// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#include "v8.h"
-#include "platform.h"
-#include "cctest.h"
+#include "src/v8.h"
+#include "test/cctest/cctest.h"
+#include "src/base/platform/platform.h"
-v8::internal::Semaphore* semaphore = NULL;
+v8::base::Semaphore* semaphore = NULL;
-v8::Handle<v8::Value> Signal(const v8::Arguments& args) {
+
+void Signal(const v8::FunctionCallbackInfo<v8::Value>& args) {
semaphore->Signal();
- return v8::Undefined();
}
-v8::Handle<v8::Value> TerminateCurrentThread(const v8::Arguments& args) {
- CHECK(!v8::V8::IsExecutionTerminating());
- v8::V8::TerminateExecution();
- return v8::Undefined();
+void TerminateCurrentThread(const v8::FunctionCallbackInfo<v8::Value>& args) {
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::V8::TerminateExecution(args.GetIsolate());
}
-v8::Handle<v8::Value> Fail(const v8::Arguments& args) {
+void Fail(const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK(false);
- return v8::Undefined();
}
-v8::Handle<v8::Value> Loop(const v8::Arguments& args) {
- CHECK(!v8::V8::IsExecutionTerminating());
- v8::Handle<v8::String> source =
- v8::String::New("try { doloop(); fail(); } catch(e) { fail(); }");
+void Loop(const v8::FunctionCallbackInfo<v8::Value>& args) {
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+ args.GetIsolate(), "try { doloop(); fail(); } catch(e) { fail(); }");
v8::Handle<v8::Value> result = v8::Script::Compile(source)->Run();
CHECK(result.IsEmpty());
- CHECK(v8::V8::IsExecutionTerminating());
- return v8::Undefined();
+ CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate()));
}
-v8::Handle<v8::Value> DoLoop(const v8::Arguments& args) {
+void DoLoop(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::TryCatch try_catch;
- CHECK(!v8::V8::IsExecutionTerminating());
- v8::Script::Compile(v8::String::New("function f() {"
- " var term = true;"
- " try {"
- " while(true) {"
- " if (term) terminate();"
- " term = false;"
- " }"
- " fail();"
- " } catch(e) {"
- " fail();"
- " }"
- "}"
- "f()"))->Run();
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(),
+ "function f() {"
+ " var term = true;"
+ " try {"
+ " while(true) {"
+ " if (term) terminate();"
+ " term = false;"
+ " }"
+ " fail();"
+ " } catch(e) {"
+ " fail();"
+ " }"
+ "}"
+ "f()"))->Run();
CHECK(try_catch.HasCaught());
CHECK(try_catch.Exception()->IsNull());
CHECK(try_catch.Message().IsEmpty());
CHECK(!try_catch.CanContinue());
- CHECK(v8::V8::IsExecutionTerminating());
- return v8::Undefined();
+ CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate()));
}
-v8::Handle<v8::Value> DoLoopNoCall(const v8::Arguments& args) {
+void DoLoopNoCall(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::TryCatch try_catch;
- CHECK(!v8::V8::IsExecutionTerminating());
- v8::Script::Compile(v8::String::New("var term = true;"
- "while(true) {"
- " if (term) terminate();"
- " term = false;"
- "}"))->Run();
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(),
+ "var term = true;"
+ "while(true) {"
+ " if (term) terminate();"
+ " term = false;"
+ "}"))->Run();
CHECK(try_catch.HasCaught());
CHECK(try_catch.Exception()->IsNull());
CHECK(try_catch.Message().IsEmpty());
CHECK(!try_catch.CanContinue());
- CHECK(v8::V8::IsExecutionTerminating());
- return v8::Undefined();
+ CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate()));
}
v8::Handle<v8::ObjectTemplate> CreateGlobalTemplate(
- v8::InvocationCallback terminate,
- v8::InvocationCallback doloop) {
- v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
- global->Set(v8::String::New("terminate"),
- v8::FunctionTemplate::New(terminate));
- global->Set(v8::String::New("fail"), v8::FunctionTemplate::New(Fail));
- global->Set(v8::String::New("loop"), v8::FunctionTemplate::New(Loop));
- global->Set(v8::String::New("doloop"), v8::FunctionTemplate::New(doloop));
+ v8::Isolate* isolate,
+ v8::FunctionCallback terminate,
+ v8::FunctionCallback doloop) {
+ v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
+ global->Set(v8::String::NewFromUtf8(isolate, "terminate"),
+ v8::FunctionTemplate::New(isolate, terminate));
+ global->Set(v8::String::NewFromUtf8(isolate, "fail"),
+ v8::FunctionTemplate::New(isolate, Fail));
+ global->Set(v8::String::NewFromUtf8(isolate, "loop"),
+ v8::FunctionTemplate::New(isolate, Loop));
+ global->Set(v8::String::NewFromUtf8(isolate, "doloop"),
+ v8::FunctionTemplate::New(isolate, doloop));
return global;
}
// Test that a single thread of JavaScript execution can terminate
// itself.
