returns the number of frames.
580 static const char* frame_count_source =
581 "function frame_count(exec_state) {"
582 " return exec_state.frameCount();"
584 v8::Handle<v8::Function> frame_count;
587 // Global variable to store the last function hit - used by some tests.
588 char last_function_hit[80];
590 // Global variable to store the name for last script hit - used by some tests.
591 char last_script_name_hit[80];
593 // Global variables to store the last source position - used by some tests.
594 int last_source_line = -1;
595 int last_source_column = -1;
597 // Debug event handler which counts the break points which have been hit.
598 int break_point_hit_count = 0;
599 int break_point_hit_count_deoptimize = 0;
600 static void DebugEventBreakPointHitCount(
601 const v8::Debug::EventDetails& event_details) {
602 v8::DebugEvent event = event_details.GetEvent();
603 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
604 v8::internal::Isolate* isolate = CcTest::i_isolate();
605 Debug* debug = isolate->debug();
606 // When hitting a debug event listener there must be a break set.
607 CHECK_NE(debug->break_id(), 0);
609 // Count the number of breaks.
610 if (event == v8::Break) {
611 break_point_hit_count++;
612 if (!frame_function_name.IsEmpty()) {
613 // Get the name of the function.
615 v8::Handle<v8::Value> argv[argc] = {
616 exec_state, v8::Integer::New(CcTest::isolate(), 0)
618 v8::Handle<v8::Value> result = frame_function_name->Call(exec_state,
620 if (result->IsUndefined()) {
621 last_function_hit[0] = '\0';
623 CHECK(result->IsString());
624 v8::Handle<v8::String> function_name(result.As<v8::String>());
625 function_name->WriteUtf8(last_function_hit);
629 if (!frame_source_line.IsEmpty()) {
630 // Get the source line.
632 v8::Handle<v8::Value> argv[argc] = { exec_state };
633 v8::Handle<v8::Value> result = frame_source_line->Call(exec_state,
635 CHECK(result->IsNumber());
636 last_source_line = result->Int32Value();
639 if (!frame_source_column.IsEmpty()) {
640 // Get the source column.
642 v8::Handle<v8::Value> argv[argc] = { exec_state };
643 v8::Handle<v8::Value> result = frame_source_column->Call(exec_state,
645 CHECK(result->IsNumber());
646 last_source_column = result->Int32Value();
649 if (!frame_script_name.IsEmpty()) {
650 // Get the script name of the function script.
652 v8::Handle<v8::Value> argv[argc] = { exec_state };
653 v8::Handle<v8::Value> result = frame_script_name->Call(exec_state,
655 if (result->IsUndefined()) {
656 last_script_name_hit[0] = '\0';
658 CHECK(result->IsString());
659 v8::Handle<v8::String> script_name(result.As<v8::String>());
660 script_name->WriteUtf8(last_script_name_hit);
664 // Perform a full deoptimization when the specified number of
665 // breaks have been hit.
666 if (break_point_hit_count == break_point_hit_count_deoptimize) {
667 i::Deoptimizer::DeoptimizeAll(isolate);
673 // Debug event handler which counts a number of events and collects the stack
674 // height if there is a function compiled for that.
675 int exception_hit_count = 0;
676 int uncaught_exception_hit_count = 0;
677 int last_js_stack_height = -1;
678 v8::Handle<v8::Function> debug_event_listener_callback;
679 int debug_event_listener_callback_result;
681 static void DebugEventCounterClear() {
682 break_point_hit_count = 0;
683 exception_hit_count = 0;
684 uncaught_exception_hit_count = 0;
687 static void DebugEventCounter(
688 const v8::Debug::EventDetails& event_details) {
689 v8::DebugEvent event = event_details.GetEvent();
690 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
691 v8::Handle<v8::Object> event_data = event_details.GetEventData();
692 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
694 // When hitting a debug event listener there must be a break set.
695 CHECK_NE(debug->break_id(), 0);
697 // Count the number of breaks.
698 if (event == v8::Break) {
699 break_point_hit_count++;
700 } else if (event == v8::Exception) {
701 exception_hit_count++;
703 // Check whether the exception was uncaught.
704 v8::Local<v8::String> fun_name =
705 v8::String::NewFromUtf8(CcTest::isolate(), "uncaught");
706 v8::Local<v8::Function> fun =
707 v8::Local<v8::Function>::Cast(event_data->Get(fun_name));
708 v8::Local<v8::Value> result = fun->Call(event_data, 0, NULL);
709 if (result->IsTrue()) {
710 uncaught_exception_hit_count++;
714 // Collect the JavsScript stack height if the function frame_count is
716 if (!frame_count.IsEmpty()) {
717 static const int kArgc = 1;
718 v8::Handle<v8::Value> argv[kArgc] = { exec_state };
719 // Using exec_state as receiver is just to have a receiver.
720 v8::Handle<v8::Value> result = frame_count->Call(exec_state, kArgc, argv);
721 last_js_stack_height = result->Int32Value();
724 // Run callback from DebugEventListener and check the result.
725 if (!debug_event_listener_callback.IsEmpty()) {
726 v8::Handle<v8::Value> result =
727 debug_event_listener_callback->Call(event_data, 0, NULL);
728 CHECK(!result.IsEmpty());
729 CHECK_EQ(debug_event_listener_callback_result, result->Int32Value());
734 // Debug event handler which evaluates a number of expressions when a break
735 // point is hit. Each evaluated expression is compared with an expected value.
736 // For this debug event handler to work the following two global varaibles
737 // must be initialized.
738 // checks: An array of expressions and expected results
739 // evaluate_check_function: A JavaScript function (see below)
741 // Structure for holding checks to do.
742 struct EvaluateCheck {
743 const char* expr; // An expression to evaluate when a break point is hit.
744 v8::Handle<v8::Value> expected; // The expected result.
748 // Array of checks to do.
749 struct EvaluateCheck* checks = NULL;
750 // Source for The JavaScript function which can do the evaluation when a break
752 const char* evaluate_check_source =
753 "function evaluate_check(exec_state, expr, expected) {"
754 " return exec_state.frame(0).evaluate(expr).value() === expected;"
756 v8::Local<v8::Function> evaluate_check_function;
758 // The actual debug event described by the longer comment above.
759 static void DebugEventEvaluate(
760 const v8::Debug::EventDetails& event_details) {
761 v8::DebugEvent event = event_details.GetEvent();
762 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
763 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
764 // When hitting a debug event listener there must be a break set.
765 CHECK_NE(debug->break_id(), 0);
767 if (event == v8::Break) {
768 break_point_hit_count++;
769 for (int i = 0; checks[i].expr != NULL; i++) {
771 v8::Handle<v8::Value> argv[argc] = {
773 v8::String::NewFromUtf8(CcTest::isolate(), checks[i].expr),
775 v8::Handle<v8::Value> result =
776 evaluate_check_function->Call(exec_state, argc, argv);
777 if (!result->IsTrue()) {
778 v8::String::Utf8Value utf8(checks[i].expected);
779 V8_Fatal(__FILE__, __LINE__, "%s != %s", checks[i].expr, *utf8);
786 // This debug event listener removes a breakpoint in a function
787 int debug_event_remove_break_point = 0;
788 static void DebugEventRemoveBreakPoint(
789 const v8::Debug::EventDetails& event_details) {
790 v8::DebugEvent event = event_details.GetEvent();
791 v8::Handle<v8::Value> data = event_details.GetCallbackData();
792 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
793 // When hitting a debug event listener there must be a break set.
794 CHECK_NE(debug->break_id(), 0);
796 if (event == v8::Break) {
797 break_point_hit_count++;
798 CHECK(data->IsFunction());
799 ClearBreakPoint(debug_event_remove_break_point);
804 // Debug event handler which counts break points hit and performs a step
806 StepAction step_action = StepIn; // Step action to perform when stepping.
807 static void DebugEventStep(
808 const v8::Debug::EventDetails& event_details) {
809 v8::DebugEvent event = event_details.GetEvent();
810 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
811 // When hitting a debug event listener there must be a break set.
812 CHECK_NE(debug->break_id(), 0);
814 if (event == v8::Break) {
815 break_point_hit_count++;
816 PrepareStep(step_action);
821 // Debug event handler which counts break points hit and performs a step
822 // afterwards. For each call the expected function is checked.
823 // For this debug event handler to work the following two global varaibles
824 // must be initialized.
825 // expected_step_sequence: An array of the expected function call sequence.
826 // frame_function_name: A JavaScript function (see below).
828 // String containing the expected function call sequence. Note: this only works
829 // if functions have name length of one.
830 const char* expected_step_sequence = NULL;
832 // The actual debug event described by the longer comment above.
833 static void DebugEventStepSequence(
834 const v8::Debug::EventDetails& event_details) {
835 v8::DebugEvent event = event_details.GetEvent();
836 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
837 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
838 // When hitting a debug event listener there must be a break set.
839 CHECK_NE(debug->break_id(), 0);
841 if (event == v8::Break || event == v8::Exception) {
842 // Check that the current function is the expected.
843 CHECK(break_point_hit_count <
844 StrLength(expected_step_sequence));
846 v8::Handle<v8::Value> argv[argc] = {
847 exec_state, v8::Integer::New(CcTest::isolate(), 0)
849 v8::Handle<v8::Value> result = frame_function_name->Call(exec_state,
851 CHECK(result->IsString());
852 v8::String::Utf8Value function_name(result->ToString(CcTest::isolate()));
853 CHECK_EQ(1, StrLength(*function_name));
854 CHECK_EQ((*function_name)[0],
855 expected_step_sequence[break_point_hit_count]);
858 break_point_hit_count++;
859 PrepareStep(step_action);
864 // Debug event handler which performs a garbage collection.
865 static void DebugEventBreakPointCollectGarbage(
866 const v8::Debug::EventDetails& event_details) {
867 v8::DebugEvent event = event_details.GetEvent();
868 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
869 // When hitting a debug event listener there must be a break set.
870 CHECK_NE(debug->break_id(), 0);
872 // Perform a garbage collection when break point is hit and continue. Based
873 // on the number of break points hit either scavenge or mark compact
874 // collector is used.
875 if (event == v8::Break) {
876 break_point_hit_count++;
877 if (break_point_hit_count % 2 == 0) {
879 CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE);
881 // Mark sweep compact.
882 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
888 // Debug event handler which re-issues a debug break and calls the garbage
889 // collector to have the heap verified.
890 static void DebugEventBreak(
891 const v8::Debug::EventDetails& event_details) {
892 v8::DebugEvent event = event_details.GetEvent();
893 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
894 // When hitting a debug event listener there must be a break set.
895 CHECK_NE(debug->break_id(), 0);
897 if (event == v8::Break) {
898 // Count the number of breaks.
899 break_point_hit_count++;
901 // Run the garbage collector to enforce heap verification if option
902 // --verify-heap is set.
903 CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE);
905 // Set the break flag again to come back here as soon as possible.
906 v8::Debug::DebugBreak(CcTest::isolate());
911 // Debug event handler which re-issues a debug break until a limit has been
913 int max_break_point_hit_count = 0;
914 bool terminate_after_max_break_point_hit = false;
915 static void DebugEventBreakMax(
916 const v8::Debug::EventDetails& event_details) {
917 v8::DebugEvent event = event_details.GetEvent();
918 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
919 v8::Isolate* v8_isolate = CcTest::isolate();
920 v8::internal::Isolate* isolate = CcTest::i_isolate();
921 v8::internal::Debug* debug = isolate->debug();
922 // When hitting a debug event listener there must be a break set.
923 CHECK_NE(debug->break_id(), 0);
925 if (event == v8::Break) {
926 if (break_point_hit_count < max_break_point_hit_count) {
927 // Count the number of breaks.
928 break_point_hit_count++;
930 // Collect the JavsScript stack height if the function frame_count is
932 if (!frame_count.IsEmpty()) {
933 static const int kArgc = 1;
934 v8::Handle<v8::Value> argv[kArgc] = { exec_state };
935 // Using exec_state as receiver is just to have a receiver.
936 v8::Handle<v8::Value> result =
937 frame_count->Call(exec_state, kArgc, argv);
938 last_js_stack_height = result->Int32Value();
941 // Set the break flag again to come back here as soon as possible.
942 v8::Debug::DebugBreak(v8_isolate);
944 } else if (terminate_after_max_break_point_hit) {
945 // Terminate execution after the last break if requested.
946 v8::V8::TerminateExecution(v8_isolate);
949 // Perform a full deoptimization when the specified number of
950 // breaks have been hit.
951 if (break_point_hit_count == break_point_hit_count_deoptimize) {
952 i::Deoptimizer::DeoptimizeAll(isolate);
958 // --- M e s s a g e C a l l b a c k
961 // Message callback which counts the number of messages.
962 int message_callback_count = 0;
964 static void MessageCallbackCountClear() {
965 message_callback_count = 0;
968 static void MessageCallbackCount(v8::Handle<v8::Message> message,
969 v8::Handle<v8::Value> data) {
970 message_callback_count++;
974 // --- T h e A c t u a l T e s t s
977 // Test that the debug break function is the expected one for different kinds
978 // of break locations.
980 using ::v8::internal::Builtins;
981 using ::v8::internal::Isolate;
982 DebugLocalContext env;
983 v8::HandleScope scope(env->GetIsolate());
985 CheckDebugBreakFunction(&env,
986 "function f1(){}", "f1",
988 v8::internal::RelocInfo::JS_RETURN,
990 CheckDebugBreakFunction(&env,
991 "function f2(){x=1;}", "f2",
993 v8::internal::RelocInfo::CODE_TARGET,
994 CcTest::i_isolate()->builtins()->builtin(
995 Builtins::kStoreIC_DebugBreak));
996 CheckDebugBreakFunction(&env,
997 "function f3(){var a=x;}", "f3",
999 v8::internal::RelocInfo::CODE_TARGET,
1000 CcTest::i_isolate()->builtins()->builtin(
1001 Builtins::kLoadIC_DebugBreak));
1003 // TODO(1240753): Make the test architecture independent or split
1004 // parts of the debugger into architecture dependent files. This
1005 // part currently disabled as it is not portable between IA32/ARM.
1006 // Currently on ICs for keyed store/load on ARM.
1007 #if !defined (__arm__) && !defined(__thumb__)
1008 CheckDebugBreakFunction(
1010 "function f4(){var index='propertyName'; var a={}; a[index] = 'x';}",
1013 v8::internal::RelocInfo::CODE_TARGET,
1014 CcTest::i_isolate()->builtins()->builtin(
1015 Builtins::kKeyedStoreIC_DebugBreak));
1016 CheckDebugBreakFunction(
1018 "function f5(){var index='propertyName'; var a={}; return a[index];}",
1021 v8::internal::RelocInfo::CODE_TARGET,
1022 CcTest::i_isolate()->builtins()->builtin(
1023 Builtins::kKeyedLoadIC_DebugBreak));
1026 CheckDebugBreakFunction(
1028 "function f6(a){return a==null;}",
1031 v8::internal::RelocInfo::CODE_TARGET,
1032 CcTest::i_isolate()->builtins()->builtin(
1033 Builtins::kCompareNilIC_DebugBreak));
1035 // Check the debug break code stubs for call ICs with different number of
1037 // TODO(verwaest): XXX update test.
1038 // Handle<Code> debug_break_0 = v8::internal::ComputeCallDebugBreak(0);
1039 // Handle<Code> debug_break_1 = v8::internal::ComputeCallDebugBreak(1);
1040 // Handle<Code> debug_break_4 = v8::internal::ComputeCallDebugBreak(4);
1042 // CheckDebugBreakFunction(&env,
1043 // "function f4_0(){x();}", "f4_0",
1045 // v8::internal::RelocInfo::CODE_TARGET,
1048 // CheckDebugBreakFunction(&env,
1049 // "function f4_1(){x(1);}", "f4_1",
1051 // v8::internal::RelocInfo::CODE_TARGET,
1054 // CheckDebugBreakFunction(&env,
1055 // "function f4_4(){x(1,2,3,4);}", "f4_4",
1057 // v8::internal::RelocInfo::CODE_TARGET,
1062 // Test that the debug info in the VM is in sync with the functions being
1065 DebugLocalContext env;
1066 v8::HandleScope scope(env->GetIsolate());
1067 // Create a couple of functions for the test.
1068 v8::Local<v8::Function> foo =
1069 CompileFunction(&env, "function foo(){}", "foo");
1070 v8::Local<v8::Function> bar =
1071 CompileFunction(&env, "function bar(){}", "bar");
1072 // Initially no functions are debugged.
1073 CHECK_EQ(0, v8::internal::GetDebuggedFunctions()->length());
1074 CHECK(!HasDebugInfo(foo));
1075 CHECK(!HasDebugInfo(bar));
1076 // One function (foo) is debugged.
1077 int bp1 = SetBreakPoint(foo, 0);
1078 CHECK_EQ(1, v8::internal::GetDebuggedFunctions()->length());
1079 CHECK(HasDebugInfo(foo));
1080 CHECK(!HasDebugInfo(bar));
1081 // Two functions are debugged.
1082 int bp2 = SetBreakPoint(bar, 0);
1083 CHECK_EQ(2, v8::internal::GetDebuggedFunctions()->length());
1084 CHECK(HasDebugInfo(foo));
1085 CHECK(HasDebugInfo(bar));
1086 // One function (bar) is debugged.
1087 ClearBreakPoint(bp1);
1088 CHECK_EQ(1, v8::internal::GetDebuggedFunctions()->length());
1089 CHECK(!HasDebugInfo(foo));
1090 CHECK(HasDebugInfo(bar));
1091 // No functions are debugged.
1092 ClearBreakPoint(bp2);
1093 CHECK_EQ(0, v8::internal::GetDebuggedFunctions()->length());
1094 CHECK(!HasDebugInfo(foo));
1095 CHECK(!HasDebugInfo(bar));
1099 // Test that a break point can be set at an IC store location.
1100 TEST(BreakPointICStore) {
1101 break_point_hit_count = 0;
1102 DebugLocalContext env;
1103 v8::HandleScope scope(env->GetIsolate());
1105 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1106 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
1107 "function foo(){bar=0;}"))->Run();
1108 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
1109 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
1111 // Run without breakpoints.
1112 foo->Call(env->Global(), 0, NULL);
1113 CHECK_EQ(0, break_point_hit_count);
1115 // Run with breakpoint
1116 int bp = SetBreakPoint(foo, 0);
1117 foo->Call(env->Global(), 0, NULL);
1118 CHECK_EQ(1, break_point_hit_count);
1119 foo->Call(env->Global(), 0, NULL);
1120 CHECK_EQ(2, break_point_hit_count);
1122 // Run without breakpoints.
1123 ClearBreakPoint(bp);
1124 foo->Call(env->Global(), 0, NULL);
1125 CHECK_EQ(2, break_point_hit_count);
1127 v8::Debug::SetDebugEventListener(NULL);
1128 CheckDebuggerUnloaded();
1132 // Test that a break point can be set at an IC load location.
1133 TEST(BreakPointICLoad) {
1134 break_point_hit_count = 0;
1135 DebugLocalContext env;
1136 v8::HandleScope scope(env->GetIsolate());
1137 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1138 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "bar=1"))
1140 v8::Script::Compile(
1141 v8::String::NewFromUtf8(env->GetIsolate(), "function foo(){var x=bar;}"))
1143 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
1144 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
1146 // Run without breakpoints.
1147 foo->Call(env->Global(), 0, NULL);
1148 CHECK_EQ(0, break_point_hit_count);
1150 // Run with breakpoint.
1151 int bp = SetBreakPoint(foo, 0);
1152 foo->Call(env->Global(), 0, NULL);
1153 CHECK_EQ(1, break_point_hit_count);
1154 foo->Call(env->Global(), 0, NULL);
1155 CHECK_EQ(2, break_point_hit_count);
1157 // Run without breakpoints.
1158 ClearBreakPoint(bp);
1159 foo->Call(env->Global(), 0, NULL);
1160 CHECK_EQ(2, break_point_hit_count);
1162 v8::Debug::SetDebugEventListener(NULL);
1163 CheckDebuggerUnloaded();
1167 // Test that a break point can be set at an IC call location.
1168 TEST(BreakPointICCall) {
1169 break_point_hit_count = 0;
1170 DebugLocalContext env;
1171 v8::HandleScope scope(env->GetIsolate());
1172 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1173 v8::Script::Compile(
1174 v8::String::NewFromUtf8(env->GetIsolate(), "function bar(){}"))->Run();
1175 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
1176 "function foo(){bar();}"))->Run();
1177 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
1178 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
1180 // Run without breakpoints.
1181 foo->Call(env->Global(), 0, NULL);
1182 CHECK_EQ(0, break_point_hit_count);
1184 // Run with breakpoint
1185 int bp = SetBreakPoint(foo, 0);
1186 foo->Call(env->Global(), 0, NULL);
1187 CHECK_EQ(1, break_point_hit_count);
1188 foo->Call(env->Global(), 0, NULL);
1189 CHECK_EQ(2, break_point_hit_count);
1191 // Run without breakpoints.
1192 ClearBreakPoint(bp);
1193 foo->Call(env->Global(), 0, NULL);
1194 CHECK_EQ(2, break_point_hit_count);
1196 v8::Debug::SetDebugEventListener(NULL);
1197 CheckDebuggerUnloaded();
1201 // Test that a break point can be set at an IC call location and survive a GC.
1202 TEST(BreakPointICCallWithGC) {
1203 break_point_hit_count = 0;
1204 DebugLocalContext env;
1205 v8::HandleScope scope(env->GetIsolate());
1206 v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage);
1207 v8::Script::Compile(
1208 v8::String::NewFromUtf8(env->GetIsolate(), "function bar(){return 1;}"))
1210 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
1211 "function foo(){return bar();}"))
1213 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
1214 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
1216 // Run without breakpoints.
1217 CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
1218 CHECK_EQ(0, break_point_hit_count);
1220 // Run with breakpoint.
1221 int bp = SetBreakPoint(foo, 0);
1222 CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
1223 CHECK_EQ(1, break_point_hit_count);
1224 CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
1225 CHECK_EQ(2, break_point_hit_count);
1227 // Run without breakpoints.
1228 ClearBreakPoint(bp);
1229 foo->Call(env->Global(), 0, NULL);
1230 CHECK_EQ(2, break_point_hit_count);
1232 v8::Debug::SetDebugEventListener(NULL);
1233 CheckDebuggerUnloaded();
1237 // Test that a break point can be set at an IC call location and survive a GC.
1238 TEST(BreakPointConstructCallWithGC) {
1239 break_point_hit_count = 0;
1240 DebugLocalContext env;
1241 v8::HandleScope scope(env->GetIsolate());
1242 v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage);
1243 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
1244 "function bar(){ this.x = 1;}"))
1246 v8::Script::Compile(
1247 v8::String::NewFromUtf8(env->GetIsolate(),
1248 "function foo(){return new bar(1).x;}"))->Run();
1249 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
1250 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
1252 // Run without breakpoints.
1253 CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
1254 CHECK_EQ(0, break_point_hit_count);
1256 // Run with breakpoint.
1257 int bp = SetBreakPoint(foo, 0);
1258 CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
1259 CHECK_EQ(1, break_point_hit_count);
1260 CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
1261 CHECK_EQ(2, break_point_hit_count);
1263 // Run without breakpoints.
1264 ClearBreakPoint(bp);
1265 foo->Call(env->Global(), 0, NULL);
1266 CHECK_EQ(2, break_point_hit_count);
1268 v8::Debug::SetDebugEventListener(NULL);
1269 CheckDebuggerUnloaded();
1273 // Test that a break point can be set at a return store location.
1274 TEST(BreakPointReturn) {
1275 break_point_hit_count = 0;
1276 DebugLocalContext env;
1277 v8::HandleScope scope(env->GetIsolate());
1279 // Create a functions for checking the source line and column when hitting
1281 frame_source_line = CompileFunction(&env,
1282 frame_source_line_source,
1283 "frame_source_line");
1284 frame_source_column = CompileFunction(&env,
1285 frame_source_column_source,
1286 "frame_source_column");
1289 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1290 v8::Script::Compile(
1291 v8::String::NewFromUtf8(env->GetIsolate(), "function foo(){}"))->Run();
1292 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
1293 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
1295 // Run without breakpoints.
1296 foo->Call(env->Global(), 0, NULL);
1297 CHECK_EQ(0, break_point_hit_count);
1299 // Run with breakpoint
1300 int bp = SetBreakPoint(foo, 0);
1301 foo->Call(env->Global(), 0, NULL);
1302 CHECK_EQ(1, break_point_hit_count);
1303 CHECK_EQ(0, last_source_line);
1304 CHECK_EQ(15, last_source_column);
1305 foo->Call(env->Global(), 0, NULL);
1306 CHECK_EQ(2, break_point_hit_count);
1307 CHECK_EQ(0, last_source_line);
1308 CHECK_EQ(15, last_source_column);
1310 // Run without breakpoints.
1311 ClearBreakPoint(bp);
1312 foo->Call(env->Global(), 0, NULL);
1313 CHECK_EQ(2, break_point_hit_count);
1315 v8::Debug::SetDebugEventListener(NULL);
1316 CheckDebuggerUnloaded();
1320 static void CallWithBreakPoints(v8::Local<v8::Object> recv,
1321 v8::Local<v8::Function> f,
1322 int break_point_count,
1324 break_point_hit_count = 0;
1325 for (int i = 0; i < call_count; i++) {
1326 f->Call(recv, 0, NULL);
1327 CHECK_EQ((i + 1) * break_point_count, break_point_hit_count);
1332 // Test GC during break point processing.
1333 TEST(GCDuringBreakPointProcessing) {
1334 break_point_hit_count = 0;
1335 DebugLocalContext env;
1336 v8::HandleScope scope(env->GetIsolate());
1338 v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage);
1339 v8::Local<v8::Function> foo;
1341 // Test IC store break point with garbage collection.
1342 foo = CompileFunction(&env, "function foo(){bar=0;}", "foo");
1343 SetBreakPoint(foo, 0);
1344 CallWithBreakPoints(env->Global(), foo, 1, 10);
1346 // Test IC load break point with garbage collection.
1347 foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo");
1348 SetBreakPoint(foo, 0);
1349 CallWithBreakPoints(env->Global(), foo, 1, 10);
1351 // Test IC call break point with garbage collection.
1352 foo = CompileFunction(&env, "function bar(){};function foo(){bar();}", "foo");
1353 SetBreakPoint(foo, 0);
1354 CallWithBreakPoints(env->Global(), foo, 1, 10);
1356 // Test return break point with garbage collection.
1357 foo = CompileFunction(&env, "function foo(){}", "foo");
1358 SetBreakPoint(foo, 0);
1359 CallWithBreakPoints(env->Global(), foo, 1, 25);
1361 // Test debug break slot break point with garbage collection.
1362 foo = CompileFunction(&env, "function foo(){var a;}", "foo");
1363 SetBreakPoint(foo, 0);
1364 CallWithBreakPoints(env->Global(), foo, 1, 25);
1366 v8::Debug::SetDebugEventListener(NULL);
1367 CheckDebuggerUnloaded();
1371 // Call the function three times with different garbage collections in between
1372 // and make sure that the break point survives.
1373 static void CallAndGC(v8::Local<v8::Object> recv,
1374 v8::Local<v8::Function> f) {
1375 break_point_hit_count = 0;
1377 for (int i = 0; i < 3; i++) {
1379 f->Call(recv, 0, NULL);
1380 CHECK_EQ(1 + i * 3, break_point_hit_count);
1382 // Scavenge and call function.
1383 CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE);
1384 f->Call(recv, 0, NULL);
1385 CHECK_EQ(2 + i * 3, break_point_hit_count);
1387 // Mark sweep (and perhaps compact) and call function.
1388 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
1389 f->Call(recv, 0, NULL);
1390 CHECK_EQ(3 + i * 3, break_point_hit_count);
1395 // Test that a break point can be set at a return store location.
1396 TEST(BreakPointSurviveGC) {
1397 break_point_hit_count = 0;
1398 DebugLocalContext env;
1399 v8::HandleScope scope(env->GetIsolate());
1401 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1402 v8::Local<v8::Function> foo;
1404 // Test IC store break point with garbage collection.
1406 CompileFunction(&env, "function foo(){}", "foo");
1407 foo = CompileFunction(&env, "function foo(){bar=0;}", "foo");
1408 SetBreakPoint(foo, 0);
1410 CallAndGC(env->Global(), foo);
1412 // Test IC load break point with garbage collection.
1414 CompileFunction(&env, "function foo(){}", "foo");
1415 foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo");
1416 SetBreakPoint(foo, 0);
1418 CallAndGC(env->Global(), foo);
1420 // Test IC call break point with garbage collection.
1422 CompileFunction(&env, "function foo(){}", "foo");
1423 foo = CompileFunction(&env,
1424 "function bar(){};function foo(){bar();}",
1426 SetBreakPoint(foo, 0);
1428 CallAndGC(env->Global(), foo);
1430 // Test return break point with garbage collection.
1432 CompileFunction(&env, "function foo(){}", "foo");
1433 foo = CompileFunction(&env, "function foo(){}", "foo");
1434 SetBreakPoint(foo, 0);
1436 CallAndGC(env->Global(), foo);
1438 // Test non IC break point with garbage collection.
1440 CompileFunction(&env, "function foo(){}", "foo");
1441 foo = CompileFunction(&env, "function foo(){var bar=0;}", "foo");
1442 SetBreakPoint(foo, 0);
1444 CallAndGC(env->Global(), foo);
1447 v8::Debug::SetDebugEventListener(NULL);
1448 CheckDebuggerUnloaded();
1452 // Test that break points can be set using the global Debug object.
1453 TEST(BreakPointThroughJavaScript) {
1454 break_point_hit_count = 0;
1455 DebugLocalContext env;
1456 v8::HandleScope scope(env->GetIsolate());
1459 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1460 v8::Script::Compile(
1461 v8::String::NewFromUtf8(env->GetIsolate(), "function bar(){}"))->Run();
1462 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
1463 "function foo(){bar();bar();}"))
1465 // 012345678901234567890
1467 // Break points are set at position 3 and 9
1468 v8::Local<v8::Script> foo =
1469 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "foo()"));
1471 // Run without breakpoints.
1473 CHECK_EQ(0, break_point_hit_count);
1475 // Run with one breakpoint
1476 int bp1 = SetBreakPointFromJS(env->GetIsolate(), "foo", 0, 3);
1478 CHECK_EQ(1, break_point_hit_count);
1480 CHECK_EQ(2, break_point_hit_count);
1482 // Run with two breakpoints
1483 int bp2 = SetBreakPointFromJS(env->GetIsolate(), "foo", 0, 9);
1485 CHECK_EQ(4, break_point_hit_count);
1487 CHECK_EQ(6, break_point_hit_count);
1489 // Run with one breakpoint
1490 ClearBreakPointFromJS(env->GetIsolate(), bp2);
1492 CHECK_EQ(7, break_point_hit_count);
1494 CHECK_EQ(8, break_point_hit_count);
1496 // Run without breakpoints.
