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31 #include "test/cctest/cctest.h"
34 #include "src/heap/heap.h"
35 #include "src/objects.h"
37 using namespace v8::internal;
39 static Isolate* GetIsolateFrom(LocalContext* context) {
40 return reinterpret_cast<Isolate*>((*context)->GetIsolate());
44 static int CountArrayBuffersInWeakList(Heap* heap) {
46 for (Object* o = heap->array_buffers_list();
48 o = JSArrayBuffer::cast(o)->weak_next()) {
55 static bool HasArrayBufferInWeakList(Heap* heap, JSArrayBuffer* ab) {
56 for (Object* o = heap->array_buffers_list();
58 o = JSArrayBuffer::cast(o)->weak_next()) {
59 if (ab == o) return true;
65 static int CountViews(JSArrayBuffer* array_buffer) {
67 for (Object* o = array_buffer->weak_first_view();
69 o = JSArrayBufferView::cast(o)->weak_next()) {
76 static bool HasViewInWeakList(JSArrayBuffer* array_buffer,
77 JSArrayBufferView* ta) {
78 for (Object* o = array_buffer->weak_first_view();
80 o = JSArrayBufferView::cast(o)->weak_next()) {
81 if (ta == o) return true;
87 TEST(WeakArrayBuffersFromApi) {
90 Isolate* isolate = GetIsolateFrom(&context);
92 int start = CountArrayBuffersInWeakList(isolate->heap());
94 v8::HandleScope s1(context->GetIsolate());
95 v8::Handle<v8::ArrayBuffer> ab1 =
96 v8::ArrayBuffer::New(context->GetIsolate(), 256);
98 v8::HandleScope s2(context->GetIsolate());
99 v8::Handle<v8::ArrayBuffer> ab2 =
100 v8::ArrayBuffer::New(context->GetIsolate(), 128);
102 Handle<JSArrayBuffer> iab1 = v8::Utils::OpenHandle(*ab1);
103 Handle<JSArrayBuffer> iab2 = v8::Utils::OpenHandle(*ab2);
104 CHECK_EQ(2, CountArrayBuffersInWeakList(isolate->heap()) - start);
105 CHECK(HasArrayBufferInWeakList(isolate->heap(), *iab1));
106 CHECK(HasArrayBufferInWeakList(isolate->heap(), *iab2));
108 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
109 CHECK_EQ(1, CountArrayBuffersInWeakList(isolate->heap()) - start);
111 HandleScope scope2(isolate);
112 Handle<JSArrayBuffer> iab1 = v8::Utils::OpenHandle(*ab1);
114 CHECK(HasArrayBufferInWeakList(isolate->heap(), *iab1));
118 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
119 CHECK_EQ(start, CountArrayBuffersInWeakList(isolate->heap()));
123 TEST(WeakArrayBuffersFromScript) {
124 v8::V8::Initialize();
125 LocalContext context;
126 Isolate* isolate = GetIsolateFrom(&context);
127 int start = CountArrayBuffersInWeakList(isolate->heap());
129 for (int i = 1; i <= 3; i++) {
130 // Create 3 array buffers, make i-th of them garbage,
131 // validate correct state of array buffer weak list.