TEST(TerminateOnlyV8ThreadFromThreadItself) {
- v8::HandleScope scope(v8::Isolate::GetCurrent());
+ v8::HandleScope scope(CcTest::isolate());
v8::Handle<v8::ObjectTemplate> global =
- CreateGlobalTemplate(TerminateCurrentThread, DoLoop);
- v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
+ CreateGlobalTemplate(CcTest::isolate(), TerminateCurrentThread, DoLoop);
+ v8::Handle<v8::Context> context =
+ v8::Context::New(CcTest::isolate(), NULL, global);
v8::Context::Scope context_scope(context);
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
// Run a loop that will be infinite if thread termination does not work.
- v8::Handle<v8::String> source =
- v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
+ v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+ CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }");
v8::Script::Compile(source)->Run();
// Test that we can run the code again after thread termination.
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
v8::Script::Compile(source)->Run();
- context.Dispose(context->GetIsolate());
}
// Test that a single thread of JavaScript execution can terminate
// itself in a loop that performs no calls.
TEST(TerminateOnlyV8ThreadFromThreadItselfNoLoop) {
- v8::HandleScope scope(v8::Isolate::GetCurrent());
- v8::Handle<v8::ObjectTemplate> global =
- CreateGlobalTemplate(TerminateCurrentThread, DoLoopNoCall);
- v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
+ v8::HandleScope scope(CcTest::isolate());
+ v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(
+ CcTest::isolate(), TerminateCurrentThread, DoLoopNoCall);
+ v8::Handle<v8::Context> context =
+ v8::Context::New(CcTest::isolate(), NULL, global);
v8::Context::Scope context_scope(context);
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
// Run a loop that will be infinite if thread termination does not work.
- v8::Handle<v8::String> source =
- v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
+ v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+ CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }");
v8::Script::Compile(source)->Run();
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
// Test that we can run the code again after thread termination.
v8::Script::Compile(source)->Run();
- context.Dispose(context->GetIsolate());
}
-class TerminatorThread : public v8::internal::Thread {
+class TerminatorThread : public v8::base::Thread {
public:
explicit TerminatorThread(i::Isolate* isolate)
- : Thread("TerminatorThread"),
- isolate_(reinterpret_cast<v8::Isolate*>(isolate)) { }
+ : Thread(Options("TerminatorThread")),
+ isolate_(reinterpret_cast<v8::Isolate*>(isolate)) {}
void Run() {
semaphore->Wait();
CHECK(!v8::V8::IsExecutionTerminating(isolate_));
// Test that a single thread of JavaScript execution can be terminated
// from the side by another thread.
TEST(TerminateOnlyV8ThreadFromOtherThread) {
- semaphore = v8::internal::OS::CreateSemaphore(0);
- TerminatorThread thread(i::Isolate::Current());
+ semaphore = new v8::base::Semaphore(0);
+ TerminatorThread thread(CcTest::i_isolate());
thread.Start();
- v8::HandleScope scope(v8::Isolate::GetCurrent());
- v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(Signal, DoLoop);
- v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
+ v8::HandleScope scope(CcTest::isolate());
+ v8::Handle<v8::ObjectTemplate> global =
+ CreateGlobalTemplate(CcTest::isolate(), Signal, DoLoop);
+ v8::Handle<v8::Context> context =
+ v8::Context::New(CcTest::isolate(), NULL, global);
v8::Context::Scope context_scope(context);
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
// Run a loop that will be infinite if thread termination does not work.