1497 ClearBreakPointFromJS(env->GetIsolate(), bp1);
1499 CHECK_EQ(8, break_point_hit_count);
1501 v8::Debug::SetDebugEventListener(NULL);
1502 CheckDebuggerUnloaded();
1504 // Make sure that the break point numbers are consecutive.
1510 // Test that break points on scripts identified by name can be set using the
1511 // global Debug object.
1512 TEST(ScriptBreakPointByNameThroughJavaScript) {
1513 break_point_hit_count = 0;
1514 DebugLocalContext env;
1515 v8::HandleScope scope(env->GetIsolate());
1518 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1520 v8::Local<v8::String> script = v8::String::NewFromUtf8(
1524 " a = 0; // line 2\n"
1526 " b = 1; // line 4\n"
1534 " b = 2; // line 12\n"
1536 " b = 3; // line 14\n"
1537 " f(); // line 15\n"
1540 // Compile the script and get the two functions.
1541 v8::ScriptOrigin origin =
1542 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
1543 v8::Script::Compile(script, &origin)->Run();
1544 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
1545 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1546 v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
1547 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
1549 // Call f and g without break points.
1550 break_point_hit_count = 0;
1551 f->Call(env->Global(), 0, NULL);
1552 CHECK_EQ(0, break_point_hit_count);
1553 g->Call(env->Global(), 0, NULL);
1554 CHECK_EQ(0, break_point_hit_count);
1556 // Call f and g with break point on line 12.
1557 int sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 12, 0);
1558 break_point_hit_count = 0;
1559 f->Call(env->Global(), 0, NULL);
1560 CHECK_EQ(0, break_point_hit_count);
1561 g->Call(env->Global(), 0, NULL);
1562 CHECK_EQ(1, break_point_hit_count);
1564 // Remove the break point again.
1565 break_point_hit_count = 0;
1566 ClearBreakPointFromJS(env->GetIsolate(), sbp1);
1567 f->Call(env->Global(), 0, NULL);
1568 CHECK_EQ(0, break_point_hit_count);
1569 g->Call(env->Global(), 0, NULL);
1570 CHECK_EQ(0, break_point_hit_count);
1572 // Call f and g with break point on line 2.
1573 int sbp2 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 2, 0);
1574 break_point_hit_count = 0;
1575 f->Call(env->Global(), 0, NULL);
1576 CHECK_EQ(1, break_point_hit_count);
1577 g->Call(env->Global(), 0, NULL);
1578 CHECK_EQ(2, break_point_hit_count);
1580 // Call f and g with break point on line 2, 4, 12, 14 and 15.
1581 int sbp3 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 4, 0);
1582 int sbp4 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 12, 0);
1583 int sbp5 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 14, 0);
1584 int sbp6 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 15, 0);
1585 break_point_hit_count = 0;
1586 f->Call(env->Global(), 0, NULL);
1587 CHECK_EQ(2, break_point_hit_count);
1588 g->Call(env->Global(), 0, NULL);
1589 CHECK_EQ(7, break_point_hit_count);
1591 // Remove all the break points again.
1592 break_point_hit_count = 0;
1593 ClearBreakPointFromJS(env->GetIsolate(), sbp2);
1594 ClearBreakPointFromJS(env->GetIsolate(), sbp3);
1595 ClearBreakPointFromJS(env->GetIsolate(), sbp4);
1596 ClearBreakPointFromJS(env->GetIsolate(), sbp5);
1597 ClearBreakPointFromJS(env->GetIsolate(), sbp6);
1598 f->Call(env->Global(), 0, NULL);
1599 CHECK_EQ(0, break_point_hit_count);
1600 g->Call(env->Global(), 0, NULL);
1601 CHECK_EQ(0, break_point_hit_count);
1603 v8::Debug::SetDebugEventListener(NULL);
1604 CheckDebuggerUnloaded();
1606 // Make sure that the break point numbers are consecutive.
1616 TEST(ScriptBreakPointByIdThroughJavaScript) {
1617 break_point_hit_count = 0;
1618 DebugLocalContext env;
1619 v8::HandleScope scope(env->GetIsolate());
1622 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1624 v8::Local<v8::String> source = v8::String::NewFromUtf8(
1628 " a = 0; // line 2\n"
1630 " b = 1; // line 4\n"
1638 " b = 2; // line 12\n"
1640 " b = 3; // line 14\n"
1641 " f(); // line 15\n"
1644 // Compile the script and get the two functions.
1645 v8::ScriptOrigin origin =
1646 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
1647 v8::Local<v8::Script> script = v8::Script::Compile(source, &origin);
1649 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
1650 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1651 v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
1652 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
1654 // Get the script id knowing that internally it is a 32 integer.
1655 int script_id = script->GetUnboundScript()->GetId();
1657 // Call f and g without break points.
1658 break_point_hit_count = 0;
1659 f->Call(env->Global(), 0, NULL);
1660 CHECK_EQ(0, break_point_hit_count);
1661 g->Call(env->Global(), 0, NULL);
1662 CHECK_EQ(0, break_point_hit_count);
1664 // Call f and g with break point on line 12.
1665 int sbp1 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 12, 0);
1666 break_point_hit_count = 0;
1667 f->Call(env->Global(), 0, NULL);
1668 CHECK_EQ(0, break_point_hit_count);
1669 g->Call(env->Global(), 0, NULL);
1670 CHECK_EQ(1, break_point_hit_count);
1672 // Remove the break point again.
1673 break_point_hit_count = 0;
1674 ClearBreakPointFromJS(env->GetIsolate(), sbp1);
1675 f->Call(env->Global(), 0, NULL);
1676 CHECK_EQ(0, break_point_hit_count);
1677 g->Call(env->Global(), 0, NULL);
1678 CHECK_EQ(0, break_point_hit_count);
1680 // Call f and g with break point on line 2.
1681 int sbp2 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 2, 0);
1682 break_point_hit_count = 0;
1683 f->Call(env->Global(), 0, NULL);
1684 CHECK_EQ(1, break_point_hit_count);
1685 g->Call(env->Global(), 0, NULL);
1686 CHECK_EQ(2, break_point_hit_count);
1688 // Call f and g with break point on line 2, 4, 12, 14 and 15.
1689 int sbp3 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 4, 0);
1690 int sbp4 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 12, 0);
1691 int sbp5 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 14, 0);
1692 int sbp6 = SetScriptBreakPointByIdFromJS(env->GetIsolate(), script_id, 15, 0);
1693 break_point_hit_count = 0;
1694 f->Call(env->Global(), 0, NULL);
1695 CHECK_EQ(2, break_point_hit_count);
1696 g->Call(env->Global(), 0, NULL);
1697 CHECK_EQ(7, break_point_hit_count);
1699 // Remove all the break points again.
1700 break_point_hit_count = 0;
1701 ClearBreakPointFromJS(env->GetIsolate(), sbp2);
1702 ClearBreakPointFromJS(env->GetIsolate(), sbp3);
1703 ClearBreakPointFromJS(env->GetIsolate(), sbp4);
1704 ClearBreakPointFromJS(env->GetIsolate(), sbp5);
1705 ClearBreakPointFromJS(env->GetIsolate(), sbp6);
1706 f->Call(env->Global(), 0, NULL);
1707 CHECK_EQ(0, break_point_hit_count);
1708 g->Call(env->Global(), 0, NULL);
1709 CHECK_EQ(0, break_point_hit_count);
1711 v8::Debug::SetDebugEventListener(NULL);
1712 CheckDebuggerUnloaded();
1714 // Make sure that the break point numbers are consecutive.
1724 // Test conditional script break points.
1725 TEST(EnableDisableScriptBreakPoint) {
1726 break_point_hit_count = 0;
1727 DebugLocalContext env;
1728 v8::HandleScope scope(env->GetIsolate());
1731 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1733 v8::Local<v8::String> script = v8::String::NewFromUtf8(
1736 " a = 0; // line 1\n"
1739 // Compile the script and get function f.
1740 v8::ScriptOrigin origin =
1741 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
1742 v8::Script::Compile(script, &origin)->Run();
1743 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
1744 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1746 // Set script break point on line 1 (in function f).
1747 int sbp = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 1, 0);
1749 // Call f while enabeling and disabling the script break point.
1750 break_point_hit_count = 0;
1751 f->Call(env->Global(), 0, NULL);
1752 CHECK_EQ(1, break_point_hit_count);
1754 DisableScriptBreakPointFromJS(env->GetIsolate(), sbp);
1755 f->Call(env->Global(), 0, NULL);
1756 CHECK_EQ(1, break_point_hit_count);
1758 EnableScriptBreakPointFromJS(env->GetIsolate(), sbp);
1759 f->Call(env->Global(), 0, NULL);
1760 CHECK_EQ(2, break_point_hit_count);
1762 DisableScriptBreakPointFromJS(env->GetIsolate(), sbp);
1763 f->Call(env->Global(), 0, NULL);
1764 CHECK_EQ(2, break_point_hit_count);
1766 // Reload the script and get f again checking that the disabeling survives.
1767 v8::Script::Compile(script, &origin)->Run();
1768 f = v8::Local<v8::Function>::Cast(
1769 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1770 f->Call(env->Global(), 0, NULL);
1771 CHECK_EQ(2, break_point_hit_count);
1773 EnableScriptBreakPointFromJS(env->GetIsolate(), sbp);
1774 f->Call(env->Global(), 0, NULL);
1775 CHECK_EQ(3, break_point_hit_count);
1777 v8::Debug::SetDebugEventListener(NULL);
1778 CheckDebuggerUnloaded();
1782 // Test conditional script break points.
1783 TEST(ConditionalScriptBreakPoint) {
1784 break_point_hit_count = 0;
1785 DebugLocalContext env;
1786 v8::HandleScope scope(env->GetIsolate());
1789 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1791 v8::Local<v8::String> script = v8::String::NewFromUtf8(
1795 " g(count++); // line 2\n"
1798 " var a=x; // line 5\n"
1801 // Compile the script and get function f.
1802 v8::ScriptOrigin origin =
1803 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
1804 v8::Script::Compile(script, &origin)->Run();
1805 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
1806 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1808 // Set script break point on line 5 (in function g).
1809 int sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 5, 0);
1811 // Call f with different conditions on the script break point.
1812 break_point_hit_count = 0;
1813 ChangeScriptBreakPointConditionFromJS(env->GetIsolate(), sbp1, "false");
1814 f->Call(env->Global(), 0, NULL);
1815 CHECK_EQ(0, break_point_hit_count);
1817 ChangeScriptBreakPointConditionFromJS(env->GetIsolate(), sbp1, "true");
1818 break_point_hit_count = 0;
1819 f->Call(env->Global(), 0, NULL);
1820 CHECK_EQ(1, break_point_hit_count);
1822 ChangeScriptBreakPointConditionFromJS(env->GetIsolate(), sbp1, "x % 2 == 0");
1823 break_point_hit_count = 0;
1824 for (int i = 0; i < 10; i++) {
1825 f->Call(env->Global(), 0, NULL);
1827 CHECK_EQ(5, break_point_hit_count);
1829 // Reload the script and get f again checking that the condition survives.
1830 v8::Script::Compile(script, &origin)->Run();
1831 f = v8::Local<v8::Function>::Cast(
1832 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1834 break_point_hit_count = 0;
1835 for (int i = 0; i < 10; i++) {
1836 f->Call(env->Global(), 0, NULL);
1838 CHECK_EQ(5, break_point_hit_count);
1840 v8::Debug::SetDebugEventListener(NULL);
1841 CheckDebuggerUnloaded();
1845 // Test ignore count on script break points.
1846 TEST(ScriptBreakPointIgnoreCount) {
1847 break_point_hit_count = 0;
1848 DebugLocalContext env;
1849 v8::HandleScope scope(env->GetIsolate());
1852 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1854 v8::Local<v8::String> script = v8::String::NewFromUtf8(
1857 " a = 0; // line 1\n"
1860 // Compile the script and get function f.
1861 v8::ScriptOrigin origin =
1862 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
1863 v8::Script::Compile(script, &origin)->Run();
1864 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
1865 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1867 // Set script break point on line 1 (in function f).
1868 int sbp = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 1, 0);
1870 // Call f with different ignores on the script break point.
1871 break_point_hit_count = 0;
1872 ChangeScriptBreakPointIgnoreCountFromJS(env->GetIsolate(), sbp, 1);
1873 f->Call(env->Global(), 0, NULL);
1874 CHECK_EQ(0, break_point_hit_count);
1875 f->Call(env->Global(), 0, NULL);
1876 CHECK_EQ(1, break_point_hit_count);
1878 ChangeScriptBreakPointIgnoreCountFromJS(env->GetIsolate(), sbp, 5);
1879 break_point_hit_count = 0;
1880 for (int i = 0; i < 10; i++) {
1881 f->Call(env->Global(), 0, NULL);
1883 CHECK_EQ(5, break_point_hit_count);
1885 // Reload the script and get f again checking that the ignore survives.
1886 v8::Script::Compile(script, &origin)->Run();
1887 f = v8::Local<v8::Function>::Cast(
1888 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1890 break_point_hit_count = 0;
1891 for (int i = 0; i < 10; i++) {
1892 f->Call(env->Global(), 0, NULL);
1894 CHECK_EQ(5, break_point_hit_count);
1896 v8::Debug::SetDebugEventListener(NULL);
1897 CheckDebuggerUnloaded();
1901 // Test that script break points survive when a script is reloaded.
1902 TEST(ScriptBreakPointReload) {
1903 break_point_hit_count = 0;
1904 DebugLocalContext env;
1905 v8::HandleScope scope(env->GetIsolate());
1908 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1910 v8::Local<v8::Function> f;
1911 v8::Local<v8::String> script = v8::String::NewFromUtf8(
1915 " a = 0; // line 2\n"
1917 " b = 1; // line 4\n"
1921 v8::ScriptOrigin origin_1 =
1922 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "1"));
1923 v8::ScriptOrigin origin_2 =
1924 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "2"));
1926 // Set a script break point before the script is loaded.
1927 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "1", 2, 0);
1929 // Compile the script and get the function.
1930 v8::Script::Compile(script, &origin_1)->Run();
1931 f = v8::Local<v8::Function>::Cast(
1932 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1934 // Call f and check that the script break point is active.
1935 break_point_hit_count = 0;
1936 f->Call(env->Global(), 0, NULL);
1937 CHECK_EQ(1, break_point_hit_count);
1939 // Compile the script again with a different script data and get the
1941 v8::Script::Compile(script, &origin_2)->Run();
1942 f = v8::Local<v8::Function>::Cast(
1943 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1945 // Call f and check that no break points are set.
1946 break_point_hit_count = 0;
1947 f->Call(env->Global(), 0, NULL);
1948 CHECK_EQ(0, break_point_hit_count);
1950 // Compile the script again and get the function.
1951 v8::Script::Compile(script, &origin_1)->Run();
1952 f = v8::Local<v8::Function>::Cast(
1953 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1955 // Call f and check that the script break point is active.
1956 break_point_hit_count = 0;
1957 f->Call(env->Global(), 0, NULL);
1958 CHECK_EQ(1, break_point_hit_count);
1960 v8::Debug::SetDebugEventListener(NULL);
1961 CheckDebuggerUnloaded();
1965 // Test when several scripts has the same script data
1966 TEST(ScriptBreakPointMultiple) {
1967 break_point_hit_count = 0;
1968 DebugLocalContext env;
1969 v8::HandleScope scope(env->GetIsolate());
1972 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
1974 v8::Local<v8::Function> f;
1975 v8::Local<v8::String> script_f =
1976 v8::String::NewFromUtf8(env->GetIsolate(),
1978 " a = 0; // line 1\n"
1981 v8::Local<v8::Function> g;
1982 v8::Local<v8::String> script_g =
1983 v8::String::NewFromUtf8(env->GetIsolate(),
1985 " b = 0; // line 1\n"
1988 v8::ScriptOrigin origin =
1989 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
1991 // Set a script break point before the scripts are loaded.
1992 int sbp = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 1, 0);
1994 // Compile the scripts with same script data and get the functions.
1995 v8::Script::Compile(script_f, &origin)->Run();
1996 f = v8::Local<v8::Function>::Cast(
1997 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
1998 v8::Script::Compile(script_g, &origin)->Run();
1999 g = v8::Local<v8::Function>::Cast(
2000 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
2002 // Call f and g and check that the script break point is active.
2003 break_point_hit_count = 0;
2004 f->Call(env->Global(), 0, NULL);
2005 CHECK_EQ(1, break_point_hit_count);
2006 g->Call(env->Global(), 0, NULL);
2007 CHECK_EQ(2, break_point_hit_count);
2009 // Clear the script break point.
2010 ClearBreakPointFromJS(env->GetIsolate(), sbp);
2012 // Call f and g and check that the script break point is no longer active.
2013 break_point_hit_count = 0;
2014 f->Call(env->Global(), 0, NULL);
2015 CHECK_EQ(0, break_point_hit_count);
2016 g->Call(env->Global(), 0, NULL);
2017 CHECK_EQ(0, break_point_hit_count);
2019 // Set script break point with the scripts loaded.
2020 sbp = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test", 1, 0);
2022 // Call f and g and check that the script break point is active.
2023 break_point_hit_count = 0;
2024 f->Call(env->Global(), 0, NULL);
2025 CHECK_EQ(1, break_point_hit_count);
2026 g->Call(env->Global(), 0, NULL);
2027 CHECK_EQ(2, break_point_hit_count);
2029 v8::Debug::SetDebugEventListener(NULL);
2030 CheckDebuggerUnloaded();
2034 // Test the script origin which has both name and line offset.
2035 TEST(ScriptBreakPointLineOffset) {
2036 break_point_hit_count = 0;
2037 DebugLocalContext env;
2038 v8::HandleScope scope(env->GetIsolate());
2041 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2043 v8::Local<v8::Function> f;
2044 v8::Local<v8::String> script = v8::String::NewFromUtf8(
2047 " a = 0; // line 8 as this script has line offset 7\n"
2048 " b = 0; // line 9 as this script has line offset 7\n"
2051 // Create script origin both name and line offset.
2052 v8::ScriptOrigin origin(
2053 v8::String::NewFromUtf8(env->GetIsolate(), "test.html"),
2054 v8::Integer::New(env->GetIsolate(), 7));
2056 // Set two script break points before the script is loaded.
2058 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 8, 0);
2060 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 9, 0);
2062 // Compile the script and get the function.
2063 v8::Script::Compile(script, &origin)->Run();
2064 f = v8::Local<v8::Function>::Cast(
2065 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
2067 // Call f and check that the script break point is active.
2068 break_point_hit_count = 0;
2069 f->Call(env->Global(), 0, NULL);
2070 CHECK_EQ(2, break_point_hit_count);
2072 // Clear the script break points.
2073 ClearBreakPointFromJS(env->GetIsolate(), sbp1);
2074 ClearBreakPointFromJS(env->GetIsolate(), sbp2);
2076 // Call f and check that no script break points are active.
2077 break_point_hit_count = 0;
2078 f->Call(env->Global(), 0, NULL);
2079 CHECK_EQ(0, break_point_hit_count);
2081 // Set a script break point with the script loaded.
2082 sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 9, 0);
2084 // Call f and check that the script break point is active.
2085 break_point_hit_count = 0;
2086 f->Call(env->Global(), 0, NULL);
2087 CHECK_EQ(1, break_point_hit_count);
2089 v8::Debug::SetDebugEventListener(NULL);
2090 CheckDebuggerUnloaded();
2094 // Test script break points set on lines.
2095 TEST(ScriptBreakPointLine) {
2096 DebugLocalContext env;
2097 v8::HandleScope scope(env->GetIsolate());
2100 // Create a function for checking the function when hitting a break point.
2101 frame_function_name = CompileFunction(&env,
2102 frame_function_name_source,
2103 "frame_function_name");
2105 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2107 v8::Local<v8::Function> f;
2108 v8::Local<v8::Function> g;
2109 v8::Local<v8::String> script =
2110 v8::String::NewFromUtf8(env->GetIsolate(),
2113 " a = 1; // line 2\n"
2115 " a = 2; // line 4\n"
2116 " /* xx */ function g() { // line 5\n"
2117 " function h() { // line 6\n"
2118 " a = 3; // line 7\n"
2121 " a = 4; // line 10\n"
2123 " a=5; // line 12");
2125 // Set a couple script break point before the script is loaded.
2127 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 0, -1);
2129 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 1, -1);
2131 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 5, -1);
2133 // Compile the script and get the function.
2134 break_point_hit_count = 0;
2135 v8::ScriptOrigin origin(
2136 v8::String::NewFromUtf8(env->GetIsolate(), "test.html"),
2137 v8::Integer::New(env->GetIsolate(), 0));
2138 v8::Script::Compile(script, &origin)->Run();
2139 f = v8::Local<v8::Function>::Cast(
2140 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
2141 g = v8::Local<v8::Function>::Cast(
2142 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
2144 // Check that a break point was hit when the script was run.
2145 CHECK_EQ(1, break_point_hit_count);
2146 CHECK_EQ(0, StrLength(last_function_hit));
2148 // Call f and check that the script break point.
2149 f->Call(env->Global(), 0, NULL);
2150 CHECK_EQ(2, break_point_hit_count);
2151 CHECK_EQ(0, strcmp("f", last_function_hit));
2153 // Call g and check that the script break point.
2154 g->Call(env->Global(), 0, NULL);
2155 CHECK_EQ(3, break_point_hit_count);
2156 CHECK_EQ(0, strcmp("g", last_function_hit));
2158 // Clear the script break point on g and set one on h.
2159 ClearBreakPointFromJS(env->GetIsolate(), sbp3);
2161 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 6, -1);
2163 // Call g and check that the script break point in h is hit.
2164 g->Call(env->Global(), 0, NULL);
2165 CHECK_EQ(4, break_point_hit_count);
2166 CHECK_EQ(0, strcmp("h", last_function_hit));
2168 // Clear break points in f and h. Set a new one in the script between
2169 // functions f and g and test that there is no break points in f and g any
2171 ClearBreakPointFromJS(env->GetIsolate(), sbp2);
2172 ClearBreakPointFromJS(env->GetIsolate(), sbp4);
2174 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 4, -1);
2175 break_point_hit_count = 0;
2176 f->Call(env->Global(), 0, NULL);
2177 g->Call(env->Global(), 0, NULL);
2178 CHECK_EQ(0, break_point_hit_count);
2180 // Reload the script which should hit two break points.
2181 break_point_hit_count = 0;
2182 v8::Script::Compile(script, &origin)->Run();
2183 CHECK_EQ(2, break_point_hit_count);
2184 CHECK_EQ(0, StrLength(last_function_hit));
2186 // Set a break point in the code after the last function decleration.
2188 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 12, -1);
2190 // Reload the script which should hit three break points.
2191 break_point_hit_count = 0;
2192 v8::Script::Compile(script, &origin)->Run();
2193 CHECK_EQ(3, break_point_hit_count);
2194 CHECK_EQ(0, StrLength(last_function_hit));
2196 // Clear the last break points, and reload the script which should not hit any
2198 ClearBreakPointFromJS(env->GetIsolate(), sbp1);
2199 ClearBreakPointFromJS(env->GetIsolate(), sbp5);
2200 ClearBreakPointFromJS(env->GetIsolate(), sbp6);
2201 break_point_hit_count = 0;
2202 v8::Script::Compile(script, &origin)->Run();
2203 CHECK_EQ(0, break_point_hit_count);
2205 v8::Debug::SetDebugEventListener(NULL);
2206 CheckDebuggerUnloaded();
2210 // Test top level script break points set on lines.
2211 TEST(ScriptBreakPointLineTopLevel) {
2212 DebugLocalContext env;
2213 v8::HandleScope scope(env->GetIsolate());
2216 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2218 v8::Local<v8::String> script =
2219 v8::String::NewFromUtf8(env->GetIsolate(),
2221 " a = 1; // line 1\n"
2223 "a = 2; // line 3\n");
2224 v8::Local<v8::Function> f;
2226 v8::HandleScope scope(env->GetIsolate());
2227 CompileRunWithOrigin(script, "test.html");
2229 f = v8::Local<v8::Function>::Cast(
2230 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
2232 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
2234 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 3, -1);
2236 // Call f and check that there was no break points.
2237 break_point_hit_count = 0;
2238 f->Call(env->Global(), 0, NULL);
2239 CHECK_EQ(0, break_point_hit_count);
2241 // Recompile and run script and check that break point was hit.
2242 break_point_hit_count = 0;
2243 CompileRunWithOrigin(script, "test.html");
2244 CHECK_EQ(1, break_point_hit_count);
2246 // Call f and check that there are still no break points.
2247 break_point_hit_count = 0;
2248 f = v8::Local<v8::Function>::Cast(
2249 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
2250 CHECK_EQ(0, break_point_hit_count);
2252 v8::Debug::SetDebugEventListener(NULL);
2253 CheckDebuggerUnloaded();
2257 // Test that it is possible to add and remove break points in a top level
2258 // function which has no references but has not been collected yet.
2259 TEST(ScriptBreakPointTopLevelCrash) {
2260 DebugLocalContext env;
2261 v8::HandleScope scope(env->GetIsolate());
2264 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2266 v8::Local<v8::String> script_source =
2267 v8::String::NewFromUtf8(env->GetIsolate(),
2274 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 3, -1);
2276 v8::HandleScope scope(env->GetIsolate());
2277 break_point_hit_count = 0;
2278 CompileRunWithOrigin(script_source, "test.html");
2279 CHECK_EQ(1, break_point_hit_count);
2283 SetScriptBreakPointByNameFromJS(env->GetIsolate(), "test.html", 3, -1);
2284 ClearBreakPointFromJS(env->GetIsolate(), sbp1);
2285 ClearBreakPointFromJS(env->GetIsolate(), sbp2);
2287 v8::Debug::SetDebugEventListener(NULL);
2288 CheckDebuggerUnloaded();
2292 // Test that it is possible to remove the last break point for a function
2293 // inside the break handling of that break point.
2294 TEST(RemoveBreakPointInBreak) {
2295 DebugLocalContext env;
2296 v8::HandleScope scope(env->GetIsolate());
2298 v8::Local<v8::Function> foo =
2299 CompileFunction(&env, "function foo(){a=1;}", "foo");
2300 debug_event_remove_break_point = SetBreakPoint(foo, 0);
2302 // Register the debug event listener pasing the function
2303 v8::Debug::SetDebugEventListener(DebugEventRemoveBreakPoint, foo);
2305 break_point_hit_count = 0;
2306 foo->Call(env->Global(), 0, NULL);
2307 CHECK_EQ(1, break_point_hit_count);
2309 break_point_hit_count = 0;
2310 foo->Call(env->Global(), 0, NULL);
2311 CHECK_EQ(0, break_point_hit_count);
2313 v8::Debug::SetDebugEventListener(NULL);
2314 CheckDebuggerUnloaded();
2318 // Test that the debugger statement causes a break.
2319 TEST(DebuggerStatement) {
2320 break_point_hit_count = 0;
2321 DebugLocalContext env;
2322 v8::HandleScope scope(env->GetIsolate());
2323 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2324 v8::Script::Compile(
2325 v8::String::NewFromUtf8(env->GetIsolate(), "function bar(){debugger}"))
2327 v8::Script::Compile(
2328 v8::String::NewFromUtf8(env->GetIsolate(),
2329 "function foo(){debugger;debugger;}"))->Run();
2330 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
2331 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
2332 v8::Local<v8::Function> bar = v8::Local<v8::Function>::Cast(
2333 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "bar")));
2335 // Run function with debugger statement
2336 bar->Call(env->Global(), 0, NULL);
2337 CHECK_EQ(1, break_point_hit_count);
2339 // Run function with two debugger statement
2340 foo->Call(env->Global(), 0, NULL);
2341 CHECK_EQ(3, break_point_hit_count);
2343 v8::Debug::SetDebugEventListener(NULL);
2344 CheckDebuggerUnloaded();
2348 // Test setting a breakpoint on the debugger statement.
2349 TEST(DebuggerStatementBreakpoint) {
2350 break_point_hit_count = 0;
2351 DebugLocalContext env;
2352 v8::HandleScope scope(env->GetIsolate());
2353 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2354 v8::Script::Compile(
2355 v8::String::NewFromUtf8(env->GetIsolate(), "function foo(){debugger;}"))
2357 v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
2358 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
2360 // The debugger statement triggers breakpint hit
2361 foo->Call(env->Global(), 0, NULL);
2362 CHECK_EQ(1, break_point_hit_count);
2364 int bp = SetBreakPoint(foo, 0);
2366 // Set breakpoint does not duplicate hits
2367 foo->Call(env->Global(), 0, NULL);
2368 CHECK_EQ(2, break_point_hit_count);
2370 ClearBreakPoint(bp);
2371 v8::Debug::SetDebugEventListener(NULL);
2372 CheckDebuggerUnloaded();
2376 // Test that the evaluation of expressions when a break point is hit generates
2377 // the correct results.
2378 TEST(DebugEvaluate) {
2379 DebugLocalContext env;
2380 v8::Isolate* isolate = env->GetIsolate();
2381 v8::HandleScope scope(isolate);
2384 // Create a function for checking the evaluation when hitting a break point.
2385 evaluate_check_function = CompileFunction(&env,
2386 evaluate_check_source,
2388 // Register the debug event listener
2389 v8::Debug::SetDebugEventListener(DebugEventEvaluate);
2391 // Different expected vaules of x and a when in a break point (u = undefined,
2392 // d = Hello, world!).
2393 struct EvaluateCheck checks_uu[] = {
2394 {"x", v8::Undefined(isolate)},
2395 {"a", v8::Undefined(isolate)},
2396 {NULL, v8::Handle<v8::Value>()}
2398 struct EvaluateCheck checks_hu[] = {
2399 {"x", v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!")},
2400 {"a", v8::Undefined(isolate)},
2401 {NULL, v8::Handle<v8::Value>()}
2403 struct EvaluateCheck checks_hh[] = {
2404 {"x", v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!")},
2405 {"a", v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!")},
2406 {NULL, v8::Handle<v8::Value>()}
2409 // Simple test function. The "y=0" is in the function foo to provide a break
2410 // location. For "y=0" the "y" is at position 15 in the foo function
2411 // therefore setting breakpoint at position 15 will break at "y=0" and
2412 // setting it higher will break after.
2413 v8::Local<v8::Function> foo = CompileFunction(&env,
2416 " y=0;" // To ensure break location 1.
2418 " y=0;" // To ensure break location 2.
2421 const int foo_break_position_1 = 15;
2422 const int foo_break_position_2 = 29;
2424 // Arguments with one parameter "Hello, world!"
2425 v8::Handle<v8::Value> argv_foo[1] = {
2426 v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!")};
2428 // Call foo with breakpoint set before a=x and undefined as parameter.