132 CHECK_EQ(start, CountArrayBuffersInWeakList(isolate->heap()));
134 v8::HandleScope scope(context->GetIsolate());
137 v8::HandleScope s1(context->GetIsolate());
138 CompileRun("var ab1 = new ArrayBuffer(256);"
139 "var ab2 = new ArrayBuffer(256);"
140 "var ab3 = new ArrayBuffer(256);");
141 v8::Handle<v8::ArrayBuffer> ab1 =
142 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun("ab1"));
143 v8::Handle<v8::ArrayBuffer> ab2 =
144 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun("ab2"));
145 v8::Handle<v8::ArrayBuffer> ab3 =
146 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun("ab3"));
148 CHECK_EQ(3, CountArrayBuffersInWeakList(isolate->heap()) - start);
149 CHECK(HasArrayBufferInWeakList(isolate->heap(),
150 *v8::Utils::OpenHandle(*ab1)));
151 CHECK(HasArrayBufferInWeakList(isolate->heap(),
152 *v8::Utils::OpenHandle(*ab2)));
153 CHECK(HasArrayBufferInWeakList(isolate->heap(),
154 *v8::Utils::OpenHandle(*ab3)));
157 i::ScopedVector<char> source(1024);
158 i::SNPrintF(source, "ab%d = null;", i);
159 CompileRun(source.start());
160 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
162 CHECK_EQ(2, CountArrayBuffersInWeakList(isolate->heap()) - start);
165 v8::HandleScope s2(context->GetIsolate());
166 for (int j = 1; j <= 3; j++) {
167 if (j == i) continue;
168 i::SNPrintF(source, "ab%d", j);
169 v8::Handle<v8::ArrayBuffer> ab =
170 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun(source.start()));
171 CHECK(HasArrayBufferInWeakList(isolate->heap(),
172 *v8::Utils::OpenHandle(*ab)));
176 CompileRun("ab1 = null; ab2 = null; ab3 = null;");
179 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
180 CHECK_EQ(start, CountArrayBuffersInWeakList(isolate->heap()));
184 template <typename View>
185 void TestViewFromApi() {
186 v8::V8::Initialize();
187 LocalContext context;
188 Isolate* isolate = GetIsolateFrom(&context);
190 v8::HandleScope s1(context->GetIsolate());
191 v8::Handle<v8::ArrayBuffer> ab =
192 v8::ArrayBuffer::New(context->GetIsolate(), 2048);
193 Handle<JSArrayBuffer> iab = v8::Utils::OpenHandle(*ab);
195 v8::HandleScope s2(context->GetIsolate());
196 v8::Handle<View> ta1 = View::New(ab, 0, 256);
198 v8::HandleScope s3(context->GetIsolate());
199 v8::Handle<View> ta2 = View::New(ab, 0, 128);
201 Handle<JSArrayBufferView> ita1 = v8::Utils::OpenHandle(*ta1);
202 Handle<JSArrayBufferView> ita2 = v8::Utils::OpenHandle(*ta2);
203 CHECK_EQ(2, CountViews(*iab));
204 CHECK(HasViewInWeakList(*iab, *ita1));
205 CHECK(HasViewInWeakList(*iab, *ita2));
207 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
208 CHECK_EQ(1, CountViews(*iab));
209 Handle<JSArrayBufferView> ita1 = v8::Utils::OpenHandle(*ta1);
210 CHECK(HasViewInWeakList(*iab, *ita1));
212 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
214 CHECK_EQ(0, CountViews(*iab));
218 TEST(Uint8ArrayFromApi) {
219 TestViewFromApi<v8::Uint8Array>();
223 TEST(Int8ArrayFromApi) {
224 TestViewFromApi<v8::Int8Array>();
228 TEST(Uint16ArrayFromApi) {
229 TestViewFromApi<v8::Uint16Array>();
233 TEST(Int16ArrayFromApi) {
234 TestViewFromApi<v8::Int16Array>();
238 TEST(Uint32ArrayFromApi) {
239 TestViewFromApi<v8::Uint32Array>();
243 TEST(Int32ArrayFromApi) {
244 TestViewFromApi<v8::Int32Array>();
248 TEST(Float32ArrayFromApi) {
249 TestViewFromApi<v8::Float32Array>();
253 TEST(Float64ArrayFromApi) {
254 TestViewFromApi<v8::Float64Array>();
258 TEST(Uint8ClampedArrayFromApi) {
259 TestViewFromApi<v8::Uint8ClampedArray>();
263 TEST(DataViewFromApi) {
264 TestViewFromApi<v8::DataView>();
267 template <typename TypedArray>
268 static void TestTypedArrayFromScript(const char* constructor) {
269 v8::V8::Initialize();
270 LocalContext context;
271 Isolate* isolate = GetIsolateFrom(&context);
272 v8::HandleScope scope(context->GetIsolate());
273 int start = CountArrayBuffersInWeakList(isolate->heap());
274 CompileRun("var ab = new ArrayBuffer(2048);");
275 for (int i = 1; i <= 3; i++) {
276 // Create 3 typed arrays, make i-th of them garbage,
277 // validate correct state of typed array weak list.