- v8::Handle<v8::String> source =
- v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
+ v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+ CcTest::isolate(), "try { loop(); fail(); } catch(e) { fail(); }");
+ i::FLAG_turbo_osr = false; // TODO(titzer): interrupts in TF loops.
v8::Script::Compile(source)->Run();
thread.Join();
delete semaphore;
semaphore = NULL;
- context.Dispose(context->GetIsolate());
-}
-
-
-class LoopingThread : public v8::internal::Thread {
- public:
- LoopingThread() : Thread("LoopingThread") { }
- void Run() {
- v8::Locker locker(CcTest::default_isolate());
- v8::HandleScope scope(CcTest::default_isolate());
- v8_thread_id_ = v8::V8::GetCurrentThreadId();
- v8::Handle<v8::ObjectTemplate> global =
- CreateGlobalTemplate(Signal, DoLoop);
- v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
- v8::Context::Scope context_scope(context);
- CHECK(!v8::V8::IsExecutionTerminating());
- // Run a loop that will be infinite if thread termination does not work.
- v8::Handle<v8::String> source =
- v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
- v8::Script::Compile(source)->Run();
- context.Dispose(context->GetIsolate());
- }
-
- int GetV8ThreadId() { return v8_thread_id_; }
-
- private:
- int v8_thread_id_;
-};
-
-
-// Test that multiple threads using default isolate can be terminated
-// from another thread when using Lockers and preemption.
-TEST(TerminateMultipleV8ThreadsDefaultIsolate) {
- {
- v8::Locker locker(CcTest::default_isolate());
- v8::V8::Initialize();
- v8::Locker::StartPreemption(1);
- semaphore = v8::internal::OS::CreateSemaphore(0);
- }
- const int kThreads = 2;
- i::List<LoopingThread*> threads(kThreads);
- for (int i = 0; i < kThreads; i++) {
- threads.Add(new LoopingThread());
- }
- for (int i = 0; i < kThreads; i++) {
- threads[i]->Start();
- }
- // Wait until all threads have signaled the semaphore.
- for (int i = 0; i < kThreads; i++) {
- semaphore->Wait();
- }
- {
- v8::Locker locker(CcTest::default_isolate());
- for (int i = 0; i < kThreads; i++) {
- v8::V8::TerminateExecution(threads[i]->GetV8ThreadId());
- }
- }
- for (int i = 0; i < kThreads; i++) {
- threads[i]->Join();
- delete threads[i];
- }
- {
- v8::Locker locker(CcTest::default_isolate());
- v8::Locker::StopPreemption();
- }
-
- delete semaphore;
- semaphore = NULL;
}
int call_count = 0;
-v8::Handle<v8::Value> TerminateOrReturnObject(const v8::Arguments& args) {
+void TerminateOrReturnObject(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (++call_count == 10) {
- CHECK(!v8::V8::IsExecutionTerminating());
- v8::V8::TerminateExecution();
- return v8::Undefined();
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::V8::TerminateExecution(args.GetIsolate());
+ return;
}
- v8::Local<v8::Object> result = v8::Object::New();
- result->Set(v8::String::New("x"), v8::Integer::New(42));
- return result;
+ v8::Local<v8::Object> result = v8::Object::New(args.GetIsolate());
+ result->Set(v8::String::NewFromUtf8(args.GetIsolate(), "x"),
+ v8::Integer::New(args.GetIsolate(), 42));
+ args.GetReturnValue().Set(result);
}
-v8::Handle<v8::Value> LoopGetProperty(const v8::Arguments& args) {
+void LoopGetProperty(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::TryCatch try_catch;
- CHECK(!v8::V8::IsExecutionTerminating());
- v8::Script::Compile(v8::String::New("function f() {"
- " try {"
- " while(true) {"
- " terminate_or_return_object().x;"
- " }"
- " fail();"
- " } catch(e) {"
- " fail();"
- " }"
- "}"
- "f()"))->Run();
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::Script::Compile(
+ v8::String::NewFromUtf8(args.GetIsolate(),
+ "function f() {"
+ " try {"
+ " while(true) {"
+ " terminate_or_return_object().x;"
+ " }"
+ " fail();"
+ " } catch(e) {"
+ " (function() {})();" // trigger stack check.
+ " fail();"
+ " }"
+ "}"
+ "f()"))->Run();
CHECK(try_catch.HasCaught());
CHECK(try_catch.Exception()->IsNull());
CHECK(try_catch.Message().IsEmpty());
CHECK(!try_catch.CanContinue());
- CHECK(v8::V8::IsExecutionTerminating());
- return v8::Undefined();
+ CHECK(v8::V8::IsExecutionTerminating(args.GetIsolate()));
}
// Test that we correctly handle termination exceptions if they are
// triggered by the creation of error objects in connection with ICs.