2429 int bp = SetBreakPoint(foo, foo_break_position_1);
2431 foo->Call(env->Global(), 0, NULL);
2433 // Call foo with breakpoint set before a=x and parameter "Hello, world!".
2435 foo->Call(env->Global(), 1, argv_foo);
2437 // Call foo with breakpoint set after a=x and parameter "Hello, world!".
2438 ClearBreakPoint(bp);
2439 SetBreakPoint(foo, foo_break_position_2);
2441 foo->Call(env->Global(), 1, argv_foo);
2443 // Test that overriding Object.prototype will not interfere into evaluation
2445 v8::Local<v8::Function> zoo =
2446 CompileFunction(&env,
2450 " Object.prototype.x = 42;"
2452 " y=0;" // To ensure break location.
2453 " delete Object.prototype.x;"
2457 const int zoo_break_position = 50;
2459 // Arguments with one parameter "Hello, world!"
2460 v8::Handle<v8::Value> argv_zoo[1] = {
2461 v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!")};
2463 // Call zoo with breakpoint set at y=0.
2464 DebugEventCounterClear();
2465 bp = SetBreakPoint(zoo, zoo_break_position);
2467 zoo->Call(env->Global(), 1, argv_zoo);
2468 CHECK_EQ(1, break_point_hit_count);
2469 ClearBreakPoint(bp);
2471 // Test function with an inner function. The "y=0" is in function barbar
2472 // to provide a break location. For "y=0" the "y" is at position 8 in the
2473 // barbar function therefore setting breakpoint at position 8 will break at
2474 // "y=0" and setting it higher will break after.
2475 v8::Local<v8::Function> bar = CompileFunction(&env,
2477 "x = 'Goodbye, world!';"
2478 "function bar(x, b) {"
2480 " function barbar() {"
2481 " y=0; /* To ensure break location.*/"
2484 " debug.Debug.clearAllBreakPoints();"
2489 const int barbar_break_position = 8;
2491 // Call bar setting breakpoint before a=x in barbar and undefined as
2494 v8::Handle<v8::Value> argv_bar_1[2] = {
2495 v8::Undefined(isolate),
2496 v8::Number::New(isolate, barbar_break_position)
2498 bar->Call(env->Global(), 2, argv_bar_1);
2500 // Call bar setting breakpoint before a=x in barbar and parameter
2503 v8::Handle<v8::Value> argv_bar_2[2] = {
2504 v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!"),
2505 v8::Number::New(env->GetIsolate(), barbar_break_position)
2507 bar->Call(env->Global(), 2, argv_bar_2);
2509 // Call bar setting breakpoint after a=x in barbar and parameter
2512 v8::Handle<v8::Value> argv_bar_3[2] = {
2513 v8::String::NewFromUtf8(env->GetIsolate(), "Hello, world!"),
2514 v8::Number::New(env->GetIsolate(), barbar_break_position + 1)
2516 bar->Call(env->Global(), 2, argv_bar_3);
2518 v8::Debug::SetDebugEventListener(NULL);
2519 CheckDebuggerUnloaded();
2523 int debugEventCount = 0;
2524 static void CheckDebugEvent(const v8::Debug::EventDetails& eventDetails) {
2525 if (eventDetails.GetEvent() == v8::Break) ++debugEventCount;
2529 // Test that the conditional breakpoints work event if code generation from
2530 // strings is prohibited in the debugee context.
2531 TEST(ConditionalBreakpointWithCodeGenerationDisallowed) {
2532 DebugLocalContext env;
2533 v8::HandleScope scope(env->GetIsolate());
2536 v8::Debug::SetDebugEventListener(CheckDebugEvent);
2538 v8::Local<v8::Function> foo = CompileFunction(&env,
2539 "function foo(x) {\n"
2540 " var s = 'String value2';\n"
2545 // Set conditional breakpoint with condition 'true'.
2546 CompileRun("debug.Debug.setBreakPoint(foo, 2, 0, 'true')");
2548 debugEventCount = 0;
2549 env->AllowCodeGenerationFromStrings(false);
2550 foo->Call(env->Global(), 0, NULL);
2551 CHECK_EQ(1, debugEventCount);
2553 v8::Debug::SetDebugEventListener(NULL);
2554 CheckDebuggerUnloaded();
2558 bool checkedDebugEvals = true;
2559 v8::Handle<v8::Function> checkGlobalEvalFunction;
2560 v8::Handle<v8::Function> checkFrameEvalFunction;
2561 static void CheckDebugEval(const v8::Debug::EventDetails& eventDetails) {
2562 if (eventDetails.GetEvent() == v8::Break) {
2564 v8::HandleScope handleScope(CcTest::isolate());
2566 v8::Handle<v8::Value> args[] = { eventDetails.GetExecutionState() };
2567 CHECK(checkGlobalEvalFunction->Call(
2568 eventDetails.GetEventContext()->Global(), 1, args)->IsTrue());
2569 CHECK(checkFrameEvalFunction->Call(
2570 eventDetails.GetEventContext()->Global(), 1, args)->IsTrue());
2575 // Test that the evaluation of expressions when a break point is hit generates
2576 // the correct results in case code generation from strings is disallowed in the
2578 TEST(DebugEvaluateWithCodeGenerationDisallowed) {
2579 DebugLocalContext env;
2580 v8::HandleScope scope(env->GetIsolate());
2583 v8::Debug::SetDebugEventListener(CheckDebugEval);
2585 v8::Local<v8::Function> foo = CompileFunction(&env,
2586 "var global = 'Global';\n"
2587 "function foo(x) {\n"
2588 " var local = 'Local';\n"
2590 " return local + x;\n"
2593 checkGlobalEvalFunction = CompileFunction(&env,
2594 "function checkGlobalEval(exec_state) {\n"
2595 " return exec_state.evaluateGlobal('global').value() === 'Global';\n"
2599 checkFrameEvalFunction = CompileFunction(&env,
2600 "function checkFrameEval(exec_state) {\n"
2601 " return exec_state.frame(0).evaluate('local').value() === 'Local';\n"
2604 debugEventCount = 0;
2605 env->AllowCodeGenerationFromStrings(false);
2606 foo->Call(env->Global(), 0, NULL);
2607 CHECK_EQ(1, debugEventCount);
2609 checkGlobalEvalFunction.Clear();
2610 checkFrameEvalFunction.Clear();
2611 v8::Debug::SetDebugEventListener(NULL);
2612 CheckDebuggerUnloaded();
2616 // Copies a C string to a 16-bit string. Does not check for buffer overflow.
2617 // Does not use the V8 engine to convert strings, so it can be used
2618 // in any thread. Returns the length of the string.
2619 int AsciiToUtf16(const char* input_buffer, uint16_t* output_buffer) {
2621 for (i = 0; input_buffer[i] != '\0'; ++i) {
2622 // ASCII does not use chars > 127, but be careful anyway.
2623 output_buffer[i] = static_cast<unsigned char>(input_buffer[i]);
2625 output_buffer[i] = 0;
2630 // Copies a 16-bit string to a C string by dropping the high byte of
2631 // each character. Does not check for buffer overflow.
2632 // Can be used in any thread. Requires string length as an input.
2633 int Utf16ToAscii(const uint16_t* input_buffer, int length,
2634 char* output_buffer, int output_len = -1) {
2635 if (output_len >= 0) {
2636 if (length > output_len - 1) {
2637 length = output_len - 1;
2641 for (int i = 0; i < length; ++i) {
2642 output_buffer[i] = static_cast<char>(input_buffer[i]);
2644 output_buffer[length] = '\0';
2649 // We match parts of the message to get evaluate result int value.
2650 bool GetEvaluateStringResult(char *message, char* buffer, int buffer_size) {
2651 if (strstr(message, "\"command\":\"evaluate\"") == NULL) {
2654 const char* prefix = "\"text\":\"";
2655 char* pos1 = strstr(message, prefix);
2659 pos1 += strlen(prefix);
2660 char* pos2 = strchr(pos1, '"');
2664 Vector<char> buf(buffer, buffer_size);
2665 int len = static_cast<int>(pos2 - pos1);
2666 if (len > buffer_size - 1) {
2667 len = buffer_size - 1;
2669 StrNCpy(buf, pos1, len);
2670 buffer[buffer_size - 1] = '\0';
2675 struct EvaluateResult {
2676 static const int kBufferSize = 20;
2677 char buffer[kBufferSize];
2680 struct DebugProcessDebugMessagesData {
2681 static const int kArraySize = 5;
2683 EvaluateResult results[kArraySize];
2688 EvaluateResult* current() {
2689 return &results[counter % kArraySize];
2696 DebugProcessDebugMessagesData process_debug_messages_data;
2698 static void DebugProcessDebugMessagesHandler(
2699 const v8::Debug::Message& message) {
2700 v8::Handle<v8::String> json = message.GetJSON();
2701 v8::String::Utf8Value utf8(json);
2702 EvaluateResult* array_item = process_debug_messages_data.current();
2704 bool res = GetEvaluateStringResult(*utf8,
2706 EvaluateResult::kBufferSize);
2708 process_debug_messages_data.next();
2713 // Test that the evaluation of expressions works even from ProcessDebugMessages
2714 // i.e. with empty stack.
2715 TEST(DebugEvaluateWithoutStack) {
2716 v8::Debug::SetMessageHandler(DebugProcessDebugMessagesHandler);
2718 DebugLocalContext env;
2719 v8::HandleScope scope(env->GetIsolate());
2721 const char* source =
2722 "var v1 = 'Pinguin';\n function getAnimal() { return 'Capy' + 'bara'; }";
2724 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), source))
2727 v8::Debug::ProcessDebugMessages();
2729 const int kBufferSize = 1000;
2730 uint16_t buffer[kBufferSize];
2732 const char* command_111 = "{\"seq\":111,"
2733 "\"type\":\"request\","
2734 "\"command\":\"evaluate\","
2737 " \"expression\":\"v1\",\"disable_break\":true"
2740 v8::Isolate* isolate = CcTest::isolate();
2741 v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_111, buffer));
2743 const char* command_112 = "{\"seq\":112,"
2744 "\"type\":\"request\","
2745 "\"command\":\"evaluate\","
2748 " \"expression\":\"getAnimal()\",\"disable_break\":true"
2751 v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_112, buffer));
2753 const char* command_113 = "{\"seq\":113,"
2754 "\"type\":\"request\","
2755 "\"command\":\"evaluate\","
2758 " \"expression\":\"239 + 566\",\"disable_break\":true"
2761 v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_113, buffer));
2763 v8::Debug::ProcessDebugMessages();
2765 CHECK_EQ(3, process_debug_messages_data.counter);
2767 CHECK_EQ(strcmp("Pinguin", process_debug_messages_data.results[0].buffer), 0);
2768 CHECK_EQ(strcmp("Capybara", process_debug_messages_data.results[1].buffer),
2770 CHECK_EQ(strcmp("805", process_debug_messages_data.results[2].buffer), 0);
2772 v8::Debug::SetMessageHandler(NULL);
2773 v8::Debug::SetDebugEventListener(NULL);
2774 CheckDebuggerUnloaded();
2778 // Simple test of the stepping mechanism using only store ICs.
2779 TEST(DebugStepLinear) {
2780 DebugLocalContext env;
2781 v8::HandleScope scope(env->GetIsolate());
2783 // Create a function for testing stepping.
2784 v8::Local<v8::Function> foo = CompileFunction(&env,
2785 "function foo(){a=1;b=1;c=1;}",
2788 // Run foo to allow it to get optimized.
2789 CompileRun("a=0; b=0; c=0; foo();");
2791 SetBreakPoint(foo, 3);
2793 // Register a debug event listener which steps and counts.
2794 v8::Debug::SetDebugEventListener(DebugEventStep);
2796 step_action = StepIn;
2797 break_point_hit_count = 0;
2798 foo->Call(env->Global(), 0, NULL);
2800 // With stepping all break locations are hit.
2801 CHECK_EQ(4, break_point_hit_count);
2803 v8::Debug::SetDebugEventListener(NULL);
2804 CheckDebuggerUnloaded();
2806 // Register a debug event listener which just counts.
2807 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
2809 SetBreakPoint(foo, 3);
2810 break_point_hit_count = 0;
2811 foo->Call(env->Global(), 0, NULL);
2813 // Without stepping only active break points are hit.
2814 CHECK_EQ(1, break_point_hit_count);
2816 v8::Debug::SetDebugEventListener(NULL);
2817 CheckDebuggerUnloaded();
2821 // Test of the stepping mechanism for keyed load in a loop.
2822 TEST(DebugStepKeyedLoadLoop) {
2823 DebugLocalContext env;
2824 v8::HandleScope scope(env->GetIsolate());
2826 // Register a debug event listener which steps and counts.
2827 v8::Debug::SetDebugEventListener(DebugEventStep);
2829 // Create a function for testing stepping of keyed load. The statement 'y=1'
2830 // is there to have more than one breakable statement in the loop, TODO(315).
2831 v8::Local<v8::Function> foo = CompileFunction(
2833 "function foo(a) {\n"
2835 " var len = a.length;\n"
2836 " for (var i = 0; i < len; i++) {\n"
2844 // Create array [0,1,2,3,4,5,6,7,8,9]
2845 v8::Local<v8::Array> a = v8::Array::New(env->GetIsolate(), 10);
2846 for (int i = 0; i < 10; i++) {
2847 a->Set(v8::Number::New(env->GetIsolate(), i),
2848 v8::Number::New(env->GetIsolate(), i));
2851 // Call function without any break points to ensure inlining is in place.
2852 const int kArgc = 1;
2853 v8::Handle<v8::Value> args[kArgc] = { a };
2854 foo->Call(env->Global(), kArgc, args);
2856 // Set up break point and step through the function.
2857 SetBreakPoint(foo, 3);
2858 step_action = StepNext;
2859 break_point_hit_count = 0;
2860 foo->Call(env->Global(), kArgc, args);
2862 // With stepping all break locations are hit.
2863 CHECK_EQ(45, break_point_hit_count);
2865 v8::Debug::SetDebugEventListener(NULL);
2866 CheckDebuggerUnloaded();
2870 // Test of the stepping mechanism for keyed store in a loop.
2871 TEST(DebugStepKeyedStoreLoop) {
2872 DebugLocalContext env;
2873 v8::HandleScope scope(env->GetIsolate());
2875 // Register a debug event listener which steps and counts.
2876 v8::Debug::SetDebugEventListener(DebugEventStep);
2878 // Create a function for testing stepping of keyed store. The statement 'y=1'
2879 // is there to have more than one breakable statement in the loop, TODO(315).
2880 v8::Local<v8::Function> foo = CompileFunction(
2882 "function foo(a) {\n"
2883 " var len = a.length;\n"
2884 " for (var i = 0; i < len; i++) {\n"
2892 // Create array [0,1,2,3,4,5,6,7,8,9]
2893 v8::Local<v8::Array> a = v8::Array::New(env->GetIsolate(), 10);
2894 for (int i = 0; i < 10; i++) {
2895 a->Set(v8::Number::New(env->GetIsolate(), i),
2896 v8::Number::New(env->GetIsolate(), i));
2899 // Call function without any break points to ensure inlining is in place.
2900 const int kArgc = 1;
2901 v8::Handle<v8::Value> args[kArgc] = { a };
2902 foo->Call(env->Global(), kArgc, args);
2904 // Set up break point and step through the function.
2905 SetBreakPoint(foo, 3);
2906 step_action = StepNext;
2907 break_point_hit_count = 0;
2908 foo->Call(env->Global(), kArgc, args);
2910 // With stepping all break locations are hit.
2911 CHECK_EQ(44, break_point_hit_count);
2913 v8::Debug::SetDebugEventListener(NULL);
2914 CheckDebuggerUnloaded();
2918 // Test of the stepping mechanism for named load in a loop.
2919 TEST(DebugStepNamedLoadLoop) {
2920 DebugLocalContext env;
2921 v8::HandleScope scope(env->GetIsolate());
2923 // Register a debug event listener which steps and counts.
2924 v8::Debug::SetDebugEventListener(DebugEventStep);
2926 // Create a function for testing stepping of named load.
2927 v8::Local<v8::Function> foo = CompileFunction(
2929 "function foo() {\n"
2932 " for (var i = 0; i < 10; i++) {\n"
2933 " var v = new V(i, i + 1);\n"
2935 " a.length;\n" // Special case: array length.
2936 " s.length;\n" // Special case: string length.
2939 "function V(x, y) {\n"
2945 // Call function without any break points to ensure inlining is in place.
2946 foo->Call(env->Global(), 0, NULL);
2948 // Set up break point and step through the function.
2949 SetBreakPoint(foo, 4);
2950 step_action = StepNext;
2951 break_point_hit_count = 0;
2952 foo->Call(env->Global(), 0, NULL);
2954 // With stepping all break locations are hit.
2955 CHECK_EQ(65, break_point_hit_count);
2957 v8::Debug::SetDebugEventListener(NULL);
2958 CheckDebuggerUnloaded();
2962 static void DoDebugStepNamedStoreLoop(int expected) {
2963 DebugLocalContext env;
2964 v8::HandleScope scope(env->GetIsolate());
2966 // Register a debug event listener which steps and counts.
2967 v8::Debug::SetDebugEventListener(DebugEventStep);
2969 // Create a function for testing stepping of named store.
2970 v8::Local<v8::Function> foo = CompileFunction(
2972 "function foo() {\n"
2974 " for (var i = 0; i < 10; i++) {\n"
2980 // Call function without any break points to ensure inlining is in place.
2981 foo->Call(env->Global(), 0, NULL);
2983 // Set up break point and step through the function.
2984 SetBreakPoint(foo, 3);
2985 step_action = StepNext;
2986 break_point_hit_count = 0;
2987 foo->Call(env->Global(), 0, NULL);
2989 // With stepping all expected break locations are hit.
2990 CHECK_EQ(expected, break_point_hit_count);
2992 v8::Debug::SetDebugEventListener(NULL);
2993 CheckDebuggerUnloaded();
2997 // Test of the stepping mechanism for named load in a loop.
2998 TEST(DebugStepNamedStoreLoop) { DoDebugStepNamedStoreLoop(34); }
3001 // Test the stepping mechanism with different ICs.
3002 TEST(DebugStepLinearMixedICs) {
3003 DebugLocalContext env;
3004 v8::HandleScope scope(env->GetIsolate());
3006 // Register a debug event listener which steps and counts.
3007 v8::Debug::SetDebugEventListener(DebugEventStep);
3009 // Create a function for testing stepping.
3010 v8::Local<v8::Function> foo = CompileFunction(&env,
3011 "function bar() {};"
3014 " var index='name';"
3016 " a=1;b=2;x=a;y[index]=3;x=y[index];bar();}", "foo");
3018 // Run functions to allow them to get optimized.
3019 CompileRun("a=0; b=0; bar(); foo();");
3021 SetBreakPoint(foo, 0);
3023 step_action = StepIn;
3024 break_point_hit_count = 0;
3025 foo->Call(env->Global(), 0, NULL);
3027 // With stepping all break locations are hit.
3028 CHECK_EQ(11, break_point_hit_count);
3030 v8::Debug::SetDebugEventListener(NULL);
3031 CheckDebuggerUnloaded();
3033 // Register a debug event listener which just counts.
3034 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
3036 SetBreakPoint(foo, 0);
3037 break_point_hit_count = 0;
3038 foo->Call(env->Global(), 0, NULL);
3040 // Without stepping only active break points are hit.
3041 CHECK_EQ(1, break_point_hit_count);
3043 v8::Debug::SetDebugEventListener(NULL);
3044 CheckDebuggerUnloaded();
3048 TEST(DebugStepDeclarations) {
3049 DebugLocalContext env;
3050 v8::HandleScope scope(env->GetIsolate());
3052 // Register a debug event listener which steps and counts.
3053 v8::Debug::SetDebugEventListener(DebugEventStep);
3055 // Create a function for testing stepping. Run it to allow it to get
3057 const char* src = "function foo() { "
3061 " var d = Math.floor;"
3062 " var e = b + d(1.2);"
3065 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3067 SetBreakPoint(foo, 0);
3069 // Stepping through the declarations.
3070 step_action = StepIn;
3071 break_point_hit_count = 0;
3072 foo->Call(env->Global(), 0, NULL);
3073 CHECK_EQ(6, break_point_hit_count);
3075 // Get rid of the debug event listener.
3076 v8::Debug::SetDebugEventListener(NULL);
3077 CheckDebuggerUnloaded();
3081 TEST(DebugStepLocals) {
3082 DebugLocalContext env;
3083 v8::HandleScope scope(env->GetIsolate());
3085 // Register a debug event listener which steps and counts.
3086 v8::Debug::SetDebugEventListener(DebugEventStep);
3088 // Create a function for testing stepping. Run it to allow it to get
3090 const char* src = "function foo() { "
3095 " a = Math.floor(b);"
3098 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3100 SetBreakPoint(foo, 0);
3102 // Stepping through the declarations.
3103 step_action = StepIn;
3104 break_point_hit_count = 0;
3105 foo->Call(env->Global(), 0, NULL);
3106 CHECK_EQ(6, break_point_hit_count);
3108 // Get rid of the debug event listener.
3109 v8::Debug::SetDebugEventListener(NULL);
3110 CheckDebuggerUnloaded();
3115 DebugLocalContext env;
3116 v8::Isolate* isolate = env->GetIsolate();
3117 v8::HandleScope scope(isolate);
3119 // Register a debug event listener which steps and counts.
3120 v8::Debug::SetDebugEventListener(DebugEventStep);
3122 // Create a function for testing stepping. Run it to allow it to get
3125 const char* src = "function foo(x) { "
3134 "a=0; b=0; c=0; d=0; foo()";
3135 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3136 SetBreakPoint(foo, 0);
3138 // Stepping through the true part.
3139 step_action = StepIn;
3140 break_point_hit_count = 0;
3141 v8::Handle<v8::Value> argv_true[argc] = { v8::True(isolate) };
3142 foo->Call(env->Global(), argc, argv_true);
3143 CHECK_EQ(4, break_point_hit_count);
3145 // Stepping through the false part.
3146 step_action = StepIn;
3147 break_point_hit_count = 0;
3148 v8::Handle<v8::Value> argv_false[argc] = { v8::False(isolate) };
3149 foo->Call(env->Global(), argc, argv_false);
3150 CHECK_EQ(5, break_point_hit_count);
3152 // Get rid of the debug event listener.
3153 v8::Debug::SetDebugEventListener(NULL);
3154 CheckDebuggerUnloaded();
3158 TEST(DebugStepSwitch) {
3159 DebugLocalContext env;
3160 v8::Isolate* isolate = env->GetIsolate();
3161 v8::HandleScope scope(isolate);
3163 // Register a debug event listener which steps and counts.
3164 v8::Debug::SetDebugEventListener(DebugEventStep);
3166 // Create a function for testing stepping. Run it to allow it to get
3169 const char* src = "function foo(x) { "
3184 "a=0; b=0; c=0; d=0; e=0; f=0; foo()";
3185 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3186 SetBreakPoint(foo, 0);
3188 // One case with fall-through.
3189 step_action = StepIn;
3190 break_point_hit_count = 0;
3191 v8::Handle<v8::Value> argv_1[argc] = { v8::Number::New(isolate, 1) };
3192 foo->Call(env->Global(), argc, argv_1);
3193 CHECK_EQ(6, break_point_hit_count);
3196 step_action = StepIn;
3197 break_point_hit_count = 0;
3198 v8::Handle<v8::Value> argv_2[argc] = { v8::Number::New(isolate, 2) };
3199 foo->Call(env->Global(), argc, argv_2);
3200 CHECK_EQ(5, break_point_hit_count);
3203 step_action = StepIn;
3204 break_point_hit_count = 0;
3205 v8::Handle<v8::Value> argv_3[argc] = { v8::Number::New(isolate, 3) };
3206 foo->Call(env->Global(), argc, argv_3);
3207 CHECK_EQ(7, break_point_hit_count);
3209 // Get rid of the debug event listener.
3210 v8::Debug::SetDebugEventListener(NULL);
3211 CheckDebuggerUnloaded();
3215 TEST(DebugStepWhile) {
3216 DebugLocalContext env;
3217 v8::Isolate* isolate = env->GetIsolate();
3218 v8::HandleScope scope(isolate);
3220 // Register a debug event listener which steps and counts.
3221 v8::Debug::SetDebugEventListener(DebugEventStep);
3223 // Create a function for testing stepping. Run it to allow it to get
3226 const char* src = "function foo(x) { "
3233 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3234 SetBreakPoint(foo, 8); // "var a = 0;"
3236 // Looping 0 times. We still should break at the while-condition once.
3237 step_action = StepIn;
3238 break_point_hit_count = 0;
3239 v8::Handle<v8::Value> argv_0[argc] = { v8::Number::New(isolate, 0) };
3240 foo->Call(env->Global(), argc, argv_0);
3241 CHECK_EQ(3, break_point_hit_count);
3243 // Looping 10 times.
3244 step_action = StepIn;
3245 break_point_hit_count = 0;
3246 v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(isolate, 10) };
3247 foo->Call(env->Global(), argc, argv_10);
3248 CHECK_EQ(23, break_point_hit_count);
3250 // Looping 100 times.
3251 step_action = StepIn;
3252 break_point_hit_count = 0;
3253 v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(isolate, 100) };
3254 foo->Call(env->Global(), argc, argv_100);
3255 CHECK_EQ(203, break_point_hit_count);
3257 // Get rid of the debug event listener.
3258 v8::Debug::SetDebugEventListener(NULL);
3259 CheckDebuggerUnloaded();
3263 TEST(DebugStepDoWhile) {
3264 DebugLocalContext env;
3265 v8::Isolate* isolate = env->GetIsolate();
3266 v8::HandleScope scope(isolate);
3268 // Register a debug event listener which steps and counts.
3269 v8::Debug::SetDebugEventListener(DebugEventStep);
3271 // Create a function for testing stepping. Run it to allow it to get
3274 const char* src = "function foo(x) { "
3281 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3282 SetBreakPoint(foo, 8); // "var a = 0;"
3284 // Looping 10 times.
3285 step_action = StepIn;
3286 break_point_hit_count = 0;
3287 v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(isolate, 10) };
3288 foo->Call(env->Global(), argc, argv_10);
3289 CHECK_EQ(22, break_point_hit_count);
3291 // Looping 100 times.
3292 step_action = StepIn;
3293 break_point_hit_count = 0;
3294 v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(isolate, 100) };
3295 foo->Call(env->Global(), argc, argv_100);
3296 CHECK_EQ(202, break_point_hit_count);
3298 // Get rid of the debug event listener.
3299 v8::Debug::SetDebugEventListener(NULL);
3300 CheckDebuggerUnloaded();
3304 TEST(DebugStepFor) {
3305 DebugLocalContext env;
3306 v8::Isolate* isolate = env->GetIsolate();
3307 v8::HandleScope scope(isolate);
3309 // Register a debug event listener which steps and counts.
3310 v8::Debug::SetDebugEventListener(DebugEventStep);
3312 // Create a function for testing stepping. Run it to allow it to get
3315 const char* src = "function foo(x) { "
3317 " for (i = 0; i < x; i++) {"
3321 "a=0; b=0; i=0; foo()";
3322 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3324 SetBreakPoint(foo, 8); // "a = 1;"
3326 // Looping 10 times.
3327 step_action = StepIn;
3328 break_point_hit_count = 0;
3329 v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(isolate, 10) };
3330 foo->Call(env->Global(), argc, argv_10);
3331 CHECK_EQ(45, break_point_hit_count);
3333 // Looping 100 times.
3334 step_action = StepIn;
3335 break_point_hit_count = 0;
3336 v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(isolate, 100) };
3337 foo->Call(env->Global(), argc, argv_100);
3338 CHECK_EQ(405, break_point_hit_count);
3340 // Get rid of the debug event listener.
3341 v8::Debug::SetDebugEventListener(NULL);
3342 CheckDebuggerUnloaded();
3346 TEST(DebugStepForContinue) {
3347 DebugLocalContext env;
3348 v8::Isolate* isolate = env->GetIsolate();
3349 v8::HandleScope scope(isolate);
3351 // Register a debug event listener which steps and counts.
3352 v8::Debug::SetDebugEventListener(DebugEventStep);
3354 // Create a function for testing stepping. Run it to allow it to get
3357 const char* src = "function foo(x) { "
3361 " for (var i = 0; i < x; i++) {"
3363 " if (a % 2 == 0) continue;"
3370 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3371 v8::Handle<v8::Value> result;
3372 SetBreakPoint(foo, 8); // "var a = 0;"
3374 // Each loop generates 4 or 5 steps depending on whether a is equal.
3376 // Looping 10 times.
3377 step_action = StepIn;
3378 break_point_hit_count = 0;
3379 v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(isolate, 10) };
3380 result = foo->Call(env->Global(), argc, argv_10);
3381 CHECK_EQ(5, result->Int32Value());
3382 CHECK_EQ(62, break_point_hit_count);
3384 // Looping 100 times.
3385 step_action = StepIn;
3386 break_point_hit_count = 0;
3387 v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(isolate, 100) };
3388 result = foo->Call(env->Global(), argc, argv_100);
3389 CHECK_EQ(50, result->Int32Value());
3390 CHECK_EQ(557, break_point_hit_count);
3392 // Get rid of the debug event listener.
3393 v8::Debug::SetDebugEventListener(NULL);
3394 CheckDebuggerUnloaded();
3398 TEST(DebugStepForBreak) {
3399 DebugLocalContext env;
3400 v8::Isolate* isolate = env->GetIsolate();
3401 v8::HandleScope scope(isolate);
3403 // Register a debug event listener which steps and counts.
3404 v8::Debug::SetDebugEventListener(DebugEventStep);
3406 // Create a function for testing stepping. Run it to allow it to get
3409 const char* src = "function foo(x) { "
3413 " for (var i = 0; i < 1000; i++) {"
3415 " if (a == x) break;"
3422 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3423 v8::Handle<v8::Value> result;
3424 SetBreakPoint(foo, 8); // "var a = 0;"
3426 // Each loop generates 5 steps except for the last (when break is executed)
3427 // which only generates 4.
3429 // Looping 10 times.
3430 step_action = StepIn;
3431 break_point_hit_count = 0;
3432 v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(isolate, 10) };
3433 result = foo->Call(env->Global(), argc, argv_10);
3434 CHECK_EQ(9, result->Int32Value());
3435 CHECK_EQ(64, break_point_hit_count);
3437 // Looping 100 times.
3438 step_action = StepIn;
3439 break_point_hit_count = 0;
3440 v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(isolate, 100) };
3441 result = foo->Call(env->Global(), argc, argv_100);
3442 CHECK_EQ(99, result->Int32Value());
3443 CHECK_EQ(604, break_point_hit_count);
3445 // Get rid of the debug event listener.
3446 v8::Debug::SetDebugEventListener(NULL);
3447 CheckDebuggerUnloaded();
3451 TEST(DebugStepForIn) {
3452 DebugLocalContext env;
3453 v8::HandleScope scope(env->GetIsolate());
3455 // Register a debug event listener which steps and counts.