278 v8::HandleScope s0(context->GetIsolate());
279 i::ScopedVector<char> source(2048);
281 CHECK_EQ(1, CountArrayBuffersInWeakList(isolate->heap()) - start);
284 v8::HandleScope s1(context->GetIsolate());
286 "var ta1 = new %s(ab);"
287 "var ta2 = new %s(ab);"
288 "var ta3 = new %s(ab)",
289 constructor, constructor, constructor);
291 CompileRun(source.start());
292 v8::Handle<v8::ArrayBuffer> ab =
293 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun("ab"));
294 v8::Handle<TypedArray> ta1 =
295 v8::Handle<TypedArray>::Cast(CompileRun("ta1"));
296 v8::Handle<TypedArray> ta2 =
297 v8::Handle<TypedArray>::Cast(CompileRun("ta2"));
298 v8::Handle<TypedArray> ta3 =
299 v8::Handle<TypedArray>::Cast(CompileRun("ta3"));
300 CHECK_EQ(1, CountArrayBuffersInWeakList(isolate->heap()) - start);
301 Handle<JSArrayBuffer> iab = v8::Utils::OpenHandle(*ab);
302 CHECK_EQ(3, CountViews(*iab));
303 CHECK(HasViewInWeakList(*iab, *v8::Utils::OpenHandle(*ta1)));
304 CHECK(HasViewInWeakList(*iab, *v8::Utils::OpenHandle(*ta2)));
305 CHECK(HasViewInWeakList(*iab, *v8::Utils::OpenHandle(*ta3)));
308 i::SNPrintF(source, "ta%d = null;", i);
309 CompileRun(source.start());
310 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
312 CHECK_EQ(1, CountArrayBuffersInWeakList(isolate->heap()) - start);
315 v8::HandleScope s2(context->GetIsolate());
316 v8::Handle<v8::ArrayBuffer> ab =
317 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun("ab"));
318 Handle<JSArrayBuffer> iab = v8::Utils::OpenHandle(*ab);
319 CHECK_EQ(2, CountViews(*iab));
320 for (int j = 1; j <= 3; j++) {
321 if (j == i) continue;
322 i::SNPrintF(source, "ta%d", j);
323 v8::Handle<TypedArray> ta =
324 v8::Handle<TypedArray>::Cast(CompileRun(source.start()));
325 CHECK(HasViewInWeakList(*iab, *v8::Utils::OpenHandle(*ta)));
329 CompileRun("ta1 = null; ta2 = null; ta3 = null;");
330 isolate->heap()->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
332 CHECK_EQ(1, CountArrayBuffersInWeakList(isolate->heap()) - start);
335 v8::HandleScope s3(context->GetIsolate());
336 v8::Handle<v8::ArrayBuffer> ab =
337 v8::Handle<v8::ArrayBuffer>::Cast(CompileRun("ab"));
338 Handle<JSArrayBuffer> iab = v8::Utils::OpenHandle(*ab);
339 CHECK_EQ(0, CountViews(*iab));
345 TEST(Uint8ArrayFromScript) {
346 TestTypedArrayFromScript<v8::Uint8Array>("Uint8Array");
350 TEST(Int8ArrayFromScript) {
351 TestTypedArrayFromScript<v8::Int8Array>("Int8Array");
355 TEST(Uint16ArrayFromScript) {
356 TestTypedArrayFromScript<v8::Uint16Array>("Uint16Array");
360 TEST(Int16ArrayFromScript) {
361 TestTypedArrayFromScript<v8::Int16Array>("Int16Array");
365 TEST(Uint32ArrayFromScript) {
366 TestTypedArrayFromScript<v8::Uint32Array>("Uint32Array");
370 TEST(Int32ArrayFromScript) {
371 TestTypedArrayFromScript<v8::Int32Array>("Int32Array");
375 TEST(Float32ArrayFromScript) {
376 TestTypedArrayFromScript<v8::Float32Array>("Float32Array");
380 TEST(Float64ArrayFromScript) {
381 TestTypedArrayFromScript<v8::Float64Array>("Float64Array");
385 TEST(Uint8ClampedArrayFromScript) {
386 TestTypedArrayFromScript<v8::Uint8ClampedArray>("Uint8ClampedArray");
390 TEST(DataViewFromScript) {
391 TestTypedArrayFromScript<v8::DataView>("DataView");