TEST(TerminateLoadICException) {
- v8::HandleScope scope(v8::Isolate::GetCurrent());
- v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
- global->Set(v8::String::New("terminate_or_return_object"),
- v8::FunctionTemplate::New(TerminateOrReturnObject));
- global->Set(v8::String::New("fail"), v8::FunctionTemplate::New(Fail));
- global->Set(v8::String::New("loop"),
- v8::FunctionTemplate::New(LoopGetProperty));
-
- v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
+ global->Set(
+ v8::String::NewFromUtf8(isolate, "terminate_or_return_object"),
+ v8::FunctionTemplate::New(isolate, TerminateOrReturnObject));
+ global->Set(v8::String::NewFromUtf8(isolate, "fail"),
+ v8::FunctionTemplate::New(isolate, Fail));
+ global->Set(v8::String::NewFromUtf8(isolate, "loop"),
+ v8::FunctionTemplate::New(isolate, LoopGetProperty));
+
+ v8::Handle<v8::Context> context =
+ v8::Context::New(isolate, NULL, global);
v8::Context::Scope context_scope(context);
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
// Run a loop that will be infinite if thread termination does not work.
- v8::Handle<v8::String> source =
- v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
+ v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+ isolate, "try { loop(); fail(); } catch(e) { fail(); }");
call_count = 0;
v8::Script::Compile(source)->Run();
// Test that we can run the code again after thread termination.
- CHECK(!v8::V8::IsExecutionTerminating());
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
call_count = 0;
v8::Script::Compile(source)->Run();
- context.Dispose(context->GetIsolate());
}
-v8::Handle<v8::Value> ReenterAfterTermination(const v8::Arguments& args) {
+
+v8::Persistent<v8::String> reenter_script_1;
+v8::Persistent<v8::String> reenter_script_2;
+
+void ReenterAfterTermination(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::TryCatch try_catch;
+ v8::Isolate* isolate = args.GetIsolate();
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
+ v8::Local<v8::String> script =
+ v8::Local<v8::String>::New(isolate, reenter_script_1);
+ v8::Script::Compile(script)->Run();
+ CHECK(try_catch.HasCaught());
+ CHECK(try_catch.Exception()->IsNull());
+ CHECK(try_catch.Message().IsEmpty());
+ CHECK(!try_catch.CanContinue());
+ CHECK(v8::V8::IsExecutionTerminating(isolate));
+ script = v8::Local<v8::String>::New(isolate, reenter_script_2);
+ v8::Script::Compile(script)->Run();
+}
+
+
+// Test that reentry into V8 while the termination exception is still pending
+// (has not yet unwound the 0-level JS frame) does not crash.
+TEST(TerminateAndReenterFromThreadItself) {
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(
+ isolate, TerminateCurrentThread, ReenterAfterTermination);
+ v8::Handle<v8::Context> context =
+ v8::Context::New(isolate, NULL, global);
+ v8::Context::Scope context_scope(context);
CHECK(!v8::V8::IsExecutionTerminating());
- v8::Script::Compile(v8::String::New("function f() {"
+ // Create script strings upfront as it won't work when terminating.
+ reenter_script_1.Reset(isolate, v8_str(
+ "function f() {"
" var term = true;"
" try {"
" while(true) {"
" fail();"
" }"
"}"
- "f()"))->Run();
+ "f()"));
+ reenter_script_2.Reset(isolate, v8_str("function f() { fail(); } f()"));
+ CompileRun("try { loop(); fail(); } catch(e) { fail(); }");
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
+ // Check we can run JS again after termination.
+ CHECK(CompileRun("function f() { return true; } f()")->IsTrue());
+ reenter_script_1.Reset();
+ reenter_script_2.Reset();
+}
+
+
+void DoLoopCancelTerminate(const v8::FunctionCallbackInfo<v8::Value>& args) {
+ v8::TryCatch try_catch;
+ CHECK(!v8::V8::IsExecutionTerminating());
+ v8::Script::Compile(v8::String::NewFromUtf8(args.GetIsolate(),
+ "var term = true;"
+ "while(true) {"
+ " if (term) terminate();"
+ " term = false;"
+ "}"
+ "fail();"))->Run();
CHECK(try_catch.HasCaught());
CHECK(try_catch.Exception()->IsNull());
CHECK(try_catch.Message().IsEmpty());
CHECK(!try_catch.CanContinue());
CHECK(v8::V8::IsExecutionTerminating());
- v8::Script::Compile(v8::String::New("function f() { fail(); } f()"))->Run();
- return v8::Undefined();
+ CHECK(try_catch.HasTerminated());
+ v8::V8::CancelTerminateExecution(CcTest::isolate());
+ CHECK(!v8::V8::IsExecutionTerminating());
}
-// Test that reentry into V8 while the termination exception is still pending
-// (has not yet unwound the 0-level JS frame) does not crash.