3456 v8::Debug::SetDebugEventListener(DebugEventStep);
3458 // Create a function for testing stepping. Run it to allow it to get
3460 v8::Local<v8::Function> foo;
3461 const char* src_1 = "function foo() { "
3468 foo = CompileFunction(&env, src_1, "foo");
3469 SetBreakPoint(foo, 0); // "var a = ..."
3471 step_action = StepIn;
3472 break_point_hit_count = 0;
3473 foo->Call(env->Global(), 0, NULL);
3474 CHECK_EQ(8, break_point_hit_count);
3476 // Create a function for testing stepping. Run it to allow it to get
3478 const char* src_2 = "function foo() { "
3479 " var a = {a:[1, 2, 3]};"
3485 foo = CompileFunction(&env, src_2, "foo");
3486 SetBreakPoint(foo, 0); // "var a = ..."
3488 step_action = StepIn;
3489 break_point_hit_count = 0;
3490 foo->Call(env->Global(), 0, NULL);
3491 CHECK_EQ(10, break_point_hit_count);
3493 // Get rid of the debug event listener.
3494 v8::Debug::SetDebugEventListener(NULL);
3495 CheckDebuggerUnloaded();
3499 TEST(DebugStepWith) {
3500 DebugLocalContext env;
3501 v8::HandleScope scope(env->GetIsolate());
3503 // Register a debug event listener which steps and counts.
3504 v8::Debug::SetDebugEventListener(DebugEventStep);
3506 // Create a function for testing stepping. Run it to allow it to get
3508 const char* src = "function foo(x) { "
3514 env->Global()->Set(v8::String::NewFromUtf8(env->GetIsolate(), "b"),
3515 v8::Object::New(env->GetIsolate()));
3516 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3517 v8::Handle<v8::Value> result;
3518 SetBreakPoint(foo, 8); // "var a = {};"
3520 step_action = StepIn;
3521 break_point_hit_count = 0;
3522 foo->Call(env->Global(), 0, NULL);
3523 CHECK_EQ(4, break_point_hit_count);
3525 // Get rid of the debug event listener.
3526 v8::Debug::SetDebugEventListener(NULL);
3527 CheckDebuggerUnloaded();
3531 TEST(DebugConditional) {
3532 DebugLocalContext env;
3533 v8::Isolate* isolate = env->GetIsolate();
3534 v8::HandleScope scope(isolate);
3536 // Register a debug event listener which steps and counts.
3537 v8::Debug::SetDebugEventListener(DebugEventStep);
3539 // Create a function for testing stepping. Run it to allow it to get
3541 const char* src = "function foo(x) { "
3547 v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
3548 SetBreakPoint(foo, 0); // "var a;"
3550 step_action = StepIn;
3551 break_point_hit_count = 0;
3552 foo->Call(env->Global(), 0, NULL);
3553 CHECK_EQ(5, break_point_hit_count);
3555 step_action = StepIn;
3556 break_point_hit_count = 0;
3558 v8::Handle<v8::Value> argv_true[argc] = { v8::True(isolate) };
3559 foo->Call(env->Global(), argc, argv_true);
3560 CHECK_EQ(5, break_point_hit_count);
3562 // Get rid of the debug event listener.
3563 v8::Debug::SetDebugEventListener(NULL);
3564 CheckDebuggerUnloaded();
3568 TEST(StepInOutSimple) {
3569 DebugLocalContext env;
3570 v8::HandleScope scope(env->GetIsolate());
3572 // Create a function for checking the function when hitting a break point.
3573 frame_function_name = CompileFunction(&env,
3574 frame_function_name_source,
3575 "frame_function_name");
3577 // Register a debug event listener which steps and counts.
3578 v8::Debug::SetDebugEventListener(DebugEventStepSequence);
3580 // Create a function for testing stepping. Run it to allow it to get
3582 const char* src = "function a() {b();c();}; "
3583 "function b() {c();}; "
3586 v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
3587 SetBreakPoint(a, 0);
3589 // Step through invocation of a with step in.
3590 step_action = StepIn;
3591 break_point_hit_count = 0;
3592 expected_step_sequence = "abcbaca";
3593 a->Call(env->Global(), 0, NULL);
3594 CHECK_EQ(StrLength(expected_step_sequence),
3595 break_point_hit_count);
3597 // Step through invocation of a with step next.
3598 step_action = StepNext;
3599 break_point_hit_count = 0;
3600 expected_step_sequence = "aaa";
3601 a->Call(env->Global(), 0, NULL);
3602 CHECK_EQ(StrLength(expected_step_sequence),
3603 break_point_hit_count);
3605 // Step through invocation of a with step out.
3606 step_action = StepOut;
3607 break_point_hit_count = 0;
3608 expected_step_sequence = "a";
3609 a->Call(env->Global(), 0, NULL);
3610 CHECK_EQ(StrLength(expected_step_sequence),
3611 break_point_hit_count);
3613 // Get rid of the debug event listener.
3614 v8::Debug::SetDebugEventListener(NULL);
3615 CheckDebuggerUnloaded();
3619 TEST(StepInOutTree) {
3620 DebugLocalContext env;
3621 v8::HandleScope scope(env->GetIsolate());
3623 // Create a function for checking the function when hitting a break point.
3624 frame_function_name = CompileFunction(&env,
3625 frame_function_name_source,
3626 "frame_function_name");
3628 // Register a debug event listener which steps and counts.
3629 v8::Debug::SetDebugEventListener(DebugEventStepSequence);
3631 // Create a function for testing stepping. Run it to allow it to get
3633 const char* src = "function a() {b(c(d()),d());c(d());d()}; "
3634 "function b(x,y) {c();}; "
3635 "function c(x) {}; "
3637 "a(); b(); c(); d()";
3638 v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
3639 SetBreakPoint(a, 0);
3641 // Step through invocation of a with step in.
3642 step_action = StepIn;
3643 break_point_hit_count = 0;
3644 expected_step_sequence = "adacadabcbadacada";
3645 a->Call(env->Global(), 0, NULL);
3646 CHECK_EQ(StrLength(expected_step_sequence),
3647 break_point_hit_count);
3649 // Step through invocation of a with step next.
3650 step_action = StepNext;
3651 break_point_hit_count = 0;
3652 expected_step_sequence = "aaaa";
3653 a->Call(env->Global(), 0, NULL);
3654 CHECK_EQ(StrLength(expected_step_sequence),
3655 break_point_hit_count);
3657 // Step through invocation of a with step out.
3658 step_action = StepOut;
3659 break_point_hit_count = 0;
3660 expected_step_sequence = "a";
3661 a->Call(env->Global(), 0, NULL);
3662 CHECK_EQ(StrLength(expected_step_sequence),
3663 break_point_hit_count);
3665 // Get rid of the debug event listener.
3666 v8::Debug::SetDebugEventListener(NULL);
3667 CheckDebuggerUnloaded(true);
3671 TEST(StepInOutBranch) {
3672 DebugLocalContext env;
3673 v8::HandleScope scope(env->GetIsolate());
3675 // Create a function for checking the function when hitting a break point.
3676 frame_function_name = CompileFunction(&env,
3677 frame_function_name_source,
3678 "frame_function_name");
3680 // Register a debug event listener which steps and counts.
3681 v8::Debug::SetDebugEventListener(DebugEventStepSequence);
3683 // Create a function for testing stepping. Run it to allow it to get
3685 const char* src = "function a() {b(false);c();}; "
3686 "function b(x) {if(x){c();};}; "
3689 v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
3690 SetBreakPoint(a, 0);
3692 // Step through invocation of a.
3693 step_action = StepIn;
3694 break_point_hit_count = 0;
3695 expected_step_sequence = "abbaca";
3696 a->Call(env->Global(), 0, NULL);
3697 CHECK_EQ(StrLength(expected_step_sequence),
3698 break_point_hit_count);
3700 // Get rid of the debug event listener.
3701 v8::Debug::SetDebugEventListener(NULL);
3702 CheckDebuggerUnloaded();
3706 // Test that step in does not step into native functions.
3707 TEST(DebugStepNatives) {
3708 DebugLocalContext env;
3709 v8::HandleScope scope(env->GetIsolate());
3711 // Create a function for testing stepping.
3712 v8::Local<v8::Function> foo = CompileFunction(
3714 "function foo(){debugger;Math.sin(1);}",
3717 // Register a debug event listener which steps and counts.
3718 v8::Debug::SetDebugEventListener(DebugEventStep);
3720 step_action = StepIn;
3721 break_point_hit_count = 0;
3722 foo->Call(env->Global(), 0, NULL);
3724 // With stepping all break locations are hit.
3725 CHECK_EQ(3, break_point_hit_count);
3727 v8::Debug::SetDebugEventListener(NULL);
3728 CheckDebuggerUnloaded();
3730 // Register a debug event listener which just counts.
3731 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
3733 break_point_hit_count = 0;
3734 foo->Call(env->Global(), 0, NULL);
3736 // Without stepping only active break points are hit.
3737 CHECK_EQ(1, break_point_hit_count);
3739 v8::Debug::SetDebugEventListener(NULL);
3740 CheckDebuggerUnloaded();
3744 // Test that step in works with function.apply.
3745 TEST(DebugStepFunctionApply) {
3746 DebugLocalContext env;
3747 v8::HandleScope scope(env->GetIsolate());
3749 // Create a function for testing stepping.
3750 v8::Local<v8::Function> foo = CompileFunction(
3752 "function bar(x, y, z) { if (x == 1) { a = y; b = z; } }"
3753 "function foo(){ debugger; bar.apply(this, [1,2,3]); }",
3756 // Register a debug event listener which steps and counts.
3757 v8::Debug::SetDebugEventListener(DebugEventStep);
3759 step_action = StepIn;
3760 break_point_hit_count = 0;
3761 foo->Call(env->Global(), 0, NULL);
3763 // With stepping all break locations are hit.
3764 CHECK_EQ(7, break_point_hit_count);
3766 v8::Debug::SetDebugEventListener(NULL);
3767 CheckDebuggerUnloaded();
3769 // Register a debug event listener which just counts.
3770 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
3772 break_point_hit_count = 0;
3773 foo->Call(env->Global(), 0, NULL);
3775 // Without stepping only the debugger statement is hit.
3776 CHECK_EQ(1, break_point_hit_count);
3778 v8::Debug::SetDebugEventListener(NULL);
3779 CheckDebuggerUnloaded();
3783 // Test that step in works with function.call.
3784 TEST(DebugStepFunctionCall) {
3785 DebugLocalContext env;
3786 v8::Isolate* isolate = env->GetIsolate();
3787 v8::HandleScope scope(isolate);
3789 // Create a function for testing stepping.
3790 v8::Local<v8::Function> foo = CompileFunction(
3792 "function bar(x, y, z) { if (x == 1) { a = y; b = z; } }"
3793 "function foo(a){ debugger;"
3795 " bar.call(this, 1, 2, 3);"
3797 " bar.call(this, 0);"
3802 // Register a debug event listener which steps and counts.
3803 v8::Debug::SetDebugEventListener(DebugEventStep);
3804 step_action = StepIn;
3806 // Check stepping where the if condition in bar is false.
3807 break_point_hit_count = 0;
3808 foo->Call(env->Global(), 0, NULL);
3809 CHECK_EQ(6, break_point_hit_count);
3811 // Check stepping where the if condition in bar is true.
3812 break_point_hit_count = 0;
3814 v8::Handle<v8::Value> argv[argc] = { v8::True(isolate) };
3815 foo->Call(env->Global(), argc, argv);
3816 CHECK_EQ(8, break_point_hit_count);
3818 v8::Debug::SetDebugEventListener(NULL);
3819 CheckDebuggerUnloaded();
3821 // Register a debug event listener which just counts.
3822 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
3824 break_point_hit_count = 0;
3825 foo->Call(env->Global(), 0, NULL);
3827 // Without stepping only the debugger statement is hit.
3828 CHECK_EQ(1, break_point_hit_count);
3830 v8::Debug::SetDebugEventListener(NULL);
3831 CheckDebuggerUnloaded();
3835 // Tests that breakpoint will be hit if it's set in script.
3836 TEST(PauseInScript) {
3837 DebugLocalContext env;
3838 v8::HandleScope scope(env->GetIsolate());
3841 // Register a debug event listener which counts.
3842 v8::Debug::SetDebugEventListener(DebugEventCounter);
3844 // Create a script that returns a function.
3845 const char* src = "(function (evt) {})";
3846 const char* script_name = "StepInHandlerTest";
3848 // Set breakpoint in the script.
3849 SetScriptBreakPointByNameFromJS(env->GetIsolate(), script_name, 0, -1);
3850 break_point_hit_count = 0;
3852 v8::ScriptOrigin origin(
3853 v8::String::NewFromUtf8(env->GetIsolate(), script_name),
3854 v8::Integer::New(env->GetIsolate(), 0));
3855 v8::Handle<v8::Script> script = v8::Script::Compile(
3856 v8::String::NewFromUtf8(env->GetIsolate(), src), &origin);
3857 v8::Local<v8::Value> r = script->Run();
3859 CHECK(r->IsFunction());
3860 CHECK_EQ(1, break_point_hit_count);
3862 // Get rid of the debug event listener.
3863 v8::Debug::SetDebugEventListener(NULL);
3864 CheckDebuggerUnloaded();
3868 // Test break on exceptions. For each exception break combination the number
3869 // of debug event exception callbacks and message callbacks are collected. The
3870 // number of debug event exception callbacks are used to check that the
3871 // debugger is called correctly and the number of message callbacks is used to
3872 // check that uncaught exceptions are still returned even if there is a break
3874 TEST(BreakOnException) {
3875 DebugLocalContext env;
3876 v8::HandleScope scope(env->GetIsolate());
3879 // Create functions for testing break on exception.
3880 CompileFunction(&env, "function throws(){throw 1;}", "throws");
3881 v8::Local<v8::Function> caught =
3882 CompileFunction(&env,
3883 "function caught(){try {throws();} catch(e) {};}",
3885 v8::Local<v8::Function> notCaught =
3886 CompileFunction(&env, "function notCaught(){throws();}", "notCaught");
3888 v8::V8::AddMessageListener(MessageCallbackCount);
3889 v8::Debug::SetDebugEventListener(DebugEventCounter);
3891 // Initial state should be no break on exceptions.
3892 DebugEventCounterClear();
3893 MessageCallbackCountClear();
3894 caught->Call(env->Global(), 0, NULL);
3895 CHECK_EQ(0, exception_hit_count);
3896 CHECK_EQ(0, uncaught_exception_hit_count);
3897 CHECK_EQ(0, message_callback_count);
3898 notCaught->Call(env->Global(), 0, NULL);
3899 CHECK_EQ(0, exception_hit_count);
3900 CHECK_EQ(0, uncaught_exception_hit_count);
3901 CHECK_EQ(1, message_callback_count);
3903 // No break on exception
3904 DebugEventCounterClear();
3905 MessageCallbackCountClear();
3906 ChangeBreakOnException(false, false);
3907 caught->Call(env->Global(), 0, NULL);
3908 CHECK_EQ(0, exception_hit_count);
3909 CHECK_EQ(0, uncaught_exception_hit_count);
3910 CHECK_EQ(0, message_callback_count);
3911 notCaught->Call(env->Global(), 0, NULL);
3912 CHECK_EQ(0, exception_hit_count);
3913 CHECK_EQ(0, uncaught_exception_hit_count);
3914 CHECK_EQ(1, message_callback_count);
3916 // Break on uncaught exception
3917 DebugEventCounterClear();
3918 MessageCallbackCountClear();
3919 ChangeBreakOnException(false, true);
3920 caught->Call(env->Global(), 0, NULL);
3921 CHECK_EQ(0, exception_hit_count);
3922 CHECK_EQ(0, uncaught_exception_hit_count);
3923 CHECK_EQ(0, message_callback_count);
3924 notCaught->Call(env->Global(), 0, NULL);
3925 CHECK_EQ(1, exception_hit_count);
3926 CHECK_EQ(1, uncaught_exception_hit_count);
3927 CHECK_EQ(1, message_callback_count);
3929 // Break on exception and uncaught exception
3930 DebugEventCounterClear();
3931 MessageCallbackCountClear();
3932 ChangeBreakOnException(true, true);
3933 caught->Call(env->Global(), 0, NULL);
3934 CHECK_EQ(1, exception_hit_count);
3935 CHECK_EQ(0, uncaught_exception_hit_count);
3936 CHECK_EQ(0, message_callback_count);
3937 notCaught->Call(env->Global(), 0, NULL);
3938 CHECK_EQ(2, exception_hit_count);
3939 CHECK_EQ(1, uncaught_exception_hit_count);
3940 CHECK_EQ(1, message_callback_count);
3942 // Break on exception
3943 DebugEventCounterClear();
3944 MessageCallbackCountClear();
3945 ChangeBreakOnException(true, false);
3946 caught->Call(env->Global(), 0, NULL);
3947 CHECK_EQ(1, exception_hit_count);
3948 CHECK_EQ(0, uncaught_exception_hit_count);
3949 CHECK_EQ(0, message_callback_count);
3950 notCaught->Call(env->Global(), 0, NULL);
3951 CHECK_EQ(2, exception_hit_count);
3952 CHECK_EQ(1, uncaught_exception_hit_count);
3953 CHECK_EQ(1, message_callback_count);
3955 // No break on exception using JavaScript
3956 DebugEventCounterClear();
3957 MessageCallbackCountClear();
3958 ChangeBreakOnExceptionFromJS(env->GetIsolate(), false, false);
3959 caught->Call(env->Global(), 0, NULL);
3960 CHECK_EQ(0, exception_hit_count);
3961 CHECK_EQ(0, uncaught_exception_hit_count);
3962 CHECK_EQ(0, message_callback_count);
3963 notCaught->Call(env->Global(), 0, NULL);
3964 CHECK_EQ(0, exception_hit_count);
3965 CHECK_EQ(0, uncaught_exception_hit_count);
3966 CHECK_EQ(1, message_callback_count);
3968 // Break on uncaught exception using JavaScript
3969 DebugEventCounterClear();
3970 MessageCallbackCountClear();
3971 ChangeBreakOnExceptionFromJS(env->GetIsolate(), false, true);
3972 caught->Call(env->Global(), 0, NULL);
3973 CHECK_EQ(0, exception_hit_count);
3974 CHECK_EQ(0, uncaught_exception_hit_count);
3975 CHECK_EQ(0, message_callback_count);
3976 notCaught->Call(env->Global(), 0, NULL);
3977 CHECK_EQ(1, exception_hit_count);
3978 CHECK_EQ(1, uncaught_exception_hit_count);
3979 CHECK_EQ(1, message_callback_count);
3981 // Break on exception and uncaught exception using JavaScript
3982 DebugEventCounterClear();
3983 MessageCallbackCountClear();
3984 ChangeBreakOnExceptionFromJS(env->GetIsolate(), true, true);
3985 caught->Call(env->Global(), 0, NULL);
3986 CHECK_EQ(1, exception_hit_count);
3987 CHECK_EQ(0, message_callback_count);
3988 CHECK_EQ(0, uncaught_exception_hit_count);
3989 notCaught->Call(env->Global(), 0, NULL);
3990 CHECK_EQ(2, exception_hit_count);
3991 CHECK_EQ(1, uncaught_exception_hit_count);
3992 CHECK_EQ(1, message_callback_count);
3994 // Break on exception using JavaScript
3995 DebugEventCounterClear();
3996 MessageCallbackCountClear();
3997 ChangeBreakOnExceptionFromJS(env->GetIsolate(), true, false);
3998 caught->Call(env->Global(), 0, NULL);
3999 CHECK_EQ(1, exception_hit_count);
4000 CHECK_EQ(0, uncaught_exception_hit_count);
4001 CHECK_EQ(0, message_callback_count);
4002 notCaught->Call(env->Global(), 0, NULL);
4003 CHECK_EQ(2, exception_hit_count);
4004 CHECK_EQ(1, uncaught_exception_hit_count);
4005 CHECK_EQ(1, message_callback_count);
4007 v8::Debug::SetDebugEventListener(NULL);
4008 CheckDebuggerUnloaded();
4009 v8::V8::RemoveMessageListeners(MessageCallbackCount);
4013 TEST(EvalJSInDebugEventListenerOnNativeReThrownException) {
4014 DebugLocalContext env;
4015 v8::HandleScope scope(env->GetIsolate());
4018 // Create functions for testing break on exception.
4019 v8::Local<v8::Function> noThrowJS = CompileFunction(
4020 &env, "function noThrowJS(){var a=[1]; a.push(2); return a.length;}",
4023 debug_event_listener_callback = noThrowJS;
4024 debug_event_listener_callback_result = 2;
4026 v8::V8::AddMessageListener(MessageCallbackCount);
4027 v8::Debug::SetDebugEventListener(DebugEventCounter);
4028 // Break on uncaught exception
4029 ChangeBreakOnException(false, true);
4030 DebugEventCounterClear();
4031 MessageCallbackCountClear();
4033 // ReThrow native error
4035 v8::TryCatch tryCatch;
4036 env->GetIsolate()->ThrowException(v8::Exception::TypeError(
4037 v8::String::NewFromUtf8(env->GetIsolate(), "Type error")));
4038 CHECK(tryCatch.HasCaught());
4041 CHECK_EQ(1, exception_hit_count);
4042 CHECK_EQ(1, uncaught_exception_hit_count);
4043 CHECK_EQ(0, message_callback_count); // FIXME: Should it be 1 ?
4044 CHECK(!debug_event_listener_callback.IsEmpty());
4046 debug_event_listener_callback.Clear();
4050 // Test break on exception from compiler errors. When compiling using
4051 // v8::Script::Compile there is no JavaScript stack whereas when compiling using
4052 // eval there are JavaScript frames.
4053 TEST(BreakOnCompileException) {
4054 DebugLocalContext env;
4055 v8::HandleScope scope(env->GetIsolate());
4057 // For this test, we want to break on uncaught exceptions:
4058 ChangeBreakOnException(false, true);
4060 // Create a function for checking the function when hitting a break point.
4061 frame_count = CompileFunction(&env, frame_count_source, "frame_count");
4063 v8::V8::AddMessageListener(MessageCallbackCount);
4064 v8::Debug::SetDebugEventListener(DebugEventCounter);
4066 DebugEventCounterClear();
4067 MessageCallbackCountClear();
4069 // Check initial state.
4070 CHECK_EQ(0, exception_hit_count);
4071 CHECK_EQ(0, uncaught_exception_hit_count);
4072 CHECK_EQ(0, message_callback_count);
4073 CHECK_EQ(-1, last_js_stack_height);
4075 // Throws SyntaxError: Unexpected end of input
4076 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "+++"));
4077 CHECK_EQ(1, exception_hit_count);
4078 CHECK_EQ(1, uncaught_exception_hit_count);
4079 CHECK_EQ(1, message_callback_count);
4080 CHECK_EQ(0, last_js_stack_height); // No JavaScript stack.
4082 // Throws SyntaxError: Unexpected identifier
4083 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "x x"));
4084 CHECK_EQ(2, exception_hit_count);
4085 CHECK_EQ(2, uncaught_exception_hit_count);
4086 CHECK_EQ(2, message_callback_count);
4087 CHECK_EQ(0, last_js_stack_height); // No JavaScript stack.
4089 // Throws SyntaxError: Unexpected end of input
4090 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "eval('+++')"))
4092 CHECK_EQ(3, exception_hit_count);
4093 CHECK_EQ(3, uncaught_exception_hit_count);
4094 CHECK_EQ(3, message_callback_count);
4095 CHECK_EQ(1, last_js_stack_height);
4097 // Throws SyntaxError: Unexpected identifier
4098 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "eval('x x')"))
4100 CHECK_EQ(4, exception_hit_count);
4101 CHECK_EQ(4, uncaught_exception_hit_count);
4102 CHECK_EQ(4, message_callback_count);
4103 CHECK_EQ(1, last_js_stack_height);
4107 TEST(StepWithException) {
4108 DebugLocalContext env;
4109 v8::HandleScope scope(env->GetIsolate());
4111 // For this test, we want to break on uncaught exceptions:
4112 ChangeBreakOnException(false, true);
4114 // Create a function for checking the function when hitting a break point.
4115 frame_function_name = CompileFunction(&env,
4116 frame_function_name_source,
4117 "frame_function_name");
4119 // Register a debug event listener which steps and counts.
4120 v8::Debug::SetDebugEventListener(DebugEventStepSequence);
4122 // Create functions for testing stepping.
4123 const char* src = "function a() { n(); }; "
4124 "function b() { c(); }; "
4125 "function c() { n(); }; "
4126 "function d() { x = 1; try { e(); } catch(x) { x = 2; } }; "
4127 "function e() { n(); }; "
4128 "function f() { x = 1; try { g(); } catch(x) { x = 2; } }; "
4129 "function g() { h(); }; "
4130 "function h() { x = 1; throw 1; }; ";
4132 // Step through invocation of a.
4133 v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
4134 SetBreakPoint(a, 0);
4135 step_action = StepIn;
4136 break_point_hit_count = 0;
4137 expected_step_sequence = "aa";
4138 a->Call(env->Global(), 0, NULL);
4139 CHECK_EQ(StrLength(expected_step_sequence),
4140 break_point_hit_count);
4142 // Step through invocation of b + c.
4143 v8::Local<v8::Function> b = CompileFunction(&env, src, "b");
4144 SetBreakPoint(b, 0);
4145 step_action = StepIn;
4146 break_point_hit_count = 0;
4147 expected_step_sequence = "bcc";
4148 b->Call(env->Global(), 0, NULL);
4149 CHECK_EQ(StrLength(expected_step_sequence),
4150 break_point_hit_count);
4151 // Step through invocation of d + e.
4152 v8::Local<v8::Function> d = CompileFunction(&env, src, "d");
4153 SetBreakPoint(d, 0);
4154 ChangeBreakOnException(false, true);
4155 step_action = StepIn;
4156 break_point_hit_count = 0;
4157 expected_step_sequence = "ddedd";
4158 d->Call(env->Global(), 0, NULL);
4159 CHECK_EQ(StrLength(expected_step_sequence),
4160 break_point_hit_count);
4162 // Step through invocation of d + e now with break on caught exceptions.
4163 ChangeBreakOnException(true, true);
4164 step_action = StepIn;
4165 break_point_hit_count = 0;
4166 expected_step_sequence = "ddeedd";
4167 d->Call(env->Global(), 0, NULL);
4168 CHECK_EQ(StrLength(expected_step_sequence),
4169 break_point_hit_count);
4171 // Step through invocation of f + g + h.
4172 v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
4173 SetBreakPoint(f, 0);
4174 ChangeBreakOnException(false, true);
4175 step_action = StepIn;
4176 break_point_hit_count = 0;
4177 expected_step_sequence = "ffghhff";
4178 f->Call(env->Global(), 0, NULL);
4179 CHECK_EQ(StrLength(expected_step_sequence),
4180 break_point_hit_count);
4182 // Step through invocation of f + g + h now with break on caught exceptions.
4183 ChangeBreakOnException(true, true);
4184 step_action = StepIn;
4185 break_point_hit_count = 0;
4186 expected_step_sequence = "ffghhhff";
4187 f->Call(env->Global(), 0, NULL);
4188 CHECK_EQ(StrLength(expected_step_sequence),
4189 break_point_hit_count);
4191 // Get rid of the debug event listener.
4192 v8::Debug::SetDebugEventListener(NULL);
4193 CheckDebuggerUnloaded();
4198 i::FLAG_stress_compaction = false;
4200 i::FLAG_verify_heap = true;
4202 DebugLocalContext env;
4203 v8::Isolate* isolate = env->GetIsolate();
4204 v8::HandleScope scope(isolate);
4206 // Register a debug event listener which sets the break flag and counts.
4207 v8::Debug::SetDebugEventListener(DebugEventBreak);
4209 // Create a function for testing stepping.
4210 const char* src = "function f0() {}"
4211 "function f1(x1) {}"
4212 "function f2(x1,x2) {}"
4213 "function f3(x1,x2,x3) {}";
4214 v8::Local<v8::Function> f0 = CompileFunction(&env, src, "f0");
4215 v8::Local<v8::Function> f1 = CompileFunction(&env, src, "f1");
4216 v8::Local<v8::Function> f2 = CompileFunction(&env, src, "f2");
4217 v8::Local<v8::Function> f3 = CompileFunction(&env, src, "f3");
4219 // Call the function to make sure it is compiled.
4220 v8::Handle<v8::Value> argv[] = { v8::Number::New(isolate, 1),
4221 v8::Number::New(isolate, 1),
4222 v8::Number::New(isolate, 1),
4223 v8::Number::New(isolate, 1) };
4225 // Call all functions to make sure that they are compiled.
4226 f0->Call(env->Global(), 0, NULL);
4227 f1->Call(env->Global(), 0, NULL);
4228 f2->Call(env->Global(), 0, NULL);
4229 f3->Call(env->Global(), 0, NULL);
4231 // Set the debug break flag.
4232 v8::Debug::DebugBreak(env->GetIsolate());
4233 CHECK(v8::Debug::CheckDebugBreak(env->GetIsolate()));
4235 // Call all functions with different argument count.
4236 break_point_hit_count = 0;
4237 for (unsigned int i = 0; i < arraysize(argv); i++) {
4238 f0->Call(env->Global(), i, argv);
4239 f1->Call(env->Global(), i, argv);
4240 f2->Call(env->Global(), i, argv);
4241 f3->Call(env->Global(), i, argv);
4244 // One break for each function called.
4245 CHECK(4 * arraysize(argv) == break_point_hit_count);
4247 // Get rid of the debug event listener.
4248 v8::Debug::SetDebugEventListener(NULL);
4249 CheckDebuggerUnloaded();
4253 // Test to ensure that JavaScript code keeps running while the debug break
4254 // through the stack limit flag is set but breaks are disabled.
4255 TEST(DisableBreak) {
4256 DebugLocalContext env;
4257 v8::HandleScope scope(env->GetIsolate());
4259 // Register a debug event listener which sets the break flag and counts.
4260 v8::Debug::SetDebugEventListener(DebugEventCounter);
4262 // Create a function for testing stepping.
4263 const char* src = "function f() {g()};function g(){i=0; while(i<10){i++}}";
4264 v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
4266 // Set, test and cancel debug break.
4267 v8::Debug::DebugBreak(env->GetIsolate());
4268 CHECK(v8::Debug::CheckDebugBreak(env->GetIsolate()));
4269 v8::Debug::CancelDebugBreak(env->GetIsolate());
4270 CHECK(!v8::Debug::CheckDebugBreak(env->GetIsolate()));
4272 // Set the debug break flag.
4273 v8::Debug::DebugBreak(env->GetIsolate());
4275 // Call all functions with different argument count.
4276 break_point_hit_count = 0;
4277 f->Call(env->Global(), 0, NULL);
4278 CHECK_EQ(1, break_point_hit_count);
4281 v8::Debug::DebugBreak(env->GetIsolate());
4282 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(env->GetIsolate());
4283 v8::internal::DisableBreak disable_break(isolate->debug(), true);
4284 f->Call(env->Global(), 0, NULL);
4285 CHECK_EQ(1, break_point_hit_count);
4288 f->Call(env->Global(), 0, NULL);
4289 CHECK_EQ(2, break_point_hit_count);
4291 // Get rid of the debug event listener.
4292 v8::Debug::SetDebugEventListener(NULL);
4293 CheckDebuggerUnloaded();
4296 static const char* kSimpleExtensionSource =
4301 // http://crbug.com/28933
4302 // Test that debug break is disabled when bootstrapper is active.
4303 TEST(NoBreakWhenBootstrapping) {
4304 v8::Isolate* isolate = CcTest::isolate();
4305 v8::HandleScope scope(isolate);
4307 // Register a debug event listener which sets the break flag and counts.
4308 v8::Debug::SetDebugEventListener(DebugEventCounter);
4310 // Set the debug break flag.
4311 v8::Debug::DebugBreak(isolate);
4312 break_point_hit_count = 0;
4314 // Create a context with an extension to make sure that some JavaScript
4315 // code is executed during bootstrapping.
4316 v8::RegisterExtension(new v8::Extension("simpletest",
4317 kSimpleExtensionSource));
4318 const char* extension_names[] = { "simpletest" };
4319 v8::ExtensionConfiguration extensions(1, extension_names);
4320 v8::HandleScope handle_scope(isolate);
4321 v8::Context::New(isolate, &extensions);
4323 // Check that no DebugBreak events occured during the context creation.
4324 CHECK_EQ(0, break_point_hit_count);
4326 // Get rid of the debug event listener.
4327 v8::Debug::SetDebugEventListener(NULL);
4328 CheckDebuggerUnloaded();
4332 static void NamedEnum(const v8::PropertyCallbackInfo<v8::Array>& info) {
4333 v8::Handle<v8::Array> result = v8::Array::New(info.GetIsolate(), 3);
4334 result->Set(v8::Integer::New(info.GetIsolate(), 0),
4335 v8::String::NewFromUtf8(info.GetIsolate(), "a"));
4336 result->Set(v8::Integer::New(info.GetIsolate(), 1),
4337 v8::String::NewFromUtf8(info.GetIsolate(), "b"));
4338 result->Set(v8::Integer::New(info.GetIsolate(), 2),
4339 v8::String::NewFromUtf8(info.GetIsolate(), "c"));
4340 info.GetReturnValue().Set(result);
4344 static void IndexedEnum(const v8::PropertyCallbackInfo<v8::Array>& info) {
4345 v8::Isolate* isolate = info.GetIsolate();
4346 v8::Handle<v8::Array> result = v8::Array::New(isolate, 2);
4347 result->Set(v8::Integer::New(isolate, 0), v8::Number::New(isolate, 1));
4348 result->Set(v8::Integer::New(isolate, 1), v8::Number::New(isolate, 10));
4349 info.GetReturnValue().Set(result);
4353 static void NamedGetter(v8::Local<v8::Name> name,
4354 const v8::PropertyCallbackInfo<v8::Value>& info) {
4355 if (name->IsSymbol()) return;
4356 v8::String::Utf8Value n(v8::Local<v8::String>::Cast(name));
4357 if (strcmp(*n, "a") == 0) {
4358 info.GetReturnValue().Set(v8::String::NewFromUtf8(info.GetIsolate(), "AA"));
4360 } else if (strcmp(*n, "b") == 0) {
4361 info.GetReturnValue().Set(v8::String::NewFromUtf8(info.GetIsolate(), "BB"));
4363 } else if (strcmp(*n, "c") == 0) {
4364 info.GetReturnValue().Set(v8::String::NewFromUtf8(info.GetIsolate(), "CC"));
4367 info.GetReturnValue().SetUndefined();
4370 info.GetReturnValue().Set(name);
4374 static void IndexedGetter(uint32_t index,
4375 const v8::PropertyCallbackInfo<v8::Value>& info) {
4376 info.GetReturnValue().Set(static_cast<double>(index + 1));
4380 TEST(InterceptorPropertyMirror) {
4381 // Create a V8 environment with debug access.
4382 DebugLocalContext env;
4383 v8::Isolate* isolate = env->GetIsolate();
4384 v8::HandleScope scope(isolate);
4387 // Create object with named interceptor.
4388 v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate);
4389 named->SetHandler(v8::NamedPropertyHandlerConfiguration(
4390 NamedGetter, NULL, NULL, NULL, NamedEnum));
4392 v8::String::NewFromUtf8(isolate, "intercepted_named"),
4393 named->NewInstance());
4395 // Create object with indexed interceptor.
4396 v8::Handle<v8::ObjectTemplate> indexed = v8::ObjectTemplate::New(isolate);
4397 indexed->SetHandler(v8::IndexedPropertyHandlerConfiguration(
4398 IndexedGetter, NULL, NULL, NULL, IndexedEnum));
4400 v8::String::NewFromUtf8(isolate, "intercepted_indexed"),
4401 indexed->NewInstance());
4403 // Create object with both named and indexed interceptor.
4404 v8::Handle<v8::ObjectTemplate> both = v8::ObjectTemplate::New(isolate);
4405 both->SetHandler(v8::NamedPropertyHandlerConfiguration(
4406 NamedGetter, NULL, NULL, NULL, NamedEnum));
4407 both->SetHandler(v8::IndexedPropertyHandlerConfiguration(
4408 IndexedGetter, NULL, NULL, NULL, IndexedEnum));
4410 v8::String::NewFromUtf8(isolate, "intercepted_both"),
4411 both->NewInstance());
4413 // Get mirrors for the three objects with interceptor.
4415 "var named_mirror = debug.MakeMirror(intercepted_named);"
4416 "var indexed_mirror = debug.MakeMirror(intercepted_indexed);"
4417 "var both_mirror = debug.MakeMirror(intercepted_both)");
4419 "named_mirror instanceof debug.ObjectMirror")->BooleanValue());
4421 "indexed_mirror instanceof debug.ObjectMirror")->BooleanValue());
4423 "both_mirror instanceof debug.ObjectMirror")->BooleanValue());
4425 // Get the property names from the interceptors
4427 "named_names = named_mirror.propertyNames();"
4428 "indexed_names = indexed_mirror.propertyNames();"
4429 "both_names = both_mirror.propertyNames()");
4430 CHECK_EQ(3, CompileRun("named_names.length")->Int32Value());
4431 CHECK_EQ(2, CompileRun("indexed_names.length")->Int32Value());
4432 CHECK_EQ(5, CompileRun("both_names.length")->Int32Value());
4434 // Check the expected number of properties.
4436 source = "named_mirror.properties().length";
4437 CHECK_EQ(3, CompileRun(source)->Int32Value());
4439 source = "indexed_mirror.properties().length";
4440 CHECK_EQ(2, CompileRun(source)->Int32Value());
4442 source = "both_mirror.properties().length";
4443 CHECK_EQ(5, CompileRun(source)->Int32Value());
4445 // 1 is PropertyKind.Named;
4446 source = "both_mirror.properties(1).length";
4447 CHECK_EQ(3, CompileRun(source)->Int32Value());
4449 // 2 is PropertyKind.Indexed;
4450 source = "both_mirror.properties(2).length";
4451 CHECK_EQ(2, CompileRun(source)->Int32Value());
4453 // 3 is PropertyKind.Named | PropertyKind.Indexed;
4454 source = "both_mirror.properties(3).length";
4455 CHECK_EQ(5, CompileRun(source)->Int32Value());
4457 // Get the interceptor properties for the object with only named interceptor.
4458 CompileRun("var named_values = named_mirror.properties()");
4460 // Check that the properties are interceptor properties.
4461 for (int i = 0; i < 3; i++) {
4462 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
4464 "named_values[%d] instanceof debug.PropertyMirror", i);
4465 CHECK(CompileRun(buffer.start())->BooleanValue());
4467 SNPrintF(buffer, "named_values[%d].isNative()", i);
4468 CHECK(CompileRun(buffer.start())->BooleanValue());
4471 // Get the interceptor properties for the object with only indexed
4473 CompileRun("var indexed_values = indexed_mirror.properties()");
4475 // Check that the properties are interceptor properties.
4476 for (int i = 0; i < 2; i++) {
4477 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
4479 "indexed_values[%d] instanceof debug.PropertyMirror", i);
4480 CHECK(CompileRun(buffer.start())->BooleanValue());
4483 // Get the interceptor properties for the object with both types of
4485 CompileRun("var both_values = both_mirror.properties()");
4487 // Check that the properties are interceptor properties.
4488 for (int i = 0; i < 5; i++) {
4489 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
4490 SNPrintF(buffer, "both_values[%d] instanceof debug.PropertyMirror", i);
4491 CHECK(CompileRun(buffer.start())->BooleanValue());
4494 // Check the property names.
4495 source = "both_values[0].name() == 'a'";
4496 CHECK(CompileRun(source)->BooleanValue());
4498 source = "both_values[1].name() == 'b'";
4499 CHECK(CompileRun(source)->BooleanValue());
4501 source = "both_values[2].name() == 'c'";
4502 CHECK(CompileRun(source)->BooleanValue());
4504 source = "both_values[3].name() == 1";
4505 CHECK(CompileRun(source)->BooleanValue());
4507 source = "both_values[4].name() == 10";
4508 CHECK(CompileRun(source)->BooleanValue());
4512 TEST(HiddenPrototypePropertyMirror) {
4513 // Create a V8 environment with debug access.
4514 DebugLocalContext env;
4515 v8::Isolate* isolate = env->GetIsolate();
4516 v8::HandleScope scope(isolate);
4519 v8::Handle<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New(isolate);
4520 t0->InstanceTemplate()->Set(v8::String::NewFromUtf8(isolate, "x"),
4521 v8::Number::New(isolate, 0));
4522 v8::Handle<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(isolate);
4523 t1->SetHiddenPrototype(true);
4524 t1->InstanceTemplate()->Set(v8::String::NewFromUtf8(isolate, "y"),
4525 v8::Number::New(isolate, 1));
4526 v8::Handle<v8::FunctionTemplate> t2 = v8::FunctionTemplate::New(isolate);
4527 t2->SetHiddenPrototype(true);
4528 t2->InstanceTemplate()->Set(v8::String::NewFromUtf8(isolate, "z"),
4529 v8::Number::New(isolate, 2));
4530 v8::Handle<v8::FunctionTemplate> t3 = v8::FunctionTemplate::New(isolate);
4531 t3->InstanceTemplate()->Set(v8::String::NewFromUtf8(isolate, "u"),
4532 v8::Number::New(isolate, 3));
4534 // Create object and set them on the global object.
4535 v8::Handle<v8::Object> o0 = t0->GetFunction()->NewInstance();
4536 env->Global()->Set(v8::String::NewFromUtf8(isolate, "o0"), o0);
4537 v8::Handle<v8::Object> o1 = t1->GetFunction()->NewInstance();
4538 env->Global()->Set(v8::String::NewFromUtf8(isolate, "o1"), o1);
4539 v8::Handle<v8::Object> o2 = t2->GetFunction()->NewInstance();
4540 env->Global()->Set(v8::String::NewFromUtf8(isolate, "o2"), o2);
4541 v8::Handle<v8::Object> o3 = t3->GetFunction()->NewInstance();
4542 env->Global()->Set(v8::String::NewFromUtf8(isolate, "o3"), o3);
4544 // Get mirrors for the four objects.
4546 "var o0_mirror = debug.MakeMirror(o0);"
4547 "var o1_mirror = debug.MakeMirror(o1);"
4548 "var o2_mirror = debug.MakeMirror(o2);"
4549 "var o3_mirror = debug.MakeMirror(o3)");
4550 CHECK(CompileRun("o0_mirror instanceof debug.ObjectMirror")->BooleanValue());
4551 CHECK(CompileRun("o1_mirror instanceof debug.ObjectMirror")->BooleanValue());
4552 CHECK(CompileRun("o2_mirror instanceof debug.ObjectMirror")->BooleanValue());
4553 CHECK(CompileRun("o3_mirror instanceof debug.ObjectMirror")->BooleanValue());
4555 // Check that each object has one property.
4556 CHECK_EQ(1, CompileRun(
4557 "o0_mirror.propertyNames().length")->Int32Value());
4558 CHECK_EQ(1, CompileRun(
4559 "o1_mirror.propertyNames().length")->Int32Value());
4560 CHECK_EQ(1, CompileRun(
4561 "o2_mirror.propertyNames().length")->Int32Value());
4562 CHECK_EQ(1, CompileRun(
4563 "o3_mirror.propertyNames().length")->Int32Value());
4565 // Set o1 as prototype for o0. o1 has the hidden prototype flag so all
4566 // properties on o1 should be seen on o0.
4567 o0->Set(v8::String::NewFromUtf8(isolate, "__proto__"), o1);
4568 CHECK_EQ(2, CompileRun(
4569 "o0_mirror.propertyNames().length")->Int32Value());
4570 CHECK_EQ(0, CompileRun(
4571 "o0_mirror.property('x').value().value()")->Int32Value());
4572 CHECK_EQ(1, CompileRun(
4573 "o0_mirror.property('y').value().value()")->Int32Value());
4575 // Set o2 as prototype for o0 (it will end up after o1 as o1 has the hidden
4576 // prototype flag. o2 also has the hidden prototype flag so all properties
4577 // on o2 should be seen on o0 as well as properties on o1.
4578 o0->Set(v8::String::NewFromUtf8(isolate, "__proto__"), o2);
4579 CHECK_EQ(3, CompileRun(
4580 "o0_mirror.propertyNames().length")->Int32Value());
4581 CHECK_EQ(0, CompileRun(
4582 "o0_mirror.property('x').value().value()")->Int32Value());
4583 CHECK_EQ(1, CompileRun(
4584 "o0_mirror.property('y').value().value()")->Int32Value());
4585 CHECK_EQ(2, CompileRun(
4586 "o0_mirror.property('z').value().value()")->Int32Value());
4588 // Set o3 as prototype for o0 (it will end up after o1 and o2 as both o1 and
4589 // o2 has the hidden prototype flag. o3 does not have the hidden prototype
4590 // flag so properties on o3 should not be seen on o0 whereas the properties
4591 // from o1 and o2 should still be seen on o0.
4592 // Final prototype chain: o0 -> o1 -> o2 -> o3
4593 // Hidden prototypes: ^^ ^^
4594 o0->Set(v8::String::NewFromUtf8(isolate, "__proto__"), o3);
4595 CHECK_EQ(3, CompileRun(
4596 "o0_mirror.propertyNames().length")->Int32Value());
4597 CHECK_EQ(1, CompileRun(
4598 "o3_mirror.propertyNames().length")->Int32Value());
4599 CHECK_EQ(0, CompileRun(
4600 "o0_mirror.property('x').value().value()")->Int32Value());
4601 CHECK_EQ(1, CompileRun(
4602 "o0_mirror.property('y').value().value()")->Int32Value());
4603 CHECK_EQ(2, CompileRun(
4604 "o0_mirror.property('z').value().value()")->Int32Value());
4605 CHECK(CompileRun("o0_mirror.property('u').isUndefined()")->BooleanValue());
4607 // The prototype (__proto__) for o0 should be o3 as o1 and o2 are hidden.
4608 CHECK(CompileRun("o0_mirror.protoObject() == o3_mirror")->BooleanValue());
4612 static void ProtperyXNativeGetter(
4613 v8::Local<v8::String> property,
4614 const v8::PropertyCallbackInfo<v8::Value>& info) {
4615 info.GetReturnValue().Set(10);
4619 TEST(NativeGetterPropertyMirror) {
4620 // Create a V8 environment with debug access.
4621 DebugLocalContext env;
4622 v8::Isolate* isolate = env->GetIsolate();
4623 v8::HandleScope scope(isolate);
4626 v8::Handle<v8::String> name = v8::String::NewFromUtf8(isolate, "x");
4627 // Create object with named accessor.
4628 v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate);
4629 named->SetAccessor(name, &ProtperyXNativeGetter, NULL,
4630 v8::Handle<v8::Value>(), v8::DEFAULT, v8::None);
4632 // Create object with named property getter.
4633 env->Global()->Set(v8::String::NewFromUtf8(isolate, "instance"),
4634 named->NewInstance());
4635 CHECK_EQ(10, CompileRun("instance.x")->Int32Value());
4637 // Get mirror for the object with property getter.
4638 CompileRun("var instance_mirror = debug.MakeMirror(instance);");
4640 "instance_mirror instanceof debug.ObjectMirror")->BooleanValue());
4642 CompileRun("var named_names = instance_mirror.propertyNames();");
4643 CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
4644 CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue());
4646 "instance_mirror.property('x').value().isNumber()")->BooleanValue());
4648 "instance_mirror.property('x').value().value() == 10")->BooleanValue());
4652 static void ProtperyXNativeGetterThrowingError(
4653 v8::Local<v8::String> property,
4654 const v8::PropertyCallbackInfo<v8::Value>& info) {
4655 CompileRun("throw new Error('Error message');");
4659 TEST(NativeGetterThrowingErrorPropertyMirror) {
4660 // Create a V8 environment with debug access.
4661 DebugLocalContext env;
4662 v8::Isolate* isolate = env->GetIsolate();
4663 v8::HandleScope scope(isolate);
4666 v8::Handle<v8::String> name = v8::String::NewFromUtf8(isolate, "x");
4667 // Create object with named accessor.
4668 v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate);
4669 named->SetAccessor(name, &ProtperyXNativeGetterThrowingError, NULL,
4670 v8::Handle<v8::Value>(), v8::DEFAULT, v8::None);
4672 // Create object with named property getter.
4673 env->Global()->Set(v8::String::NewFromUtf8(isolate, "instance"),
4674 named->NewInstance());
4676 // Get mirror for the object with property getter.
4677 CompileRun("var instance_mirror = debug.MakeMirror(instance);");
4679 "instance_mirror instanceof debug.ObjectMirror")->BooleanValue());
4680 CompileRun("named_names = instance_mirror.propertyNames();");
4681 CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
4682 CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue());
4684 "instance_mirror.property('x').value().isError()")->BooleanValue());
4686 // Check that the message is that passed to the Error constructor.
4688 "instance_mirror.property('x').value().message() == 'Error message'")->
4693 // Test that hidden properties object is not returned as an unnamed property
4694 // among regular properties.
4695 // See http://crbug.com/26491
4696 TEST(NoHiddenProperties) {
4697 // Create a V8 environment with debug access.
4698 DebugLocalContext env;
4699 v8::Isolate* isolate = env->GetIsolate();
4700 v8::HandleScope scope(isolate);
4703 // Create an object in the global scope.
4704 const char* source = "var obj = {a: 1};";
4705 v8::Script::Compile(v8::String::NewFromUtf8(isolate, source))
4707 v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(
4708 env->Global()->Get(v8::String::NewFromUtf8(isolate, "obj")));
4709 // Set a hidden property on the object.
4710 obj->SetHiddenValue(
4711 v8::String::NewFromUtf8(isolate, "v8::test-debug::a"),
4712 v8::Int32::New(isolate, 11));
4714 // Get mirror for the object with property getter.
4715 CompileRun("var obj_mirror = debug.MakeMirror(obj);");
4717 "obj_mirror instanceof debug.ObjectMirror")->BooleanValue());
4718 CompileRun("var named_names = obj_mirror.propertyNames();");
4719 // There should be exactly one property. But there is also an unnamed
4720 // property whose value is hidden properties dictionary. The latter
4721 // property should not be in the list of reguar properties.
4722 CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
4723 CHECK(CompileRun("named_names[0] == 'a'")->BooleanValue());
4725 "obj_mirror.property('a').value().value() == 1")->BooleanValue());
4727 // Object created by t0 will become hidden prototype of object 'obj'.
4728 v8::Handle<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New(isolate);
4729 t0->InstanceTemplate()->Set(v8::String::NewFromUtf8(isolate, "b"),
4730 v8::Number::New(isolate, 2));
4731 t0->SetHiddenPrototype(true);
4732 v8::Handle<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(isolate);
4733 t1->InstanceTemplate()->Set(v8::String::NewFromUtf8(isolate, "c"),
4734 v8::Number::New(isolate, 3));
4736 // Create proto objects, add hidden properties to them and set them on
4737 // the global object.
4738 v8::Handle<v8::Object> protoObj = t0->GetFunction()->NewInstance();
4739 protoObj->SetHiddenValue(
4740 v8::String::NewFromUtf8(isolate, "v8::test-debug::b"),
4741 v8::Int32::New(isolate, 12));
4742 env->Global()->Set(v8::String::NewFromUtf8(isolate, "protoObj"),
4744 v8::Handle<v8::Object> grandProtoObj = t1->GetFunction()->NewInstance();
4745 grandProtoObj->SetHiddenValue(
4746 v8::String::NewFromUtf8(isolate, "v8::test-debug::c"),
4747 v8::Int32::New(isolate, 13));
4749 v8::String::NewFromUtf8(isolate, "grandProtoObj"),
4752 // Setting prototypes: obj->protoObj->grandProtoObj
4753 protoObj->Set(v8::String::NewFromUtf8(isolate, "__proto__"),
4755 obj->Set(v8::String::NewFromUtf8(isolate, "__proto__"), protoObj);
4757 // Get mirror for the object with property getter.
4758 CompileRun("var obj_mirror = debug.MakeMirror(obj);");
4760 "obj_mirror instanceof debug.ObjectMirror")->BooleanValue());
4761 CompileRun("var named_names = obj_mirror.propertyNames();");
4762 // There should be exactly two properties - one from the object itself and
4763 // another from its hidden prototype.
4764 CHECK_EQ(2, CompileRun("named_names.length")->Int32Value());
4765 CHECK(CompileRun("named_names.sort(); named_names[0] == 'a' &&"
4766 "named_names[1] == 'b'")->BooleanValue());
4768 "obj_mirror.property('a').value().value() == 1")->BooleanValue());
4770 "obj_mirror.property('b').value().value() == 2")->BooleanValue());
4774 // Multithreaded tests of JSON debugger protocol
4778 // Provides synchronization between N threads, where N is a template parameter.
4779 // The Wait() call blocks a thread until it is called for the Nth time, then all
4780 // calls return. Each ThreadBarrier object can only be used once.
4782 class ThreadBarrier FINAL {
4784 ThreadBarrier() : num_blocked_(0) {}
4787 LockGuard<Mutex> lock_guard(&mutex_);
4788 if (num_blocked_ != 0) {
4789 CHECK_EQ(N, num_blocked_);
4794 LockGuard<Mutex> lock_guard(&mutex_);
4795 CHECK_LT(num_blocked_, N);
4797 if (N == num_blocked_) {
4798 // Signal and unblock all waiting threads.
4800 printf("BARRIER\n\n");
4802 } else { // Wait for the semaphore.
4803 while (num_blocked_ < N) {
4807 CHECK_EQ(N, num_blocked_);
4811 ConditionVariable cv_;
4815 STATIC_ASSERT(N > 0);
4817 DISALLOW_COPY_AND_ASSIGN(ThreadBarrier);
4821 // A set containing enough barriers and semaphores for any of the tests.
4824 Barriers() : semaphore_1(0), semaphore_2(0) {}
4825 ThreadBarrier<2> barrier_1;
4826 ThreadBarrier<2> barrier_2;
4827 ThreadBarrier<2> barrier_3;
4828 ThreadBarrier<2> barrier_4;
4829 ThreadBarrier<2> barrier_5;
4830 v8::base::Semaphore semaphore_1;
4831 v8::base::Semaphore semaphore_2;
4835 // We match parts of the message to decide if it is a break message.
4836 bool IsBreakEventMessage(char *message) {
4837 const char* type_event = "\"type\":\"event\"";
4838 const char* event_break = "\"event\":\"break\"";
4839 // Does the message contain both type:event and event:break?
4840 return strstr(message, type_event) != NULL &&
4841 strstr(message, event_break) != NULL;
4845 // We match parts of the message to decide if it is a exception message.
4846 bool IsExceptionEventMessage(char *message) {
4847 const char* type_event = "\"type\":\"event\"";
4848 const char* event_exception = "\"event\":\"exception\"";
4849 // Does the message contain both type:event and event:exception?
4850 return strstr(message, type_event) != NULL &&
4851 strstr(message, event_exception) != NULL;
4855 // We match the message wether it is an evaluate response message.
4856 bool IsEvaluateResponseMessage(char* message) {
4857 const char* type_response = "\"type\":\"response\"";
4858 const char* command_evaluate = "\"command\":\"evaluate\"";
4859 // Does the message contain both type:response and command:evaluate?
4860 return strstr(message, type_response) != NULL &&
4861 strstr(message, command_evaluate) != NULL;
4865 static int StringToInt(const char* s) {
4866 return atoi(s); // NOLINT
4870 // We match parts of the message to get evaluate result int value.
4871 int GetEvaluateIntResult(char *message) {
4872 const char* value = "\"value\":";
4873 char* pos = strstr(message, value);
4878 res = StringToInt(pos + strlen(value));
4883 // We match parts of the message to get hit breakpoint id.
4884 int GetBreakpointIdFromBreakEventMessage(char *message) {
4885 const char* breakpoints = "\"breakpoints\":[";
4886 char* pos = strstr(message, breakpoints);
4891 res = StringToInt(pos + strlen(breakpoints));
4896 // We match parts of the message to get total frames number.
4897 int GetTotalFramesInt(char *message) {
4898 const char* prefix = "\"totalFrames\":";
4899 char* pos = strstr(message, prefix);
4903 pos += strlen(prefix);
4904 int res = StringToInt(pos);
4909 // We match parts of the message to get source line.
4910 int GetSourceLineFromBreakEventMessage(char *message) {
4911 const char* source_line = "\"sourceLine\":";
4912 char* pos = strstr(message, source_line);
4917 res = StringToInt(pos + strlen(source_line));
4922 /* Test MessageQueues */
4923 /* Tests the message queues that hold debugger commands and
4924 * response messages to the debugger. Fills queues and makes
4927 Barriers message_queue_barriers;
4929 // This is the debugger thread, that executes no v8 calls except
4930 // placing JSON debugger commands in the queue.
4931 class MessageQueueDebuggerThread : public v8::base::Thread {
4933 MessageQueueDebuggerThread()
4934 : Thread(Options("MessageQueueDebuggerThread")) {}
4939 static void MessageHandler(const v8::Debug::Message& message) {
4940 v8::Handle<v8::String> json = message.GetJSON();
4941 v8::String::Utf8Value utf8(json);
4942 if (IsBreakEventMessage(*utf8)) {
4943 // Lets test script wait until break occurs to send commands.
4944 // Signals when a break is reported.
4945 message_queue_barriers.semaphore_2.Signal();
4948 // Allow message handler to block on a semaphore, to test queueing of
4949 // messages while blocked.
4950 message_queue_barriers.semaphore_1.Wait();
4954 void MessageQueueDebuggerThread::Run() {
4955 const int kBufferSize = 1000;
4956 uint16_t buffer_1[kBufferSize];
4957 uint16_t buffer_2[kBufferSize];
4958 const char* command_1 =
4960 "\"type\":\"request\","
4961 "\"command\":\"evaluate\","
4962 "\"arguments\":{\"expression\":\"1+2\"}}";
4963 const char* command_2 =
4965 "\"type\":\"request\","
4966 "\"command\":\"evaluate\","
4967 "\"arguments\":{\"expression\":\"1+a\"}}";
4968 const char* command_3 =
4970 "\"type\":\"request\","
4971 "\"command\":\"evaluate\","
4972 "\"arguments\":{\"expression\":\"c.d * b\"}}";
4973 const char* command_continue =
4975 "\"type\":\"request\","
4976 "\"command\":\"continue\"}";
4977 const char* command_single_step =
4979 "\"type\":\"request\","
4980 "\"command\":\"continue\","
4981 "\"arguments\":{\"stepaction\":\"next\"}}";
4983 /* Interleaved sequence of actions by the two threads:*/
4984 // Main thread compiles and runs source_1
4985 message_queue_barriers.semaphore_1.Signal();
4986 message_queue_barriers.barrier_1.Wait();
4987 // Post 6 commands, filling the command queue and making it expand.
4988 // These calls return immediately, but the commands stay on the queue
4989 // until the execution of source_2.
4990 // Note: AsciiToUtf16 executes before SendCommand, so command is copied
4991 // to buffer before buffer is sent to SendCommand.
4992 v8::Isolate* isolate = CcTest::isolate();
4993 v8::Debug::SendCommand(isolate, buffer_1, AsciiToUtf16(command_1, buffer_1));
4994 v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_2, buffer_2));
4995 v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2));
4996 v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2));
4997 v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2));
4998 message_queue_barriers.barrier_2.Wait();
4999 // Main thread compiles and runs source_2.
5000 // Queued commands are executed at the start of compilation of source_2(
5001 // beforeCompile event).
5002 // Free the message handler to process all the messages from the queue. 7
5003 // messages are expected: 2 afterCompile events and 5 responses.
5004 // All the commands added so far will fail to execute as long as call stack
5005 // is empty on beforeCompile event.
5006 for (int i = 0; i < 6 ; ++i) {
5007 message_queue_barriers.semaphore_1.Signal();
5009 message_queue_barriers.barrier_3.Wait();
5010 // Main thread compiles and runs source_3.
5011 // Don't stop in the afterCompile handler.
5012 message_queue_barriers.semaphore_1.Signal();
5013 // source_3 includes a debugger statement, which causes a break event.
5014 // Wait on break event from hitting "debugger" statement
5015 message_queue_barriers.semaphore_2.Wait();
5016 // These should execute after the "debugger" statement in source_2
5017 v8::Debug::SendCommand(isolate, buffer_1, AsciiToUtf16(command_1, buffer_1));
5018 v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_2, buffer_2));
5019 v8::Debug::SendCommand(isolate, buffer_2, AsciiToUtf16(command_3, buffer_2));
5020 v8::Debug::SendCommand(
5021 isolate, buffer_2, AsciiToUtf16(command_single_step, buffer_2));
5022 // Run after 2 break events, 4 responses.
5023 for (int i = 0; i < 6 ; ++i) {
5024 message_queue_barriers.semaphore_1.Signal();
5026 // Wait on break event after a single step executes.
5027 message_queue_barriers.semaphore_2.Wait();
5028 v8::Debug::SendCommand(isolate, buffer_1, AsciiToUtf16(command_2, buffer_1));
5029 v8::Debug::SendCommand(
5030 isolate, buffer_2, AsciiToUtf16(command_continue, buffer_2));
5031 // Run after 2 responses.
5032 for (int i = 0; i < 2 ; ++i) {
5033 message_queue_barriers.semaphore_1.Signal();
5035 // Main thread continues running source_3 to end, waits for this thread.
5039 // This thread runs the v8 engine.