-TEST(TerminateAndReenterFromThreadItself) {
- v8::HandleScope scope(v8::Isolate::GetCurrent());
+
+// Test that a single thread of JavaScript execution can terminate
+// itself and then resume execution.
+TEST(TerminateCancelTerminateFromThreadItself) {
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(
+ isolate, TerminateCurrentThread, DoLoopCancelTerminate);
+ v8::Handle<v8::Context> context = v8::Context::New(isolate, NULL, global);
+ v8::Context::Scope context_scope(context);
+ CHECK(!v8::V8::IsExecutionTerminating(CcTest::isolate()));
+ v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+ isolate, "try { doloop(); } catch(e) { fail(); } 'completed';");
+ // Check that execution completed with correct return value.
+ CHECK(v8::Script::Compile(source)->Run()->Equals(v8_str("completed")));
+}
+
+
+void MicrotaskShouldNotRun(const v8::FunctionCallbackInfo<v8::Value>& info) {
+ CHECK(false);
+}
+
+
+void MicrotaskLoopForever(const v8::FunctionCallbackInfo<v8::Value>& info) {
+ v8::Isolate* isolate = info.GetIsolate();
+ v8::HandleScope scope(isolate);
+ // Enqueue another should-not-run task to ensure we clean out the queue
+ // when we terminate.
+ isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskShouldNotRun));
+ i::FLAG_turbo_osr = false; // TODO(titzer): interrupts in TF loops.
+ CompileRun("terminate(); while (true) { }");
+ CHECK(v8::V8::IsExecutionTerminating());
+}
+
+
+TEST(TerminateFromOtherThreadWhileMicrotaskRunning) {
+ semaphore = new v8::base::Semaphore(0);
+ TerminatorThread thread(CcTest::i_isolate());
+ thread.Start();
+
+ v8::Isolate* isolate = CcTest::isolate();
+ isolate->SetAutorunMicrotasks(false);
+ v8::HandleScope scope(isolate);
v8::Handle<v8::ObjectTemplate> global =
- CreateGlobalTemplate(TerminateCurrentThread, ReenterAfterTermination);
- v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
+ CreateGlobalTemplate(CcTest::isolate(), Signal, DoLoop);
+ v8::Handle<v8::Context> context =
+ v8::Context::New(CcTest::isolate(), NULL, global);
v8::Context::Scope context_scope(context);
+ isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskLoopForever));
+ // The second task should never be run because we bail out if we're
+ // terminating.
+ isolate->EnqueueMicrotask(v8::Function::New(isolate, MicrotaskShouldNotRun));
+ isolate->RunMicrotasks();
+
+ v8::V8::CancelTerminateExecution(isolate);
+ isolate->RunMicrotasks(); // should not run MicrotaskShouldNotRun
+
+ thread.Join();
+ delete semaphore;
+ semaphore = NULL;
+}
+
+
+static int callback_counter = 0;
+
+
+static void CounterCallback(v8::Isolate* isolate, void* data) {
+ callback_counter++;
+}
+
+
+TEST(PostponeTerminateException) {
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global =
+ CreateGlobalTemplate(CcTest::isolate(), TerminateCurrentThread, DoLoop);
+ v8::Handle<v8::Context> context =
+ v8::Context::New(CcTest::isolate(), NULL, global);
+ v8::Context::Scope context_scope(context);
+
+ v8::TryCatch try_catch;
+ static const char* terminate_and_loop =
+ "terminate(); for (var i = 0; i < 10000; i++);";
+
+ { // Postpone terminate execution interrupts.
+ i::PostponeInterruptsScope p1(CcTest::i_isolate(),
+ i::StackGuard::TERMINATE_EXECUTION) ;
+
+ // API interrupts should still be triggered.
+ CcTest::isolate()->RequestInterrupt(&CounterCallback, NULL);
+ CHECK_EQ(0, callback_counter);
+ CompileRun(terminate_and_loop);
+ CHECK(!try_catch.HasTerminated());
+ CHECK_EQ(1, callback_counter);
+
+ { // Postpone API interrupts as well.