5040 TEST(MessageQueues) {
5041 MessageQueueDebuggerThread message_queue_debugger_thread;
5043 // Create a V8 environment
5044 DebugLocalContext env;
5045 v8::HandleScope scope(env->GetIsolate());
5046 v8::Debug::SetMessageHandler(MessageHandler);
5047 message_queue_debugger_thread.Start();
5049 const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;";
5050 const char* source_2 = "e = 17;";
5051 const char* source_3 = "a = 4; debugger; a = 5; a = 6; a = 7;";
5053 // See MessageQueueDebuggerThread::Run for interleaved sequence of
5054 // API calls and events in the two threads.
5055 CompileRun(source_1);
5056 message_queue_barriers.barrier_1.Wait();
5057 message_queue_barriers.barrier_2.Wait();
5058 CompileRun(source_2);
5059 message_queue_barriers.barrier_3.Wait();
5060 CompileRun(source_3);
5061 message_queue_debugger_thread.Join();
5066 class TestClientData : public v8::Debug::ClientData {
5069 constructor_call_counter++;
5071 virtual ~TestClientData() {
5072 destructor_call_counter++;
5075 static void ResetCounters() {
5076 constructor_call_counter = 0;
5077 destructor_call_counter = 0;
5080 static int constructor_call_counter;
5081 static int destructor_call_counter;
5084 int TestClientData::constructor_call_counter = 0;
5085 int TestClientData::destructor_call_counter = 0;
5088 // Tests that MessageQueue doesn't destroy client data when expands and
5089 // does destroy when it dies.
5090 TEST(MessageQueueExpandAndDestroy) {
5091 TestClientData::ResetCounters();
5092 { // Create a scope for the queue.
5093 CommandMessageQueue queue(1);
5094 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5095 new TestClientData()));
5096 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5097 new TestClientData()));
5098 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5099 new TestClientData()));
5100 CHECK_EQ(0, TestClientData::destructor_call_counter);
5101 queue.Get().Dispose();
5102 CHECK_EQ(1, TestClientData::destructor_call_counter);
5103 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5104 new TestClientData()));
5105 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5106 new TestClientData()));
5107 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5108 new TestClientData()));
5109 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5110 new TestClientData()));
5111 queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
5112 new TestClientData()));
5113 CHECK_EQ(1, TestClientData::destructor_call_counter);
5114 queue.Get().Dispose();
5115 CHECK_EQ(2, TestClientData::destructor_call_counter);
5117 // All the client data should be destroyed when the queue is destroyed.
5118 CHECK_EQ(TestClientData::destructor_call_counter,
5119 TestClientData::destructor_call_counter);
5123 static int handled_client_data_instances_count = 0;
5124 static void MessageHandlerCountingClientData(
5125 const v8::Debug::Message& message) {
5126 if (message.GetClientData() != NULL) {
5127 handled_client_data_instances_count++;
5132 // Tests that all client data passed to the debugger are sent to the handler.
5133 TEST(SendClientDataToHandler) {
5134 // Create a V8 environment
5135 DebugLocalContext env;
5136 v8::Isolate* isolate = env->GetIsolate();
5137 v8::HandleScope scope(isolate);
5138 TestClientData::ResetCounters();
5139 handled_client_data_instances_count = 0;
5140 v8::Debug::SetMessageHandler(MessageHandlerCountingClientData);
5141 const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;";
5142 const int kBufferSize = 1000;
5143 uint16_t buffer[kBufferSize];
5144 const char* command_1 =
5146 "\"type\":\"request\","
5147 "\"command\":\"evaluate\","
5148 "\"arguments\":{\"expression\":\"1+2\"}}";
5149 const char* command_2 =
5151 "\"type\":\"request\","
5152 "\"command\":\"evaluate\","
5153 "\"arguments\":{\"expression\":\"1+a\"}}";
5154 const char* command_continue =
5156 "\"type\":\"request\","
5157 "\"command\":\"continue\"}";
5159 v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_1, buffer),
5160 new TestClientData());
5161 v8::Debug::SendCommand(
5162 isolate, buffer, AsciiToUtf16(command_2, buffer), NULL);
5163 v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_2, buffer),
5164 new TestClientData());
5165 v8::Debug::SendCommand(isolate, buffer, AsciiToUtf16(command_2, buffer),
5166 new TestClientData());
5167 // All the messages will be processed on beforeCompile event.
5168 CompileRun(source_1);
5169 v8::Debug::SendCommand(
5170 isolate, buffer, AsciiToUtf16(command_continue, buffer));
5171 CHECK_EQ(3, TestClientData::constructor_call_counter);
5172 CHECK_EQ(TestClientData::constructor_call_counter,
5173 handled_client_data_instances_count);
5174 CHECK_EQ(TestClientData::constructor_call_counter,
5175 TestClientData::destructor_call_counter);
5179 /* Test ThreadedDebugging */
5180 /* This test interrupts a running infinite loop that is
5181 * occupying the v8 thread by a break command from the
5182 * debugger thread. It then changes the value of a
5183 * global object, to make the loop terminate.
5186 Barriers threaded_debugging_barriers;
5188 class V8Thread : public v8::base::Thread {
5190 V8Thread() : Thread(Options("V8Thread")) {}
5192 v8::Isolate* isolate() { return isolate_; }
5195 v8::Isolate* isolate_;
5198 class DebuggerThread : public v8::base::Thread {
5200 explicit DebuggerThread(v8::Isolate* isolate)
5201 : Thread(Options("DebuggerThread")), isolate_(isolate) {}
5205 v8::Isolate* isolate_;
5209 static void ThreadedAtBarrier1(
5210 const v8::FunctionCallbackInfo<v8::Value>& args) {
5211 threaded_debugging_barriers.barrier_1.Wait();
5215 static void ThreadedMessageHandler(const v8::Debug::Message& message) {
5216 static char print_buffer[1000];
5217 v8::String::Value json(message.GetJSON());
5218 Utf16ToAscii(*json, json.length(), print_buffer);
5219 if (IsBreakEventMessage(print_buffer)) {
5220 // Check that we are inside the while loop.
5221 int source_line = GetSourceLineFromBreakEventMessage(print_buffer);
5222 CHECK(8 <= source_line && source_line <= 13);
5223 threaded_debugging_barriers.barrier_2.Wait();
5228 void V8Thread::Run() {
5229 const char* source =
5231 "function bar( new_value ) {\n"
5232 " flag = new_value;\n"
5233 " return \"Return from bar(\" + new_value + \")\";\n"
5236 "function foo() {\n"
5238 " while ( flag == true ) {\n"
5239 " if ( x == 1 ) {\n"
5240 " ThreadedAtBarrier1();\n"
5248 isolate_ = v8::Isolate::New();
5249 threaded_debugging_barriers.barrier_3.Wait();
5251 v8::Isolate::Scope isolate_scope(isolate_);
5252 DebugLocalContext env(isolate_);
5253 v8::HandleScope scope(isolate_);
5254 v8::Debug::SetMessageHandler(&ThreadedMessageHandler);
5255 v8::Handle<v8::ObjectTemplate> global_template =
5256 v8::ObjectTemplate::New(env->GetIsolate());
5257 global_template->Set(
5258 v8::String::NewFromUtf8(env->GetIsolate(), "ThreadedAtBarrier1"),
5259 v8::FunctionTemplate::New(isolate_, ThreadedAtBarrier1));
5260 v8::Handle<v8::Context> context =
5261 v8::Context::New(isolate_, NULL, global_template);
5262 v8::Context::Scope context_scope(context);
5266 threaded_debugging_barriers.barrier_4.Wait();
5267 isolate_->Dispose();
5271 void DebuggerThread::Run() {
5272 const int kBufSize = 1000;
5273 uint16_t buffer[kBufSize];
5275 const char* command_1 = "{\"seq\":102,"
5276 "\"type\":\"request\","
5277 "\"command\":\"evaluate\","
5278 "\"arguments\":{\"expression\":\"bar(false)\"}}";
5279 const char* command_2 = "{\"seq\":103,"
5280 "\"type\":\"request\","
5281 "\"command\":\"continue\"}";
5283 threaded_debugging_barriers.barrier_1.Wait();
5284 v8::Debug::DebugBreak(isolate_);
5285 threaded_debugging_barriers.barrier_2.Wait();
5286 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_1, buffer));
5287 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_2, buffer));
5288 threaded_debugging_barriers.barrier_4.Wait();
5292 TEST(ThreadedDebugging) {
5295 // Create a V8 environment
5297 threaded_debugging_barriers.barrier_3.Wait();
5298 DebuggerThread debugger_thread(v8_thread.isolate());
5299 debugger_thread.Start();
5302 debugger_thread.Join();
5306 /* Test RecursiveBreakpoints */
5307 /* In this test, the debugger evaluates a function with a breakpoint, after
5308 * hitting a breakpoint in another function. We do this with both values
5309 * of the flag enabling recursive breakpoints, and verify that the second
5310 * breakpoint is hit when enabled, and missed when disabled.
5313 class BreakpointsV8Thread : public v8::base::Thread {
5315 BreakpointsV8Thread() : Thread(Options("BreakpointsV8Thread")) {}
5318 v8::Isolate* isolate() { return isolate_; }
5321 v8::Isolate* isolate_;
5324 class BreakpointsDebuggerThread : public v8::base::Thread {
5326 BreakpointsDebuggerThread(bool global_evaluate, v8::Isolate* isolate)
5327 : Thread(Options("BreakpointsDebuggerThread")),
5328 global_evaluate_(global_evaluate),
5329 isolate_(isolate) {}
5333 bool global_evaluate_;
5334 v8::Isolate* isolate_;
5338 Barriers* breakpoints_barriers;
5339 int break_event_breakpoint_id;
5340 int evaluate_int_result;
5342 static void BreakpointsMessageHandler(const v8::Debug::Message& message) {
5343 static char print_buffer[1000];
5344 v8::String::Value json(message.GetJSON());
5345 Utf16ToAscii(*json, json.length(), print_buffer);
5347 if (IsBreakEventMessage(print_buffer)) {
5348 break_event_breakpoint_id =
5349 GetBreakpointIdFromBreakEventMessage(print_buffer);
5350 breakpoints_barriers->semaphore_1.Signal();
5351 } else if (IsEvaluateResponseMessage(print_buffer)) {
5352 evaluate_int_result = GetEvaluateIntResult(print_buffer);
5353 breakpoints_barriers->semaphore_1.Signal();
5358 void BreakpointsV8Thread::Run() {
5359 const char* source_1 = "var y_global = 3;\n"
5360 "function cat( new_value ) {\n"
5361 " var x = new_value;\n"
5362 " y_global = y_global + 4;\n"
5364 " y_global = y_global + 5;\n"
5368 "function dog() {\n"
5376 const char* source_2 = "cat(17);\n"
5379 isolate_ = v8::Isolate::New();
5380 breakpoints_barriers->barrier_3.Wait();
5382 v8::Isolate::Scope isolate_scope(isolate_);
5383 DebugLocalContext env(isolate_);
5384 v8::HandleScope scope(isolate_);
5385 v8::Debug::SetMessageHandler(&BreakpointsMessageHandler);
5387 CompileRun(source_1);
5388 breakpoints_barriers->barrier_1.Wait();
5389 breakpoints_barriers->barrier_2.Wait();
5390 CompileRun(source_2);
5392 breakpoints_barriers->barrier_4.Wait();
5393 isolate_->Dispose();
5397 void BreakpointsDebuggerThread::Run() {
5398 const int kBufSize = 1000;
5399 uint16_t buffer[kBufSize];
5401 const char* command_1 = "{\"seq\":101,"
5402 "\"type\":\"request\","
5403 "\"command\":\"setbreakpoint\","
5404 "\"arguments\":{\"type\":\"function\",\"target\":\"cat\",\"line\":3}}";
5405 const char* command_2 = "{\"seq\":102,"
5406 "\"type\":\"request\","
5407 "\"command\":\"setbreakpoint\","
5408 "\"arguments\":{\"type\":\"function\",\"target\":\"dog\",\"line\":3}}";
5409 const char* command_3;
5410 if (this->global_evaluate_) {
5411 command_3 = "{\"seq\":103,"
5412 "\"type\":\"request\","
5413 "\"command\":\"evaluate\","
5414 "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false,"
5415 "\"global\":true}}";
5417 command_3 = "{\"seq\":103,"
5418 "\"type\":\"request\","
5419 "\"command\":\"evaluate\","
5420 "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false}}";
5422 const char* command_4;
5423 if (this->global_evaluate_) {
5424 command_4 = "{\"seq\":104,"
5425 "\"type\":\"request\","
5426 "\"command\":\"evaluate\","
5427 "\"arguments\":{\"expression\":\"100 + 8\",\"disable_break\":true,"
5428 "\"global\":true}}";
5430 command_4 = "{\"seq\":104,"
5431 "\"type\":\"request\","
5432 "\"command\":\"evaluate\","
5433 "\"arguments\":{\"expression\":\"x + 1\",\"disable_break\":true}}";
5435 const char* command_5 = "{\"seq\":105,"
5436 "\"type\":\"request\","
5437 "\"command\":\"continue\"}";
5438 const char* command_6 = "{\"seq\":106,"
5439 "\"type\":\"request\","
5440 "\"command\":\"continue\"}";
5441 const char* command_7;
5442 if (this->global_evaluate_) {
5443 command_7 = "{\"seq\":107,"
5444 "\"type\":\"request\","
5445 "\"command\":\"evaluate\","
5446 "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true,"
5447 "\"global\":true}}";
5449 command_7 = "{\"seq\":107,"
5450 "\"type\":\"request\","
5451 "\"command\":\"evaluate\","
5452 "\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true}}";
5454 const char* command_8 = "{\"seq\":108,"
5455 "\"type\":\"request\","
5456 "\"command\":\"continue\"}";
5459 // v8 thread initializes, runs source_1
5460 breakpoints_barriers->barrier_1.Wait();
5461 // 1:Set breakpoint in cat() (will get id 1).
5462 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_1, buffer));
5463 // 2:Set breakpoint in dog() (will get id 2).
5464 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_2, buffer));
5465 breakpoints_barriers->barrier_2.Wait();
5466 // V8 thread starts compiling source_2.
5467 // Automatic break happens, to run queued commands
5468 // breakpoints_barriers->semaphore_1.Wait();
5469 // Commands 1 through 3 run, thread continues.
5470 // v8 thread runs source_2 to breakpoint in cat().
5471 // message callback receives break event.
5472 breakpoints_barriers->semaphore_1.Wait();
5473 // Must have hit breakpoint #1.
5474 CHECK_EQ(1, break_event_breakpoint_id);
5475 // 4:Evaluate dog() (which has a breakpoint).
5476 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_3, buffer));
5477 // V8 thread hits breakpoint in dog().
5478 breakpoints_barriers->semaphore_1.Wait(); // wait for break event
5479 // Must have hit breakpoint #2.
5480 CHECK_EQ(2, break_event_breakpoint_id);
5481 // 5:Evaluate (x + 1).
5482 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_4, buffer));
5483 // Evaluate (x + 1) finishes.
5484 breakpoints_barriers->semaphore_1.Wait();
5485 // Must have result 108.
5486 CHECK_EQ(108, evaluate_int_result);
5487 // 6:Continue evaluation of dog().
5488 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_5, buffer));
5489 // Evaluate dog() finishes.
5490 breakpoints_barriers->semaphore_1.Wait();
5491 // Must have result 107.
5492 CHECK_EQ(107, evaluate_int_result);
5493 // 7:Continue evaluation of source_2, finish cat(17), hit breakpoint
5495 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_6, buffer));
5496 // Message callback gets break event.
5497 breakpoints_barriers->semaphore_1.Wait(); // wait for break event
5498 // Must have hit breakpoint #1.
5499 CHECK_EQ(1, break_event_breakpoint_id);
5500 // 8: Evaluate dog() with breaks disabled.
5501 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_7, buffer));
5502 // Evaluate dog() finishes.
5503 breakpoints_barriers->semaphore_1.Wait();
5504 // Must have result 116.
5505 CHECK_EQ(116, evaluate_int_result);
5506 // 9: Continue evaluation of source2, reach end.
5507 v8::Debug::SendCommand(isolate_, buffer, AsciiToUtf16(command_8, buffer));
5508 breakpoints_barriers->barrier_4.Wait();
5512 void TestRecursiveBreakpointsGeneric(bool global_evaluate) {
5513 BreakpointsV8Thread breakpoints_v8_thread;
5515 // Create a V8 environment
5516 Barriers stack_allocated_breakpoints_barriers;
5517 breakpoints_barriers = &stack_allocated_breakpoints_barriers;
5519 breakpoints_v8_thread.Start();
5520 breakpoints_barriers->barrier_3.Wait();
5521 BreakpointsDebuggerThread breakpoints_debugger_thread(
5522 global_evaluate, breakpoints_v8_thread.isolate());
5523 breakpoints_debugger_thread.Start();
5525 breakpoints_v8_thread.Join();
5526 breakpoints_debugger_thread.Join();
5530 TEST(RecursiveBreakpoints) {
5531 TestRecursiveBreakpointsGeneric(false);
5535 TEST(RecursiveBreakpointsGlobal) {
5536 TestRecursiveBreakpointsGeneric(true);
5540 static void DummyDebugEventListener(
5541 const v8::Debug::EventDetails& event_details) {
5545 TEST(SetDebugEventListenerOnUninitializedVM) {
5546 v8::Debug::SetDebugEventListener(DummyDebugEventListener);
5550 static void DummyMessageHandler(const v8::Debug::Message& message) {
5554 TEST(SetMessageHandlerOnUninitializedVM) {
5555 v8::Debug::SetMessageHandler(DummyMessageHandler);
5559 // Source for a JavaScript function which returns the data parameter of a
5560 // function called in the context of the debugger. If no data parameter is
5561 // passed it throws an exception.
5562 static const char* debugger_call_with_data_source =
5563 "function debugger_call_with_data(exec_state, data) {"
5564 " if (data) return data;"
5567 v8::Handle<v8::Function> debugger_call_with_data;
5570 // Source for a JavaScript function which returns the data parameter of a
5571 // function called in the context of the debugger. If no data parameter is
5572 // passed it throws an exception.
5573 static const char* debugger_call_with_closure_source =
5575 "(function (exec_state) {"
5576 " if (exec_state.y) return x - 1;"
5577 " exec_state.y = x;"
5578 " return exec_state.y"
5580 v8::Handle<v8::Function> debugger_call_with_closure;
5582 // Function to retrieve the number of JavaScript frames by calling a JavaScript
5584 static void CheckFrameCount(const v8::FunctionCallbackInfo<v8::Value>& args) {
5585 CHECK(v8::Debug::Call(frame_count)->IsNumber());
5586 CHECK_EQ(args[0]->Int32Value(),
5587 v8::Debug::Call(frame_count)->Int32Value());
5591 // Function to retrieve the source line of the top JavaScript frame by calling a
5592 // JavaScript function in the debugger.
5593 static void CheckSourceLine(const v8::FunctionCallbackInfo<v8::Value>& args) {
5594 CHECK(v8::Debug::Call(frame_source_line)->IsNumber());
5595 CHECK_EQ(args[0]->Int32Value(),
5596 v8::Debug::Call(frame_source_line)->Int32Value());
5600 // Function to test passing an additional parameter to a JavaScript function
5601 // called in the debugger. It also tests that functions called in the debugger
5602 // can throw exceptions.
5603 static void CheckDataParameter(
5604 const v8::FunctionCallbackInfo<v8::Value>& args) {
5605 v8::Handle<v8::String> data =
5606 v8::String::NewFromUtf8(args.GetIsolate(), "Test");
5607 CHECK(v8::Debug::Call(debugger_call_with_data, data)->IsString());
5609 for (int i = 0; i < 3; i++) {
5610 v8::TryCatch catcher;
5611 CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty());
5612 CHECK(catcher.HasCaught());
5613 CHECK(catcher.Exception()->IsString());
5618 // Function to test using a JavaScript with closure in the debugger.
5619 static void CheckClosure(const v8::FunctionCallbackInfo<v8::Value>& args) {
5620 CHECK(v8::Debug::Call(debugger_call_with_closure)->IsNumber());
5621 CHECK_EQ(3, v8::Debug::Call(debugger_call_with_closure)->Int32Value());
5625 // Test functions called through the debugger.
5626 TEST(CallFunctionInDebugger) {
5627 // Create and enter a context with the functions CheckFrameCount,
5628 // CheckSourceLine and CheckDataParameter installed.
5629 v8::Isolate* isolate = CcTest::isolate();
5630 v8::HandleScope scope(isolate);
5631 v8::Handle<v8::ObjectTemplate> global_template =
5632 v8::ObjectTemplate::New(isolate);
5633 global_template->Set(
5634 v8::String::NewFromUtf8(isolate, "CheckFrameCount"),
5635 v8::FunctionTemplate::New(isolate, CheckFrameCount));
5636 global_template->Set(
5637 v8::String::NewFromUtf8(isolate, "CheckSourceLine"),
5638 v8::FunctionTemplate::New(isolate, CheckSourceLine));
5639 global_template->Set(
5640 v8::String::NewFromUtf8(isolate, "CheckDataParameter"),
5641 v8::FunctionTemplate::New(isolate, CheckDataParameter));
5642 global_template->Set(
5643 v8::String::NewFromUtf8(isolate, "CheckClosure"),
5644 v8::FunctionTemplate::New(isolate, CheckClosure));
5645 v8::Handle<v8::Context> context = v8::Context::New(isolate,
5648 v8::Context::Scope context_scope(context);
5650 // Compile a function for checking the number of JavaScript frames.
5651 v8::Script::Compile(
5652 v8::String::NewFromUtf8(isolate, frame_count_source))->Run();
5653 frame_count = v8::Local<v8::Function>::Cast(context->Global()->Get(
5654 v8::String::NewFromUtf8(isolate, "frame_count")));
5656 // Compile a function for returning the source line for the top frame.
5657 v8::Script::Compile(v8::String::NewFromUtf8(isolate,
5658 frame_source_line_source))->Run();
5659 frame_source_line = v8::Local<v8::Function>::Cast(context->Global()->Get(
5660 v8::String::NewFromUtf8(isolate, "frame_source_line")));
5662 // Compile a function returning the data parameter.
5663 v8::Script::Compile(v8::String::NewFromUtf8(isolate,
5664 debugger_call_with_data_source))
5666 debugger_call_with_data = v8::Local<v8::Function>::Cast(
5667 context->Global()->Get(v8::String::NewFromUtf8(
5668 isolate, "debugger_call_with_data")));
5670 // Compile a function capturing closure.
5671 debugger_call_with_closure =
5672 v8::Local<v8::Function>::Cast(v8::Script::Compile(
5673 v8::String::NewFromUtf8(isolate,
5674 debugger_call_with_closure_source))->Run());
5676 // Calling a function through the debugger returns 0 frames if there are
5677 // no JavaScript frames.
5678 CHECK(v8::Integer::New(isolate, 0)->Equals(v8::Debug::Call(frame_count)));
5680 // Test that the number of frames can be retrieved.
5681 v8::Script::Compile(
5682 v8::String::NewFromUtf8(isolate, "CheckFrameCount(1)"))->Run();
5683 v8::Script::Compile(v8::String::NewFromUtf8(isolate,
5685 " CheckFrameCount(2);"
5688 // Test that the source line can be retrieved.
5689 v8::Script::Compile(
5690 v8::String::NewFromUtf8(isolate, "CheckSourceLine(0)"))->Run();
5691 v8::Script::Compile(v8::String::NewFromUtf8(isolate,
5693 " CheckSourceLine(1)\n"
5694 " CheckSourceLine(2)\n"
5695 " CheckSourceLine(3)\n"
5698 // Test that a parameter can be passed to a function called in the debugger.
5699 v8::Script::Compile(v8::String::NewFromUtf8(isolate,
5700 "CheckDataParameter()"))->Run();
5702 // Test that a function with closure can be run in the debugger.
5703 v8::Script::Compile(
5704 v8::String::NewFromUtf8(isolate, "CheckClosure()"))->Run();
5706 // Test that the source line is correct when there is a line offset.
5707 v8::ScriptOrigin origin(v8::String::NewFromUtf8(isolate, "test"),
5708 v8::Integer::New(isolate, 7));
5709 v8::Script::Compile(
5710 v8::String::NewFromUtf8(isolate, "CheckSourceLine(7)"), &origin)
5712 v8::Script::Compile(v8::String::NewFromUtf8(isolate,
5714 " CheckSourceLine(8)\n"
5715 " CheckSourceLine(9)\n"
5716 " CheckSourceLine(10)\n"
5722 // Debugger message handler which counts the number of breaks.
5723 static void SendContinueCommand();
5724 static void MessageHandlerBreakPointHitCount(
5725 const v8::Debug::Message& message) {
5726 if (message.IsEvent() && message.GetEvent() == v8::Break) {
5727 // Count the number of breaks.
5728 break_point_hit_count++;
5730 SendContinueCommand();
5735 // Test that clearing the debug event listener actually clears all break points
5736 // and related information.
5737 TEST(DebuggerUnload) {
5738 DebugLocalContext env;
5740 // Check debugger is unloaded before it is used.
5741 CheckDebuggerUnloaded();
5743 // Set a debug event listener.
5744 break_point_hit_count = 0;
5745 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
5747 v8::HandleScope scope(env->GetIsolate());
5748 // Create a couple of functions for the test.
5749 v8::Local<v8::Function> foo =
5750 CompileFunction(&env, "function foo(){x=1}", "foo");
5751 v8::Local<v8::Function> bar =
5752 CompileFunction(&env, "function bar(){y=2}", "bar");
5754 // Set some break points.
5755 SetBreakPoint(foo, 0);
5756 SetBreakPoint(foo, 4);
5757 SetBreakPoint(bar, 0);
5758 SetBreakPoint(bar, 4);
5760 // Make sure that the break points are there.
5761 break_point_hit_count = 0;
5762 foo->Call(env->Global(), 0, NULL);
5763 CHECK_EQ(2, break_point_hit_count);
5764 bar->Call(env->Global(), 0, NULL);
5765 CHECK_EQ(4, break_point_hit_count);
5768 // Remove the debug event listener without clearing breakpoints. Do this
5769 // outside a handle scope.
5770 v8::Debug::SetDebugEventListener(NULL);
5771 CheckDebuggerUnloaded(true);
5773 // Now set a debug message handler.
5774 break_point_hit_count = 0;
5775 v8::Debug::SetMessageHandler(MessageHandlerBreakPointHitCount);
5777 v8::HandleScope scope(env->GetIsolate());
5779 // Get the test functions again.
5780 v8::Local<v8::Function> foo(v8::Local<v8::Function>::Cast(
5781 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo"))));
5783 foo->Call(env->Global(), 0, NULL);
5784 CHECK_EQ(0, break_point_hit_count);
5786 // Set break points and run again.
5787 SetBreakPoint(foo, 0);
5788 SetBreakPoint(foo, 4);
5789 foo->Call(env->Global(), 0, NULL);
5790 CHECK_EQ(2, break_point_hit_count);
5793 // Remove the debug message handler without clearing breakpoints. Do this
5794 // outside a handle scope.
5795 v8::Debug::SetMessageHandler(NULL);
5796 CheckDebuggerUnloaded(true);
5800 // Sends continue command to the debugger.
5801 static void SendContinueCommand() {
5802 const int kBufferSize = 1000;
5803 uint16_t buffer[kBufferSize];
5804 const char* command_continue =
5806 "\"type\":\"request\","
5807 "\"command\":\"continue\"}";
5809 v8::Debug::SendCommand(
5810 CcTest::isolate(), buffer, AsciiToUtf16(command_continue, buffer));
5814 // Debugger message handler which counts the number of times it is called.
5815 static int message_handler_hit_count = 0;
5816 static void MessageHandlerHitCount(const v8::Debug::Message& message) {
5817 message_handler_hit_count++;
5819 static char print_buffer[1000];
5820 v8::String::Value json(message.GetJSON());
5821 Utf16ToAscii(*json, json.length(), print_buffer);
5822 if (IsExceptionEventMessage(print_buffer)) {
5823 // Send a continue command for exception events.
5824 SendContinueCommand();
5829 // Test clearing the debug message handler.
5830 TEST(DebuggerClearMessageHandler) {
5831 DebugLocalContext env;
5832 v8::HandleScope scope(env->GetIsolate());
5834 // Check debugger is unloaded before it is used.
5835 CheckDebuggerUnloaded();
5837 // Set a debug message handler.
5838 v8::Debug::SetMessageHandler(MessageHandlerHitCount);
5840 // Run code to throw a unhandled exception. This should end up in the message
5842 CompileRun("throw 1");
5844 // The message handler should be called.
5845 CHECK_GT(message_handler_hit_count, 0);
5847 // Clear debug message handler.
5848 message_handler_hit_count = 0;
5849 v8::Debug::SetMessageHandler(NULL);
5851 // Run code to throw a unhandled exception. This should end up in the message
5853 CompileRun("throw 1");
5855 // The message handler should not be called more.
5856 CHECK_EQ(0, message_handler_hit_count);
5858 CheckDebuggerUnloaded(true);
5862 // Debugger message handler which clears the message handler while active.
5863 static void MessageHandlerClearingMessageHandler(
5864 const v8::Debug::Message& message) {
5865 message_handler_hit_count++;
5867 // Clear debug message handler.
5868 v8::Debug::SetMessageHandler(NULL);
5872 // Test clearing the debug message handler while processing a debug event.
5873 TEST(DebuggerClearMessageHandlerWhileActive) {
5874 DebugLocalContext env;
5875 v8::HandleScope scope(env->GetIsolate());
5877 // Check debugger is unloaded before it is used.
5878 CheckDebuggerUnloaded();
5880 // Set a debug message handler.
5881 v8::Debug::SetMessageHandler(MessageHandlerClearingMessageHandler);
5883 // Run code to throw a unhandled exception. This should end up in the message
5885 CompileRun("throw 1");
5887 // The message handler should be called.
5888 CHECK_EQ(1, message_handler_hit_count);
5890 CheckDebuggerUnloaded(true);
5894 // Test for issue http://code.google.com/p/v8/issues/detail?id=289.
5895 // Make sure that DebugGetLoadedScripts doesn't return scripts
5896 // with disposed external source.
5897 class EmptyExternalStringResource : public v8::String::ExternalStringResource {
5899 EmptyExternalStringResource() { empty_[0] = 0; }
5900 virtual ~EmptyExternalStringResource() {}
5901 virtual size_t length() const { return empty_.length(); }
5902 virtual const uint16_t* data() const { return empty_.start(); }
5904 ::v8::internal::EmbeddedVector<uint16_t, 1> empty_;
5908 TEST(DebugGetLoadedScripts) {
5909 DebugLocalContext env;
5910 v8::HandleScope scope(env->GetIsolate());
5913 EmptyExternalStringResource source_ext_str;
5914 v8::Local<v8::String> source =
5915 v8::String::NewExternal(env->GetIsolate(), &source_ext_str);
5916 v8::Handle<v8::Script> evil_script(v8::Script::Compile(source));
5917 // "use" evil_script to make the compiler happy.
5919 Handle<i::ExternalTwoByteString> i_source(
5920 i::ExternalTwoByteString::cast(*v8::Utils::OpenHandle(*source)));
5921 // This situation can happen if source was an external string disposed
5923 i_source->set_resource(0);
5925 bool allow_natives_syntax = i::FLAG_allow_natives_syntax;
5926 i::FLAG_allow_natives_syntax = true;
5928 "var scripts = %DebugGetLoadedScripts();"
5929 "var count = scripts.length;"
5930 "for (var i = 0; i < count; ++i) {"
5931 " scripts[i].line_ends;"
5933 // Must not crash while accessing line_ends.
5934 i::FLAG_allow_natives_syntax = allow_natives_syntax;
5936 // Some scripts are retrieved - at least the number of native scripts.
5939 ->Get(v8::String::NewFromUtf8(env->GetIsolate(), "count"))
5945 // Test script break points set on lines.
5946 TEST(ScriptNameAndData) {
5947 DebugLocalContext env;
5948 v8::HandleScope scope(env->GetIsolate());
5951 // Create functions for retrieving script name and data for the function on
5952 // the top frame when hitting a break point.
5953 frame_script_name = CompileFunction(&env,
5954 frame_script_name_source,
5955 "frame_script_name");
5957 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
5959 // Test function source.
5960 v8::Local<v8::String> script = v8::String::NewFromUtf8(env->GetIsolate(),
5965 v8::ScriptOrigin origin1 =
5966 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "name"));
5967 v8::Handle<v8::Script> script1 = v8::Script::Compile(script, &origin1);
5969 v8::Local<v8::Function> f;
5970 f = v8::Local<v8::Function>::Cast(
5971 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
5973 f->Call(env->Global(), 0, NULL);
5974 CHECK_EQ(1, break_point_hit_count);
5975 CHECK_EQ(0, strcmp("name", last_script_name_hit));
5977 // Compile the same script again without setting data. As the compilation
5978 // cache is disabled when debugging expect the data to be missing.
5979 v8::Script::Compile(script, &origin1)->Run();
5980 f = v8::Local<v8::Function>::Cast(
5981 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
5982 f->Call(env->Global(), 0, NULL);
5983 CHECK_EQ(2, break_point_hit_count);
5984 CHECK_EQ(0, strcmp("name", last_script_name_hit));
5986 v8::Local<v8::String> data_obj_source = v8::String::NewFromUtf8(
5990 " toString: function() { return this.a + ' ' + this.b; }\n"
5992 v8::Script::Compile(data_obj_source)->Run();
5993 v8::ScriptOrigin origin2 =
5994 v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "new name"));
5995 v8::Handle<v8::Script> script2 = v8::Script::Compile(script, &origin2);
5997 f = v8::Local<v8::Function>::Cast(
5998 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
5999 f->Call(env->Global(), 0, NULL);
6000 CHECK_EQ(3, break_point_hit_count);
6001 CHECK_EQ(0, strcmp("new name", last_script_name_hit));
6003 v8::Handle<v8::Script> script3 = v8::Script::Compile(script, &origin2);
6005 f = v8::Local<v8::Function>::Cast(
6006 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
6007 f->Call(env->Global(), 0, NULL);
6008 CHECK_EQ(4, break_point_hit_count);
6012 static v8::Handle<v8::Context> expected_context;
6013 static v8::Handle<v8::Value> expected_context_data;
6016 // Check that the expected context is the one generating the debug event.
6017 static void ContextCheckMessageHandler(const v8::Debug::Message& message) {
6018 CHECK(message.GetEventContext() == expected_context);
6019 CHECK(message.GetEventContext()->GetEmbedderData(0)->StrictEquals(
6020 expected_context_data));
6021 message_handler_hit_count++;
6023 static char print_buffer[1000];
6024 v8::String::Value json(message.GetJSON());
6025 Utf16ToAscii(*json, json.length(), print_buffer);
6027 // Send a continue command for break events.
6028 if (IsBreakEventMessage(print_buffer)) {
6029 SendContinueCommand();
6034 // Test which creates two contexts and sets different embedder data on each.
6035 // Checks that this data is set correctly and that when the debug message
6036 // handler is called the expected context is the one active.
6038 v8::Isolate* isolate = CcTest::isolate();
6039 v8::HandleScope scope(isolate);
6041 // Create two contexts.
6042 v8::Handle<v8::Context> context_1;
6043 v8::Handle<v8::Context> context_2;
6044 v8::Handle<v8::ObjectTemplate> global_template =
6045 v8::Handle<v8::ObjectTemplate>();
6046 v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>();
6047 context_1 = v8::Context::New(isolate, NULL, global_template, global_object);
6048 context_2 = v8::Context::New(isolate, NULL, global_template, global_object);
6050 v8::Debug::SetMessageHandler(ContextCheckMessageHandler);
6052 // Default data value is undefined.
6053 CHECK(context_1->GetEmbedderData(0)->IsUndefined());
6054 CHECK(context_2->GetEmbedderData(0)->IsUndefined());
6056 // Set and check different data values.
6057 v8::Handle<v8::String> data_1 = v8::String::NewFromUtf8(isolate, "1");
6058 v8::Handle<v8::String> data_2 = v8::String::NewFromUtf8(isolate, "2");
6059 context_1->SetEmbedderData(0, data_1);
6060 context_2->SetEmbedderData(0, data_2);
6061 CHECK(context_1->GetEmbedderData(0)->StrictEquals(data_1));
6062 CHECK(context_2->GetEmbedderData(0)->StrictEquals(data_2));
6064 // Simple test function which causes a break.
6065 const char* source = "function f() { debugger; }";
6067 // Enter and run function in the first context.
6069 v8::Context::Scope context_scope(context_1);
6070 expected_context = context_1;
6071 expected_context_data = data_1;
6072 v8::Local<v8::Function> f = CompileFunction(isolate, source, "f");
6073 f->Call(context_1->Global(), 0, NULL);
6077 // Enter and run function in the second context.
6079 v8::Context::Scope context_scope(context_2);
6080 expected_context = context_2;
6081 expected_context_data = data_2;
6082 v8::Local<v8::Function> f = CompileFunction(isolate, source, "f");
6083 f->Call(context_2->Global(), 0, NULL);
6086 // Two times compile event and two times break event.
6087 CHECK_GT(message_handler_hit_count, 4);
6089 v8::Debug::SetMessageHandler(NULL);
6090 CheckDebuggerUnloaded();
6094 // Debug message handler which issues a debug break when it hits a break event.
6095 static int message_handler_break_hit_count = 0;
6096 static void DebugBreakMessageHandler(const v8::Debug::Message& message) {
6097 // Schedule a debug break for break events.
6098 if (message.IsEvent() && message.GetEvent() == v8::Break) {
6099 message_handler_break_hit_count++;
6100 if (message_handler_break_hit_count == 1) {
6101 v8::Debug::DebugBreak(message.GetIsolate());
6105 // Issue a continue command if this event will not cause the VM to start
6107 if (!message.WillStartRunning()) {
6108 SendContinueCommand();
6113 // Test that a debug break can be scheduled while in a message handler.
6114 TEST(DebugBreakInMessageHandler) {
6115 DebugLocalContext env;
6116 v8::HandleScope scope(env->GetIsolate());
6118 v8::Debug::SetMessageHandler(DebugBreakMessageHandler);
6121 const char* script = "function f() { debugger; g(); } function g() { }";
6123 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
6124 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
6125 v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
6126 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
6128 // Call f then g. The debugger statement in f will casue a break which will
6129 // cause another break.
6130 f->Call(env->Global(), 0, NULL);
6131 CHECK_EQ(2, message_handler_break_hit_count);
6132 // Calling g will not cause any additional breaks.
6133 g->Call(env->Global(), 0, NULL);
6134 CHECK_EQ(2, message_handler_break_hit_count);
6138 #ifndef V8_INTERPRETED_REGEXP
6139 // Debug event handler which gets the function on the top frame and schedules a
6140 // break a number of times.
6141 static void DebugEventDebugBreak(
6142 const v8::Debug::EventDetails& event_details) {
6143 v8::DebugEvent event = event_details.GetEvent();
6144 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
6146 if (event == v8::Break) {
6147 break_point_hit_count++;
6149 // Get the name of the top frame function.
6150 if (!frame_function_name.IsEmpty()) {
6151 // Get the name of the function.
6153 v8::Handle<v8::Value> argv[argc] = {
6154 exec_state, v8::Integer::New(CcTest::isolate(), 0)
6156 v8::Handle<v8::Value> result = frame_function_name->Call(exec_state,
6158 if (result->IsUndefined()) {
6159 last_function_hit[0] = '\0';
6161 CHECK(result->IsString());
6162 v8::Handle<v8::String> function_name(
6163 result->ToString(CcTest::isolate()));
6164 function_name->WriteUtf8(last_function_hit);
6168 // Keep forcing breaks.
6169 if (break_point_hit_count < 20) {
6170 v8::Debug::DebugBreak(CcTest::isolate());
6176 TEST(RegExpDebugBreak) {
6177 // This test only applies to native regexps.
6178 DebugLocalContext env;
6179 v8::HandleScope scope(env->GetIsolate());
6181 // Create a function for checking the function when hitting a break point.
6182 frame_function_name = CompileFunction(&env,
6183 frame_function_name_source,
6184 "frame_function_name");
6186 // Test RegExp which matches white spaces and comments at the begining of a
6188 const char* script =
6189 "var sourceLineBeginningSkip = /^(?:[ \\v\\h]*(?:\\/\\*.*?\\*\\/)*)*/;\n"
6190 "function f(s) { return s.match(sourceLineBeginningSkip)[0].length; }";
6192 v8::Local<v8::Function> f = CompileFunction(env->GetIsolate(), script, "f");
6194 v8::Handle<v8::Value> argv[argc] = {
6195 v8::String::NewFromUtf8(env->GetIsolate(), " /* xxx */ a=0;")};
6196 v8::Local<v8::Value> result = f->Call(env->Global(), argc, argv);
6197 CHECK_EQ(12, result->Int32Value());
6199 v8::Debug::SetDebugEventListener(DebugEventDebugBreak);
6200 v8::Debug::DebugBreak(env->GetIsolate());
6201 result = f->Call(env->Global(), argc, argv);
6203 // Check that there was only one break event. Matching RegExp should not
6204 // cause Break events.
6205 CHECK_EQ(1, break_point_hit_count);
6206 CHECK_EQ(0, strcmp("f", last_function_hit));
6208 #endif // V8_INTERPRETED_REGEXP
6211 // Common part of EvalContextData and NestedBreakEventContextData tests.
6212 static void ExecuteScriptForContextCheck(
6213 v8::Debug::MessageHandler message_handler) {
6214 // Create a context.
6215 v8::Handle<v8::Context> context_1;
6216 v8::Handle<v8::ObjectTemplate> global_template =
6217 v8::Handle<v8::ObjectTemplate>();
6219 v8::Context::New(CcTest::isolate(), NULL, global_template);
6221 v8::Debug::SetMessageHandler(message_handler);
6223 // Default data value is undefined.
6224 CHECK(context_1->GetEmbedderData(0)->IsUndefined());
6226 // Set and check a data value.
6227 v8::Handle<v8::String> data_1 =
6228 v8::String::NewFromUtf8(CcTest::isolate(), "1");
6229 context_1->SetEmbedderData(0, data_1);
6230 CHECK(context_1->GetEmbedderData(0)->StrictEquals(data_1));
6232 // Simple test function with eval that causes a break.
6233 const char* source = "function f() { eval('debugger;'); }";
6235 // Enter and run function in the context.
6237 v8::Context::Scope context_scope(context_1);
6238 expected_context = context_1;
6239 expected_context_data = data_1;
6240 v8::Local<v8::Function> f = CompileFunction(CcTest::isolate(), source, "f");
6241 f->Call(context_1->Global(), 0, NULL);
6244 v8::Debug::SetMessageHandler(NULL);
6248 // Test which creates a context and sets embedder data on it. Checks that this
6249 // data is set correctly and that when the debug message handler is called for
6250 // break event in an eval statement the expected context is the one returned by
6251 // Message.GetEventContext.
6252 TEST(EvalContextData) {
6253 v8::HandleScope scope(CcTest::isolate());
6255 ExecuteScriptForContextCheck(ContextCheckMessageHandler);
6257 // One time compile event and one time break event.
6258 CHECK_GT(message_handler_hit_count, 2);
6259 CheckDebuggerUnloaded();
6263 static bool sent_eval = false;
6264 static int break_count = 0;
6265 static int continue_command_send_count = 0;
6266 // Check that the expected context is the one generating the debug event
6267 // including the case of nested break event.
6268 static void DebugEvalContextCheckMessageHandler(
6269 const v8::Debug::Message& message) {
6270 CHECK(message.GetEventContext() == expected_context);
6271 CHECK(message.GetEventContext()->GetEmbedderData(0)->StrictEquals(
6272 expected_context_data));
6273 message_handler_hit_count++;
6275 static char print_buffer[1000];
6276 v8::String::Value json(message.GetJSON());
6277 Utf16ToAscii(*json, json.length(), print_buffer);
6279 v8::Isolate* isolate = message.GetIsolate();
6280 if (IsBreakEventMessage(print_buffer)) {
6285 const int kBufferSize = 1000;
6286 uint16_t buffer[kBufferSize];
6287 const char* eval_command =
6289 "\"type\":\"request\","
6290 "\"command\":\"evaluate\","
6291 "\"arguments\":{\"expression\":\"debugger;\","
6292 "\"global\":true,\"disable_break\":false}}";
6294 // Send evaluate command.
6295 v8::Debug::SendCommand(
6296 isolate, buffer, AsciiToUtf16(eval_command, buffer));
6299 // It's a break event caused by the evaluation request above.
6300 SendContinueCommand();
6301 continue_command_send_count++;
6303 } else if (IsEvaluateResponseMessage(print_buffer) &&
6304 continue_command_send_count < 2) {
6305 // Response to the evaluation request. We're still on the breakpoint so
6307 SendContinueCommand();
6308 continue_command_send_count++;
6313 // Tests that context returned for break event is correct when the event occurs
6314 // in 'evaluate' debugger request.
6315 TEST(NestedBreakEventContextData) {
6316 v8::HandleScope scope(CcTest::isolate());
6318 message_handler_hit_count = 0;
6320 ExecuteScriptForContextCheck(DebugEvalContextCheckMessageHandler);
6322 // One time compile event and two times break event.
6323 CHECK_GT(message_handler_hit_count, 3);
6325 // One break from the source and another from the evaluate request.
6326 CHECK_EQ(break_count, 2);
6327 CheckDebuggerUnloaded();
6331 // Debug event listener which counts the after compile events.
6332 int after_compile_message_count = 0;
6333 static void AfterCompileMessageHandler(const v8::Debug::Message& message) {
6334 // Count the number of scripts collected.
6335 if (message.IsEvent()) {
6336 if (message.GetEvent() == v8::AfterCompile) {
6337 after_compile_message_count++;
6338 } else if (message.GetEvent() == v8::Break) {
6339 SendContinueCommand();
6345 // Tests that after compile event is sent as many times as there are scripts
6347 TEST(AfterCompileMessageWhenMessageHandlerIsReset) {
6348 DebugLocalContext env;
6349 v8::HandleScope scope(env->GetIsolate());
6350 after_compile_message_count = 0;
6351 const char* script = "var a=1";
6353 v8::Debug::SetMessageHandler(AfterCompileMessageHandler);
6354 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), script))
6356 v8::Debug::SetMessageHandler(NULL);
6358 v8::Debug::SetMessageHandler(AfterCompileMessageHandler);
6359 v8::Debug::DebugBreak(env->GetIsolate());
6360 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), script))
6363 // Setting listener to NULL should cause debugger unload.
6364 v8::Debug::SetMessageHandler(NULL);
6365 CheckDebuggerUnloaded();
6367 // Compilation cache should be disabled when debugger is active.
6368 CHECK_EQ(2, after_compile_message_count);
6372 // Syntax error event handler which counts a number of events.
6373 int compile_error_event_count = 0;
6375 static void CompileErrorEventCounterClear() {
6376 compile_error_event_count = 0;
6379 static void CompileErrorEventCounter(
6380 const v8::Debug::EventDetails& event_details) {
6381 v8::DebugEvent event = event_details.GetEvent();
6383 if (event == v8::CompileError) {
6384 compile_error_event_count++;
6389 // Tests that syntax error event is sent as many times as there are scripts
6390 // with syntax error compiled.
6391 TEST(SyntaxErrorMessageOnSyntaxException) {
6392 DebugLocalContext env;
6393 v8::HandleScope scope(env->GetIsolate());
6395 // For this test, we want to break on uncaught exceptions:
6396 ChangeBreakOnException(false, true);
6398 v8::Debug::SetDebugEventListener(CompileErrorEventCounter);
6400 CompileErrorEventCounterClear();
6402 // Check initial state.
6403 CHECK_EQ(0, compile_error_event_count);
6405 // Throws SyntaxError: Unexpected end of input
6406 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "+++"));
6407 CHECK_EQ(1, compile_error_event_count);
6409 v8::Script::Compile(
6410 v8::String::NewFromUtf8(env->GetIsolate(), "/sel\\/: \\"));
6411 CHECK_EQ(2, compile_error_event_count);
6413 v8::Script::Compile(
6414 v8::String::NewFromUtf8(env->GetIsolate(), "JSON.parse('1234:')"));
6415 CHECK_EQ(2, compile_error_event_count);
6417 v8::Script::Compile(
6418 v8::String::NewFromUtf8(env->GetIsolate(), "new RegExp('/\\/\\\\');"));
6419 CHECK_EQ(2, compile_error_event_count);
6421 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "throw 1;"));
6422 CHECK_EQ(2, compile_error_event_count);
6426 // Tests that break event is sent when message handler is reset.
6427 TEST(BreakMessageWhenMessageHandlerIsReset) {
6428 DebugLocalContext env;
6429 v8::HandleScope scope(env->GetIsolate());
6430 after_compile_message_count = 0;
6431 const char* script = "function f() {};";
6433 v8::Debug::SetMessageHandler(AfterCompileMessageHandler);
6434 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), script))
6436 v8::Debug::SetMessageHandler(NULL);
6438 v8::Debug::SetMessageHandler(AfterCompileMessageHandler);
6439 v8::Debug::DebugBreak(env->GetIsolate());
6440 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
6441 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
6442 f->Call(env->Global(), 0, NULL);
6444 // Setting message handler to NULL should cause debugger unload.
6445 v8::Debug::SetMessageHandler(NULL);
6446 CheckDebuggerUnloaded();
6448 // Compilation cache should be disabled when debugger is active.
6449 CHECK_EQ(1, after_compile_message_count);
6453 static int exception_event_count = 0;
6454 static void ExceptionMessageHandler(const v8::Debug::Message& message) {
6455 if (message.IsEvent() && message.GetEvent() == v8::Exception) {
6456 exception_event_count++;
6457 SendContinueCommand();
6462 // Tests that exception event is sent when message handler is reset.
6463 TEST(ExceptionMessageWhenMessageHandlerIsReset) {
6464 DebugLocalContext env;
6465 v8::HandleScope scope(env->GetIsolate());
6467 // For this test, we want to break on uncaught exceptions:
6468 ChangeBreakOnException(false, true);
6470 exception_event_count = 0;
6471 const char* script = "function f() {throw new Error()};";
6473 v8::Debug::SetMessageHandler(AfterCompileMessageHandler);
6474 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), script))
6476 v8::Debug::SetMessageHandler(NULL);
6478 v8::Debug::SetMessageHandler(ExceptionMessageHandler);
6479 v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
6480 env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
6481 f->Call(env->Global(), 0, NULL);
6483 // Setting message handler to NULL should cause debugger unload.
6484 v8::Debug::SetMessageHandler(NULL);
6485 CheckDebuggerUnloaded();
6487 CHECK_EQ(1, exception_event_count);
6491 // Tests after compile event is sent when there are some provisional
6492 // breakpoints out of the scripts lines range.
6493 TEST(ProvisionalBreakpointOnLineOutOfRange) {
6494 DebugLocalContext env;
6495 v8::HandleScope scope(env->GetIsolate());
6497 const char* script = "function f() {};";
6498 const char* resource_name = "test_resource";
6500 // Set a couple of provisional breakpoint on lines out of the script lines
6502 int sbp1 = SetScriptBreakPointByNameFromJS(env->GetIsolate(), resource_name,
6503 3, -1 /* no column */);
6505 SetScriptBreakPointByNameFromJS(env->GetIsolate(), resource_name, 5, 5);
6507 after_compile_message_count = 0;
6508 v8::Debug::SetMessageHandler(AfterCompileMessageHandler);
6510 v8::ScriptOrigin origin(
6511 v8::String::NewFromUtf8(env->GetIsolate(), resource_name),
6512 v8::Integer::New(env->GetIsolate(), 10),
6513 v8::Integer::New(env->GetIsolate(), 1));
6514 // Compile a script whose first line number is greater than the breakpoints'
6516 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), script),
6519 // If the script is compiled successfully there is exactly one after compile
6520 // event. In case of an exception in debugger code after compile event is not
6522 CHECK_EQ(1, after_compile_message_count);
6524 ClearBreakPointFromJS(env->GetIsolate(), sbp1);
6525 ClearBreakPointFromJS(env->GetIsolate(), sbp2);
6526 v8::Debug::SetMessageHandler(NULL);
6530 static void BreakMessageHandler(const v8::Debug::Message& message) {
6531 i::Isolate* isolate = CcTest::i_isolate();
6532 if (message.IsEvent() && message.GetEvent() == v8::Break) {
6533 // Count the number of breaks.
6534 break_point_hit_count++;
6536 i::HandleScope scope(isolate);
6539 SendContinueCommand();
6540 } else if (message.IsEvent() && message.GetEvent() == v8::AfterCompile) {
6541 i::HandleScope scope(isolate);
6543 int current_count = break_point_hit_count;
6545 // Force serialization to trigger some internal JS execution.
6548 CHECK_EQ(current_count, break_point_hit_count);
6553 // Test that if DebugBreak is forced it is ignored when code from
6554 // debug-delay.js is executed.
6555 TEST(NoDebugBreakInAfterCompileMessageHandler) {
6556 DebugLocalContext env;
6557 v8::HandleScope scope(env->GetIsolate());
6559 // Register a debug event listener which sets the break flag and counts.
6560 v8::Debug::SetMessageHandler(BreakMessageHandler);
6562 // Set the debug break flag.
6563 v8::Debug::DebugBreak(env->GetIsolate());
6565 // Create a function for testing stepping.
6566 const char* src = "function f() { eval('var x = 10;'); } ";
6567 v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
6569 // There should be only one break event.
6570 CHECK_EQ(1, break_point_hit_count);
6572 // Set the debug break flag again.
6573 v8::Debug::DebugBreak(env->GetIsolate());
6574 f->Call(env->Global(), 0, NULL);
6575 // There should be one more break event when the script is evaluated in 'f'.
6576 CHECK_EQ(2, break_point_hit_count);
6578 // Get rid of the debug message handler.
6579 v8::Debug::SetMessageHandler(NULL);
6580 CheckDebuggerUnloaded();
6584 static int counting_message_handler_counter;
6586 static void CountingMessageHandler(const v8::Debug::Message& message) {
6587 if (message.IsResponse()) counting_message_handler_counter++;
6591 // Test that debug messages get processed when ProcessDebugMessages is called.
6592 TEST(ProcessDebugMessages) {
6593 DebugLocalContext env;
6594 v8::Isolate* isolate = env->GetIsolate();
6595 v8::HandleScope scope(isolate);
6597 counting_message_handler_counter = 0;
6599 v8::Debug::SetMessageHandler(CountingMessageHandler);
6601 const int kBufferSize = 1000;
6602 uint16_t buffer[kBufferSize];
6603 const char* scripts_command =
6605 "\"type\":\"request\","
6606 "\"command\":\"scripts\"}";
6608 // Send scripts command.
6609 v8::Debug::SendCommand(
6610 isolate, buffer, AsciiToUtf16(scripts_command, buffer));
6612 CHECK_EQ(0, counting_message_handler_counter);
6613 v8::Debug::ProcessDebugMessages();
6614 // At least one message should come
6615 CHECK_GE(counting_message_handler_counter, 1);
6617 counting_message_handler_counter = 0;
6619 v8::Debug::SendCommand(
6620 isolate, buffer, AsciiToUtf16(scripts_command, buffer));
6621 v8::Debug::SendCommand(
6622 isolate, buffer, AsciiToUtf16(scripts_command, buffer));
6623 CHECK_EQ(0, counting_message_handler_counter);
6624 v8::Debug::ProcessDebugMessages();
6625 // At least two messages should come
6626 CHECK_GE(counting_message_handler_counter, 2);
6628 // Get rid of the debug message handler.
6629 v8::Debug::SetMessageHandler(NULL);
6630 CheckDebuggerUnloaded();
6634 class SendCommandThread;
6635 static SendCommandThread* send_command_thread_ = NULL;
6638 class SendCommandThread : public v8::base::Thread {
6640 explicit SendCommandThread(v8::Isolate* isolate)
6641 : Thread(Options("SendCommandThread")),
6643 isolate_(isolate) {}
6645 static void CountingAndSignallingMessageHandler(
6646 const v8::Debug::Message& message) {
6647 if (message.IsResponse()) {
6648 counting_message_handler_counter++;
6649 send_command_thread_->semaphore_.Signal();
6653 virtual void Run() {
6655 const int kBufferSize = 1000;
6656 uint16_t buffer[kBufferSize];
6657 const char* scripts_command =
6659 "\"type\":\"request\","
6660 "\"command\":\"scripts\"}";
6661 int length = AsciiToUtf16(scripts_command, buffer);
6662 // Send scripts command.
6664 for (int i = 0; i < 20; i++) {
6665 v8::base::ElapsedTimer timer;
6667 CHECK_EQ(i, counting_message_handler_counter);
6668 // Queue debug message.
6669 v8::Debug::SendCommand(isolate_, buffer, length);
6670 // Wait for the message handler to pick up the response.
6672 i::PrintF("iteration %d took %f ms\n", i,
6673 timer.Elapsed().InMillisecondsF());
6676 v8::V8::TerminateExecution(isolate_);
6679 void StartSending() { semaphore_.Signal(); }
6682 v8::base::Semaphore semaphore_;
6683 v8::Isolate* isolate_;
6687 static void StartSendingCommands(
6688 const v8::FunctionCallbackInfo<v8::Value>& info) {
6689 send_command_thread_->StartSending();
6693 TEST(ProcessDebugMessagesThreaded) {
6694 DebugLocalContext env;
6695 v8::Isolate* isolate = env->GetIsolate();
6696 v8::HandleScope scope(isolate);
6698 counting_message_handler_counter = 0;
6700 v8::Debug::SetMessageHandler(
6701 SendCommandThread::CountingAndSignallingMessageHandler);
6702 send_command_thread_ = new SendCommandThread(isolate);
6703 send_command_thread_->Start();
6705 v8::Handle<v8::FunctionTemplate> start =
6706 v8::FunctionTemplate::New(isolate, StartSendingCommands);
6707 env->Global()->Set(v8_str("start"), start->GetFunction());
6709 CompileRun("start(); while (true) { }");
6711 CHECK_EQ(20, counting_message_handler_counter);
6713 v8::Debug::SetMessageHandler(NULL);
6714 CheckDebuggerUnloaded();
6718 struct BacktraceData {
6719 static int frame_counter;
6720 static void MessageHandler(const v8::Debug::Message& message) {
6721 char print_buffer[1000];
6722 v8::String::Value json(message.GetJSON());
6723 Utf16ToAscii(*json, json.length(), print_buffer, 1000);
6725 if (strstr(print_buffer, "backtrace") == NULL) {
6728 frame_counter = GetTotalFramesInt(print_buffer);
6732 int BacktraceData::frame_counter;
6735 // Test that debug messages get processed when ProcessDebugMessages is called.
6737 DebugLocalContext env;
6738 v8::Isolate* isolate = env->GetIsolate();
6739 v8::HandleScope scope(isolate);
6741 v8::Debug::SetMessageHandler(BacktraceData::MessageHandler);
6743 const int kBufferSize = 1000;
6744 uint16_t buffer[kBufferSize];
6745 const char* scripts_command =
6747 "\"type\":\"request\","
6748 "\"command\":\"backtrace\"}";
6750 // Check backtrace from ProcessDebugMessages.
6751 BacktraceData::frame_counter = -10;
6752 v8::Debug::SendCommand(
6755 AsciiToUtf16(scripts_command, buffer),
6757 v8::Debug::ProcessDebugMessages();
6758 CHECK_EQ(BacktraceData::frame_counter, 0);
6760 v8::Handle<v8::String> void0 =
6761 v8::String::NewFromUtf8(env->GetIsolate(), "void(0)");
6762 v8::Handle<v8::Script> script = CompileWithOrigin(void0, void0);
6764 // Check backtrace from "void(0)" script.
6765 BacktraceData::frame_counter = -10;
6766 v8::Debug::SendCommand(
6769 AsciiToUtf16(scripts_command, buffer),
6772 CHECK_EQ(BacktraceData::frame_counter, 1);
6774 // Get rid of the debug message handler.
6775 v8::Debug::SetMessageHandler(NULL);
6776 CheckDebuggerUnloaded();
6781 DebugLocalContext env;
6782 v8::Isolate* isolate = env->GetIsolate();
6783 v8::HandleScope scope(isolate);
6784 v8::Handle<v8::Value> obj =
6785 v8::Debug::GetMirror(v8::String::NewFromUtf8(isolate, "hodja"));
6786 v8::ScriptCompiler::Source source(v8_str(
6787 "function runTest(mirror) {"
6788 " return mirror.isString() && (mirror.length() == 5);"
6792 v8::Handle<v8::Function> run_test = v8::Handle<v8::Function>::Cast(
6793 v8::ScriptCompiler::CompileUnbound(isolate, &source)
6794 ->BindToCurrentContext()
6796 v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj);
6797 CHECK(result->IsTrue());
6801 // Test that the debug break flag works with function.apply.
6802 TEST(DebugBreakFunctionApply) {
6803 DebugLocalContext env;
6804 v8::HandleScope scope(env->GetIsolate());
6806 // Create a function for testing breaking in apply.
6807 v8::Local<v8::Function> foo = CompileFunction(
6809 "function baz(x) { }"
6810 "function bar(x) { baz(); }"
6811 "function foo(){ bar.apply(this, [1]); }",
6814 // Register a debug event listener which steps and counts.
6815 v8::Debug::SetDebugEventListener(DebugEventBreakMax);
6817 // Set the debug break flag before calling the code using function.apply.
6818 v8::Debug::DebugBreak(env->GetIsolate());
6820 // Limit the number of debug breaks. This is a regression test for issue 493
6821 // where this test would enter an infinite loop.