+ i::PostponeInterruptsScope p2(CcTest::i_isolate(),
+ i::StackGuard::API_INTERRUPT);
+
+ // None of the two interrupts should trigger.
+ CcTest::isolate()->RequestInterrupt(&CounterCallback, NULL);
+ CompileRun(terminate_and_loop);
+ CHECK(!try_catch.HasTerminated());
+ CHECK_EQ(1, callback_counter);
+ }
+
+ // Now the previously requested API interrupt should trigger.
+ CompileRun(terminate_and_loop);
+ CHECK(!try_catch.HasTerminated());
+ CHECK_EQ(2, callback_counter);
+ }
+
+ // Now the previously requested terminate execution interrupt should trigger.
+ CompileRun("for (var i = 0; i < 10000; i++);");
+ CHECK(try_catch.HasTerminated());
+ CHECK_EQ(2, callback_counter);
+}
+
+
+TEST(ErrorObjectAfterTermination) {
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::Context> context = v8::Context::New(CcTest::isolate());
+ v8::Context::Scope context_scope(context);
+ v8::V8::TerminateExecution(isolate);
+ v8::Local<v8::Value> error = v8::Exception::Error(v8_str("error"));
+ // TODO(yangguo): crbug/403509. Check for empty handle instead.
+ CHECK(error->IsUndefined());
+}
+
+
+void InnerTryCallTerminate(const v8::FunctionCallbackInfo<v8::Value>& args) {
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ v8::Handle<v8::Object> global = CcTest::global();
+ v8::Handle<v8::Function> loop =
+ v8::Handle<v8::Function>::Cast(global->Get(v8_str("loop")));
+ i::MaybeHandle<i::Object> result =
+ i::Execution::TryCall(v8::Utils::OpenHandle((*loop)),
+ v8::Utils::OpenHandle((*global)), 0, NULL, NULL);
+ CHECK(result.is_null());
+ // TryCall ignores terminate execution, but rerequests the interrupt.
+ CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
+ CHECK(CompileRun("1 + 1;").IsEmpty());
+}
+
+
+TEST(TerminationInInnerTryCall) {
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global_template = CreateGlobalTemplate(
+ CcTest::isolate(), TerminateCurrentThread, DoLoopNoCall);
+ global_template->Set(
+ v8_str("inner_try_call_terminate"),
+ v8::FunctionTemplate::New(isolate, InnerTryCallTerminate));
+ v8::Handle<v8::Context> context =
+ v8::Context::New(CcTest::isolate(), NULL, global_template);
+ v8::Context::Scope context_scope(context);
+ {
+ v8::TryCatch try_catch;
+ CompileRun("inner_try_call_terminate()");
+ CHECK(try_catch.HasTerminated());
+ }
+ CHECK_EQ(4, CompileRun("2 + 2")->ToInt32()->Int32Value());
CHECK(!v8::V8::IsExecutionTerminating());
- v8::Handle<v8::String> source =
- v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
- v8::Script::Compile(source)->Run();
- CHECK(!v8::V8::IsExecutionTerminating());
- // Check we can run JS again after termination.
- CHECK(v8::Script::Compile(v8::String::New("function f() { return true; }"
- "f()"))->Run()->IsTrue());
- context.Dispose(context->GetIsolate());
+}
+
+
+TEST(TerminateAndTryCall) {
+ i::FLAG_allow_natives_syntax = true;
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(
+ isolate, TerminateCurrentThread, DoLoopCancelTerminate);
+ v8::Handle<v8::Context> context = v8::Context::New(isolate, NULL, global);
+ v8::Context::Scope context_scope(context);
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
+ v8::TryCatch try_catch;
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
+ // Terminate execution has been triggered inside TryCall, but re-requested
+ // to trigger later.
+ CHECK(CompileRun("terminate(); reference_error();").IsEmpty());
+ CHECK(try_catch.HasCaught());
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
+ CHECK(CcTest::global()->Get(v8_str("terminate"))->IsFunction());
+ // The first stack check after terminate has been re-requested fails.
+ CHECK(CompileRun("1 + 1").IsEmpty());
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
+ // V8 then recovers.
+ CHECK_EQ(4, CompileRun("2 + 2")->ToInt32()->Int32Value());
+ CHECK(!v8::V8::IsExecutionTerminating(isolate));
}