6822 break_point_hit_count = 0;
6823 max_break_point_hit_count = 10000; // 10000 => infinite loop.
6824 foo->Call(env->Global(), 0, NULL);
6826 // When keeping the debug break several break will happen.
6827 CHECK_GT(break_point_hit_count, 1);
6829 v8::Debug::SetDebugEventListener(NULL);
6830 CheckDebuggerUnloaded();
6834 v8::Handle<v8::Context> debugee_context;
6835 v8::Handle<v8::Context> debugger_context;
6838 // Property getter that checks that current and calling contexts
6839 // are both the debugee contexts.
6840 static void NamedGetterWithCallingContextCheck(
6841 v8::Local<v8::String> name,
6842 const v8::PropertyCallbackInfo<v8::Value>& info) {
6843 CHECK_EQ(0, strcmp(*v8::String::Utf8Value(name), "a"));
6844 v8::Handle<v8::Context> current = info.GetIsolate()->GetCurrentContext();
6845 CHECK(current == debugee_context);
6846 CHECK(current != debugger_context);
6847 v8::Handle<v8::Context> calling = info.GetIsolate()->GetCallingContext();
6848 CHECK(calling == debugee_context);
6849 CHECK(calling != debugger_context);
6850 info.GetReturnValue().Set(1);
6854 // Debug event listener that checks if the first argument of a function is
6855 // an object with property 'a' == 1. If the property has custom accessor
6856 // this handler will eventually invoke it.
6857 static void DebugEventGetAtgumentPropertyValue(
6858 const v8::Debug::EventDetails& event_details) {
6859 v8::DebugEvent event = event_details.GetEvent();
6860 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
6861 if (event == v8::Break) {
6862 break_point_hit_count++;
6863 CHECK(debugger_context == CcTest::isolate()->GetCurrentContext());
6864 v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(CompileRun(
6865 "(function(exec_state) {\n"
6866 " return (exec_state.frame(0).argumentValue(0).property('a').\n"
6867 " value().value() == 1);\n"
6870 v8::Handle<v8::Value> argv[argc] = { exec_state };
6871 v8::Handle<v8::Value> result = func->Call(exec_state, argc, argv);
6872 CHECK(result->IsTrue());
6877 TEST(CallingContextIsNotDebugContext) {
6878 v8::internal::Debug* debug = CcTest::i_isolate()->debug();
6879 // Create and enter a debugee context.
6880 DebugLocalContext env;
6881 v8::Isolate* isolate = env->GetIsolate();
6882 v8::HandleScope scope(isolate);
6885 // Save handles to the debugger and debugee contexts to be used in
6886 // NamedGetterWithCallingContextCheck.
6887 debugee_context = env.context();
6888 debugger_context = v8::Utils::ToLocal(debug->debug_context());
6890 // Create object with 'a' property accessor.
6891 v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New(isolate);
6892 named->SetAccessor(v8::String::NewFromUtf8(isolate, "a"),
6893 NamedGetterWithCallingContextCheck);
6894 env->Global()->Set(v8::String::NewFromUtf8(isolate, "obj"),
6895 named->NewInstance());
6897 // Register the debug event listener
6898 v8::Debug::SetDebugEventListener(DebugEventGetAtgumentPropertyValue);
6900 // Create a function that invokes debugger.
6901 v8::Local<v8::Function> foo = CompileFunction(
6903 "function bar(x) { debugger; }"
6904 "function foo(){ bar(obj); }",
6907 break_point_hit_count = 0;
6908 foo->Call(env->Global(), 0, NULL);
6909 CHECK_EQ(1, break_point_hit_count);
6911 v8::Debug::SetDebugEventListener(NULL);
6912 debugee_context = v8::Handle<v8::Context>();
6913 debugger_context = v8::Handle<v8::Context>();
6914 CheckDebuggerUnloaded();
6918 TEST(DebugContextIsPreservedBetweenAccesses) {
6919 v8::HandleScope scope(CcTest::isolate());
6920 v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
6921 v8::Local<v8::Context> context1 = v8::Debug::GetDebugContext();
6922 v8::Local<v8::Context> context2 = v8::Debug::GetDebugContext();
6923 CHECK(v8::Utils::OpenHandle(*context1).is_identical_to(
6924 v8::Utils::OpenHandle(*context2)));
6925 v8::Debug::SetDebugEventListener(NULL);
6929 static v8::Handle<v8::Value> expected_callback_data;
6930 static void DebugEventContextChecker(const v8::Debug::EventDetails& details) {
6931 CHECK(details.GetEventContext() == expected_context);
6932 CHECK(expected_callback_data->Equals(details.GetCallbackData()));
6936 // Check that event details contain context where debug event occured.
6937 TEST(DebugEventContext) {
6938 v8::Isolate* isolate = CcTest::isolate();
6939 v8::HandleScope scope(isolate);
6940 expected_context = v8::Context::New(isolate);
6941 expected_callback_data = v8::Int32::New(isolate, 2010);
6942 v8::Debug::SetDebugEventListener(DebugEventContextChecker,
6943 expected_callback_data);
6944 v8::Context::Scope context_scope(expected_context);
6945 v8::Script::Compile(
6946 v8::String::NewFromUtf8(isolate, "(function(){debugger;})();"))->Run();
6947 expected_context.Clear();
6948 v8::Debug::SetDebugEventListener(NULL);
6949 expected_context_data = v8::Handle<v8::Value>();
6950 CheckDebuggerUnloaded();
6954 static void* expected_break_data;
6955 static bool was_debug_break_called;
6956 static bool was_debug_event_called;
6957 static void DebugEventBreakDataChecker(const v8::Debug::EventDetails& details) {
6958 if (details.GetEvent() == v8::BreakForCommand) {
6959 CHECK_EQ(expected_break_data, details.GetClientData());
6960 was_debug_event_called = true;
6961 } else if (details.GetEvent() == v8::Break) {
6962 was_debug_break_called = true;
6967 // Check that event details contain context where debug event occured.
6968 TEST(DebugEventBreakData) {
6969 DebugLocalContext env;
6970 v8::Isolate* isolate = env->GetIsolate();
6971 v8::HandleScope scope(isolate);
6972 v8::Debug::SetDebugEventListener(DebugEventBreakDataChecker);
6974 TestClientData::constructor_call_counter = 0;
6975 TestClientData::destructor_call_counter = 0;
6977 expected_break_data = NULL;
6978 was_debug_event_called = false;
6979 was_debug_break_called = false;
6980 v8::Debug::DebugBreakForCommand(isolate, NULL);
6981 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
6982 "(function(x){return x;})(1);"))
6984 CHECK(was_debug_event_called);
6985 CHECK(!was_debug_break_called);
6987 TestClientData* data1 = new TestClientData();
6988 expected_break_data = data1;
6989 was_debug_event_called = false;
6990 was_debug_break_called = false;
6991 v8::Debug::DebugBreakForCommand(isolate, data1);
6992 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
6993 "(function(x){return x+1;})(1);"))
6995 CHECK(was_debug_event_called);
6996 CHECK(!was_debug_break_called);
6998 expected_break_data = NULL;
6999 was_debug_event_called = false;
7000 was_debug_break_called = false;
7001 v8::Debug::DebugBreak(isolate);
7002 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
7003 "(function(x){return x+2;})(1);"))
7005 CHECK(!was_debug_event_called);
7006 CHECK(was_debug_break_called);
7008 TestClientData* data2 = new TestClientData();
7009 expected_break_data = data2;
7010 was_debug_event_called = false;
7011 was_debug_break_called = false;
7012 v8::Debug::DebugBreak(isolate);
7013 v8::Debug::DebugBreakForCommand(isolate, data2);
7014 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(),
7015 "(function(x){return x+3;})(1);"))
7017 CHECK(was_debug_event_called);
7018 CHECK(was_debug_break_called);
7020 CHECK_EQ(2, TestClientData::constructor_call_counter);
7021 CHECK_EQ(TestClientData::constructor_call_counter,
7022 TestClientData::destructor_call_counter);
7024 v8::Debug::SetDebugEventListener(NULL);
7025 CheckDebuggerUnloaded();
7028 static bool debug_event_break_deoptimize_done = false;
7030 static void DebugEventBreakDeoptimize(
7031 const v8::Debug::EventDetails& event_details) {
7032 v8::DebugEvent event = event_details.GetEvent();
7033 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
7034 if (event == v8::Break) {
7035 if (!frame_function_name.IsEmpty()) {
7036 // Get the name of the function.
7038 v8::Handle<v8::Value> argv[argc] = {
7039 exec_state, v8::Integer::New(CcTest::isolate(), 0)
7041 v8::Handle<v8::Value> result =
7042 frame_function_name->Call(exec_state, argc, argv);
7043 if (!result->IsUndefined()) {
7045 CHECK(result->IsString());
7046 v8::Handle<v8::String> function_name(
7047 result->ToString(CcTest::isolate()));
7048 function_name->WriteUtf8(fn);
7049 if (strcmp(fn, "bar") == 0) {
7050 i::Deoptimizer::DeoptimizeAll(CcTest::i_isolate());
7051 debug_event_break_deoptimize_done = true;
7056 v8::Debug::DebugBreak(CcTest::isolate());
7061 // Test deoptimization when execution is broken using the debug break stack
7063 TEST(DeoptimizeDuringDebugBreak) {
7064 DebugLocalContext env;
7065 v8::HandleScope scope(env->GetIsolate());
7068 // Create a function for checking the function when hitting a break point.
7069 frame_function_name = CompileFunction(&env,
7070 frame_function_name_source,
7071 "frame_function_name");
7074 // Set a debug event listener which will keep interrupting execution until
7075 // debug break. When inside function bar it will deoptimize all functions.
7076 // This tests lazy deoptimization bailout for the stack check, as the first
7077 // time in function bar when using debug break and no break points will be at
7078 // the initial stack check.
7079 v8::Debug::SetDebugEventListener(DebugEventBreakDeoptimize);
7081 // Compile and run function bar which will optimize it for some flag settings.
7082 v8::Script::Compile(v8::String::NewFromUtf8(
7083 env->GetIsolate(), "function bar(){}; bar()"))->Run();
7085 // Set debug break and call bar again.
7086 v8::Debug::DebugBreak(env->GetIsolate());
7087 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), "bar()"))
7090 CHECK(debug_event_break_deoptimize_done);
7092 v8::Debug::SetDebugEventListener(NULL);
7096 static void DebugEventBreakWithOptimizedStack(
7097 const v8::Debug::EventDetails& event_details) {
7098 v8::Isolate* isolate = event_details.GetEventContext()->GetIsolate();
7099 v8::DebugEvent event = event_details.GetEvent();
7100 v8::Handle<v8::Object> exec_state = event_details.GetExecutionState();
7101 if (event == v8::Break) {
7102 if (!frame_function_name.IsEmpty()) {
7103 for (int i = 0; i < 2; i++) {
7105 v8::Handle<v8::Value> argv[argc] = {
7106 exec_state, v8::Integer::New(isolate, i)
7108 // Get the name of the function in frame i.
7109 v8::Handle<v8::Value> result =
7110 frame_function_name->Call(exec_state, argc, argv);
7111 CHECK(result->IsString());
7112 v8::Handle<v8::String> function_name(result->ToString(isolate));
7113 CHECK(function_name->Equals(v8::String::NewFromUtf8(isolate, "loop")));
7114 // Get the name of the first argument in frame i.
7115 result = frame_argument_name->Call(exec_state, argc, argv);
7116 CHECK(result->IsString());
7117 v8::Handle<v8::String> argument_name(result->ToString(isolate));
7118 CHECK(argument_name->Equals(v8::String::NewFromUtf8(isolate, "count")));
7119 // Get the value of the first argument in frame i. If the
7120 // funtion is optimized the value will be undefined, otherwise
7121 // the value will be '1 - i'.
7123 // TODO(3141533): We should be able to get the real value for
7124 // optimized frames.
7125 result = frame_argument_value->Call(exec_state, argc, argv);
7126 CHECK(result->IsUndefined() || (result->Int32Value() == 1 - i));
7127 // Get the name of the first local variable.
7128 result = frame_local_name->Call(exec_state, argc, argv);
7129 CHECK(result->IsString());
7130 v8::Handle<v8::String> local_name(result->ToString(isolate));
7131 CHECK(local_name->Equals(v8::String::NewFromUtf8(isolate, "local")));
7132 // Get the value of the first local variable. If the function
7133 // is optimized the value will be undefined, otherwise it will
7136 // TODO(3141533): We should be able to get the real value for
7137 // optimized frames.
7138 result = frame_local_value->Call(exec_state, argc, argv);
7139 CHECK(result->IsUndefined() || (result->Int32Value() == 42));
7146 static void ScheduleBreak(const v8::FunctionCallbackInfo<v8::Value>& args) {
7147 v8::Debug::SetDebugEventListener(DebugEventBreakWithOptimizedStack);
7148 v8::Debug::DebugBreak(args.GetIsolate());
7152 TEST(DebugBreakStackInspection) {
7153 DebugLocalContext env;
7154 v8::HandleScope scope(env->GetIsolate());
7156 frame_function_name =
7157 CompileFunction(&env, frame_function_name_source, "frame_function_name");
7158 frame_argument_name =
7159 CompileFunction(&env, frame_argument_name_source, "frame_argument_name");
7160 frame_argument_value = CompileFunction(&env,
7161 frame_argument_value_source,
7162 "frame_argument_value");
7164 CompileFunction(&env, frame_local_name_source, "frame_local_name");
7166 CompileFunction(&env, frame_local_value_source, "frame_local_value");
7168 v8::Handle<v8::FunctionTemplate> schedule_break_template =
7169 v8::FunctionTemplate::New(env->GetIsolate(), ScheduleBreak);
7170 v8::Handle<v8::Function> schedule_break =
7171 schedule_break_template->GetFunction();
7172 env->Global()->Set(v8_str("scheduleBreak"), schedule_break);
7175 "function loop(count) {"
7177 " if (count < 1) { scheduleBreak(); loop(count + 1); }"
7180 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), src))->Run();
7184 // Test that setting the terminate execution flag during debug break processing.
7185 static void TestDebugBreakInLoop(const char* loop_head,
7186 const char** loop_bodies,
7187 const char* loop_tail) {
7188 // Receive 100 breaks for each test and then terminate JavaScript execution.
7189 static const int kBreaksPerTest = 100;
7191 for (int i = 0; loop_bodies[i] != NULL; i++) {
7192 // Perform a lazy deoptimization after various numbers of breaks
7194 for (int j = 0; j < 7; j++) {
7195 break_point_hit_count_deoptimize = j;
7197 break_point_hit_count_deoptimize = kBreaksPerTest;
7200 break_point_hit_count = 0;
7201 max_break_point_hit_count = kBreaksPerTest;
7202 terminate_after_max_break_point_hit = true;
7204 EmbeddedVector<char, 1024> buffer;
7206 "function f() {%s%s%s}",
7207 loop_head, loop_bodies[i], loop_tail);
7209 // Function with infinite loop.
7210 CompileRun(buffer.start());
7212 // Set the debug break to enter the debugger as soon as possible.
7213 v8::Debug::DebugBreak(CcTest::isolate());
7215 // Call function with infinite loop.
7217 CHECK_EQ(kBreaksPerTest, break_point_hit_count);
7219 CHECK(!v8::V8::IsExecutionTerminating());
7225 TEST(DebugBreakLoop) {
7226 DebugLocalContext env;
7227 v8::HandleScope scope(env->GetIsolate());
7229 // Register a debug event listener which sets the break flag and counts.
7230 v8::Debug::SetDebugEventListener(DebugEventBreakMax);
7232 // Create a function for getting the frame count when hitting the break.
7233 frame_count = CompileFunction(&env, frame_count_source, "frame_count");
7235 CompileRun("var a = 1;");
7236 CompileRun("function g() { }");
7237 CompileRun("function h() { }");
7239 const char* loop_bodies[] = {
7242 "if (a == 0) { g() }",
7243 "if (a == 1) { g() }",
7244 "if (a == 0) { g() } else { h() }",
7245 "if (a == 0) { continue }",
7246 "if (a == 1) { continue }",
7247 "switch (a) { case 1: g(); }",
7248 "switch (a) { case 1: continue; }",
7249 "switch (a) { case 1: g(); break; default: h() }",
7250 "switch (a) { case 1: continue; break; default: h() }",
7254 TestDebugBreakInLoop("while (true) {", loop_bodies, "}");
7255 TestDebugBreakInLoop("while (a == 1) {", loop_bodies, "}");
7257 TestDebugBreakInLoop("do {", loop_bodies, "} while (true)");
7258 TestDebugBreakInLoop("do {", loop_bodies, "} while (a == 1)");
7260 TestDebugBreakInLoop("for (;;) {", loop_bodies, "}");
7261 TestDebugBreakInLoop("for (;a == 1;) {", loop_bodies, "}");
7263 // Get rid of the debug event listener.
7264 v8::Debug::SetDebugEventListener(NULL);
7265 CheckDebuggerUnloaded();
7269 v8::Local<v8::Script> inline_script;
7271 static void DebugBreakInlineListener(
7272 const v8::Debug::EventDetails& event_details) {
7273 v8::DebugEvent event = event_details.GetEvent();
7274 if (event != v8::Break) return;
7276 int expected_frame_count = 4;
7277 int expected_line_number[] = {1, 4, 7, 12};
7279 i::Handle<i::Object> compiled_script = v8::Utils::OpenHandle(*inline_script);
7280 i::Handle<i::Script> source_script = i::Handle<i::Script>(i::Script::cast(
7281 i::JSFunction::cast(*compiled_script)->shared()->script()));
7283 int break_id = CcTest::i_isolate()->debug()->break_id();
7285 i::Vector<char> script_vector(script, sizeof(script));
7286 SNPrintF(script_vector, "%%GetFrameCount(%d)", break_id);
7287 v8::Local<v8::Value> result = CompileRun(script);
7289 int frame_count = result->Int32Value();
7290 CHECK_EQ(expected_frame_count, frame_count);
7292 for (int i = 0; i < frame_count; i++) {
7293 // The 5. element in the returned array of GetFrameDetails contains the
7294 // source position of that frame.
7295 SNPrintF(script_vector, "%%GetFrameDetails(%d, %d)[5]", break_id, i);
7296 v8::Local<v8::Value> result = CompileRun(script);
7297 CHECK_EQ(expected_line_number[i],
7298 i::Script::GetLineNumber(source_script, result->Int32Value()));
7300 v8::Debug::SetDebugEventListener(NULL);
7301 v8::V8::TerminateExecution(CcTest::isolate());
7305 TEST(DebugBreakInline) {
7306 i::FLAG_allow_natives_syntax = true;
7307 DebugLocalContext env;
7308 v8::HandleScope scope(env->GetIsolate());
7309 const char* source =
7310 "function debug(b) { \n"
7311 " if (b) debugger; \n"
7313 "function f(b) { \n"
7316 "function g(b) { \n"
7321 "%OptimizeFunctionOnNextCall(g); \n"
7323 v8::Debug::SetDebugEventListener(DebugBreakInlineListener);
7325 v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), source));
7326 inline_script->Run();
7330 static void DebugEventStepNext(
7331 const v8::Debug::EventDetails& event_details) {
7332 v8::DebugEvent event = event_details.GetEvent();
7333 if (event == v8::Break) {
7334 PrepareStep(StepNext);
7339 static void RunScriptInANewCFrame(const char* source) {
7340 v8::TryCatch try_catch;
7342 CHECK(try_catch.HasCaught());
7346 TEST(Regress131642) {
7348 // When doing StepNext through the first script, the debugger is not reset
7349 // after exiting through exception. A flawed implementation enabling the
7350 // debugger to step into Array.prototype.forEach breaks inside the callback
7351 // for forEach in the second script under the assumption that we are in a
7352 // recursive call. In an attempt to step out, we crawl the stack using the
7353 // recorded frame pointer from the first script and fail when not finding it
7355 DebugLocalContext env;
7356 v8::HandleScope scope(env->GetIsolate());
7357 v8::Debug::SetDebugEventListener(DebugEventStepNext);
7359 // We step through the first script. It exits through an exception. We run
7360 // this inside a new frame to record a different FP than the second script
7362 const char* script_1 = "debugger; throw new Error();";
7363 RunScriptInANewCFrame(script_1);
7365 // The second script uses forEach.
7366 const char* script_2 = "[0].forEach(function() { });";
7367 CompileRun(script_2);
7369 v8::Debug::SetDebugEventListener(NULL);
7373 // Import from test-heap.cc
7374 int CountNativeContexts();
7377 static void NopListener(const v8::Debug::EventDetails& event_details) {
7381 TEST(DebuggerCreatesContextIffActive) {
7382 DebugLocalContext env;
7383 v8::HandleScope scope(env->GetIsolate());
7384 CHECK_EQ(1, CountNativeContexts());
7386 v8::Debug::SetDebugEventListener(NULL);
7387 CompileRun("debugger;");
7388 CHECK_EQ(1, CountNativeContexts());
7390 v8::Debug::SetDebugEventListener(NopListener);
7391 CompileRun("debugger;");
7392 CHECK_EQ(2, CountNativeContexts());
7394 v8::Debug::SetDebugEventListener(NULL);
7398 TEST(LiveEditEnabled) {
7399 v8::internal::FLAG_allow_natives_syntax = true;
7401 v8::HandleScope scope(env->GetIsolate());
7402 v8::Debug::SetLiveEditEnabled(env->GetIsolate(), true);
7403 CompileRun("%LiveEditCompareStrings('', '')");
7407 TEST(LiveEditDisabled) {
7408 v8::internal::FLAG_allow_natives_syntax = true;
7410 v8::HandleScope scope(env->GetIsolate());
7411 v8::Debug::SetLiveEditEnabled(env->GetIsolate(), false);
7412 CompileRun("%LiveEditCompareStrings('', '')");
7416 TEST(PrecompiledFunction) {
7417 // Regression test for crbug.com/346207. If we have preparse data, parsing the
7418 // function in the presence of the debugger (and breakpoints) should still
7419 // succeed. The bug was that preparsing was done lazily and parsing was done
7420 // eagerly, so, the symbol streams didn't match.
7421 DebugLocalContext env;
7422 v8::HandleScope scope(env->GetIsolate());
7424 v8::Debug::SetDebugEventListener(DebugBreakInlineListener);
7426 v8::Local<v8::Function> break_here =
7427 CompileFunction(&env, "function break_here(){}", "break_here");
7428 SetBreakPoint(break_here, 0);
7430 const char* source =
7431 "var a = b = c = 1; \n"
7432 "function this_is_lazy() { \n"
7433 // This symbol won't appear in the preparse data.
7436 "function bar() { \n"
7437 " return \"bar\"; \n"
7441 v8::Local<v8::Value> result = ParserCacheCompileRun(source);
7442 CHECK(result->IsString());
7443 v8::String::Utf8Value utf8(result);
7444 CHECK_EQ(0, strcmp("bar", *utf8));
7446 v8::Debug::SetDebugEventListener(NULL);
7447 CheckDebuggerUnloaded();
7451 static void DebugBreakStackTraceListener(
7452 const v8::Debug::EventDetails& event_details) {
7453 v8::StackTrace::CurrentStackTrace(CcTest::isolate(), 10);
7457 static void AddDebugBreak(const v8::FunctionCallbackInfo<v8::Value>& args) {
7458 v8::Debug::DebugBreak(args.GetIsolate());
7462 TEST(DebugBreakStackTrace) {
7463 DebugLocalContext env;
7464 v8::HandleScope scope(env->GetIsolate());
7465 v8::Debug::SetDebugEventListener(DebugBreakStackTraceListener);
7466 v8::Handle<v8::FunctionTemplate> add_debug_break_template =
7467 v8::FunctionTemplate::New(env->GetIsolate(), AddDebugBreak);
7468 v8::Handle<v8::Function> add_debug_break =
7469 add_debug_break_template->GetFunction();
7470 env->Global()->Set(v8_str("add_debug_break"), add_debug_break);
7472 CompileRun("(function loop() {"
7473 " for (var j = 0; j < 1000; j++) {"
7474 " for (var i = 0; i < 1000; i++) {"
7475 " if (i == 999) add_debug_break();"
7482 v8::base::Semaphore terminate_requested_semaphore(0);
7483 v8::base::Semaphore terminate_fired_semaphore(0);
7484 bool terminate_already_fired = false;
7487 static void DebugBreakTriggerTerminate(
7488 const v8::Debug::EventDetails& event_details) {
7489 if (event_details.GetEvent() != v8::Break || terminate_already_fired) return;
7490 terminate_requested_semaphore.Signal();
7491 // Wait for at most 2 seconds for the terminate request.
7492 CHECK(terminate_fired_semaphore.WaitFor(v8::base::TimeDelta::FromSeconds(2)));
7493 terminate_already_fired = true;
7497 class TerminationThread : public v8::base::Thread {
7499 explicit TerminationThread(v8::Isolate* isolate)
7500 : Thread(Options("terminator")), isolate_(isolate) {}
7502 virtual void Run() {
7503 terminate_requested_semaphore.Wait();
7504 v8::V8::TerminateExecution(isolate_);
7505 terminate_fired_semaphore.Signal();
7509 v8::Isolate* isolate_;
7513 TEST(DebugBreakOffThreadTerminate) {
7514 DebugLocalContext env;
7515 v8::Isolate* isolate = env->GetIsolate();
7516 v8::HandleScope scope(isolate);
7517 v8::Debug::SetDebugEventListener(DebugBreakTriggerTerminate);
7518 TerminationThread terminator(isolate);
7520 v8::TryCatch try_catch;
7521 v8::Debug::DebugBreak(isolate);
7522 CompileRun("while (true);");
7523 CHECK(try_catch.HasTerminated());
7527 static void DebugEventExpectNoException(
7528 const v8::Debug::EventDetails& event_details) {
7529 v8::DebugEvent event = event_details.GetEvent();
7530 CHECK_NE(v8::Exception, event);
7534 static void TryCatchWrappedThrowCallback(
7535 const v8::FunctionCallbackInfo<v8::Value>& args) {
7536 v8::TryCatch try_catch;
7537 CompileRun("throw 'rejection';");
7538 CHECK(try_catch.HasCaught());
7542 TEST(DebugPromiseInterceptedByTryCatch) {
7543 DebugLocalContext env;
7544 v8::Isolate* isolate = env->GetIsolate();
7545 v8::HandleScope scope(isolate);
7546 v8::Debug::SetDebugEventListener(&DebugEventExpectNoException);
7547 ChangeBreakOnException(false, true);
7549 v8::Handle<v8::FunctionTemplate> fun =
7550 v8::FunctionTemplate::New(isolate, TryCatchWrappedThrowCallback);
7551 env->Global()->Set(v8_str("fun"), fun->GetFunction());
7553 CompileRun("var p = new Promise(function(res, rej) { fun(); res(); });");
7556 "p.chain(function() { r = 'resolved'; },"
7557 " function() { r = 'rejected'; });");
7558 CHECK(CompileRun("r")->Equals(v8_str("resolved")));
7562 static int exception_event_counter = 0;
7565 static void DebugEventCountException(
7566 const v8::Debug::EventDetails& event_details) {
7567 v8::DebugEvent event = event_details.GetEvent();
7568 if (event == v8::Exception) exception_event_counter++;
7572 static void ThrowCallback(const v8::FunctionCallbackInfo<v8::Value>& args) {
7573 CompileRun("throw 'rejection';");
7577 TEST(DebugPromiseRejectedByCallback) {
7578 DebugLocalContext env;
7579 v8::Isolate* isolate = env->GetIsolate();
7580 v8::HandleScope scope(isolate);
7581 v8::Debug::SetDebugEventListener(&DebugEventCountException);
7582 ChangeBreakOnException(false, true);
7583 exception_event_counter = 0;
7585 v8::Handle<v8::FunctionTemplate> fun =
7586 v8::FunctionTemplate::New(isolate, ThrowCallback);
7587 env->Global()->Set(v8_str("fun"), fun->GetFunction());
7589 CompileRun("var p = new Promise(function(res, rej) { fun(); res(); });");
7592 "p.chain(function() { r = 'resolved'; },"
7593 " function(e) { r = 'rejected' + e; });");
7594 CHECK(CompileRun("r")->Equals(v8_str("rejectedrejection")));
7595 CHECK_EQ(1, exception_event_counter);
7599 TEST(DebugBreakOnExceptionInObserveCallback) {
7600 DebugLocalContext env;
7601 v8::Isolate* isolate = env->GetIsolate();
7602 v8::HandleScope scope(isolate);
7603 v8::Debug::SetDebugEventListener(&DebugEventCountException);
7604 // Break on uncaught exception
7605 ChangeBreakOnException(false, true);
7606 exception_event_counter = 0;
7608 v8::Handle<v8::FunctionTemplate> fun =
7609 v8::FunctionTemplate::New(isolate, ThrowCallback);
7610 env->Global()->Set(v8_str("fun"), fun->GetFunction());
7614 "var callbackRan = false;"
7615 "Object.observe(obj, function() {"
7616 " callbackRan = true;"
7617 " throw Error('foo');"
7620 CHECK(CompileRun("callbackRan")->BooleanValue());
7621 CHECK_EQ(1, exception_event_counter);
7625 static void DebugHarmonyScopingListener(
7626 const v8::Debug::EventDetails& event_details) {
7627 v8::DebugEvent event = event_details.GetEvent();
7628 if (event != v8::Break) return;
7630 int break_id = CcTest::i_isolate()->debug()->break_id();
7633 i::Vector<char> script_vector(script, sizeof(script));
7634 SNPrintF(script_vector, "%%GetFrameCount(%d)", break_id);
7635 ExpectInt32(script, 1);
7637 SNPrintF(script_vector, "var frame = new FrameMirror(%d, 0);", break_id);
7639 ExpectInt32("frame.evaluate('x').value_", 1);
7640 ExpectInt32("frame.evaluate('y').value_", 2);
7642 CompileRun("var allScopes = frame.allScopes()");
7643 ExpectInt32("allScopes.length", 2);
7645 ExpectBoolean("allScopes[0].scopeType() === ScopeType.Script", true);
7647 ExpectInt32("allScopes[0].scopeObject().value_.x", 1);
7649 ExpectInt32("allScopes[0].scopeObject().value_.y", 2);
7651 CompileRun("allScopes[0].setVariableValue('x', 5);");
7652 CompileRun("allScopes[0].setVariableValue('y', 6);");
7653 ExpectInt32("frame.evaluate('x + y').value_", 11);
7657 TEST(DebugBreakInLexicalScopes) {
7658 i::FLAG_harmony_scoping = true;
7659 i::FLAG_allow_natives_syntax = true;
7661 DebugLocalContext env;
7662 v8::Isolate* isolate = env->GetIsolate();
7663 v8::HandleScope scope(isolate);
7664 v8::Debug::SetDebugEventListener(DebugHarmonyScopingListener);