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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 465 | 465 |
| 466 TEST(HeapSnapshotInternalReferences) { | 466 TEST(HeapSnapshotInternalReferences) { |
| 467 v8::Isolate* isolate = CcTest::isolate(); | 467 v8::Isolate* isolate = CcTest::isolate(); |
| 468 v8::HandleScope scope(isolate); | 468 v8::HandleScope scope(isolate); |
| 469 v8::Local<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); | 469 v8::Local<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); |
| 470 global_template->SetInternalFieldCount(2); | 470 global_template->SetInternalFieldCount(2); |
| 471 LocalContext env(NULL, global_template); | 471 LocalContext env(NULL, global_template); |
| 472 v8::Handle<v8::Object> global_proxy = env->Global(); | 472 v8::Handle<v8::Object> global_proxy = env->Global(); |
| 473 v8::Handle<v8::Object> global = global_proxy->GetPrototype().As<v8::Object>(); | 473 v8::Handle<v8::Object> global = global_proxy->GetPrototype().As<v8::Object>(); |
| 474 CHECK_EQ(2, global->InternalFieldCount()); | 474 CHECK_EQ(2, global->InternalFieldCount()); |
| 475 v8::Local<v8::Object> obj = v8::Object::New(isolate); | 475 v8::Local<v8::Object> obj = v8::Object::New(); |
| 476 global->SetInternalField(0, v8_num(17)); | 476 global->SetInternalField(0, v8_num(17)); |
| 477 global->SetInternalField(1, obj); | 477 global->SetInternalField(1, obj); |
| 478 v8::HeapProfiler* heap_profiler = isolate->GetHeapProfiler(); | 478 v8::HeapProfiler* heap_profiler = isolate->GetHeapProfiler(); |
| 479 const v8::HeapSnapshot* snapshot = | 479 const v8::HeapSnapshot* snapshot = |
| 480 heap_profiler->TakeHeapSnapshot(v8_str("internals")); | 480 heap_profiler->TakeHeapSnapshot(v8_str("internals")); |
| 481 CHECK(ValidateSnapshot(snapshot)); | 481 CHECK(ValidateSnapshot(snapshot)); |
| 482 const v8::HeapGraphNode* global_node = GetGlobalObject(snapshot); | 482 const v8::HeapGraphNode* global_node = GetGlobalObject(snapshot); |
| 483 // The first reference will not present, because it's a Smi. | 483 // The first reference will not present, because it's a Smi. |
| 484 CHECK_EQ(NULL, GetProperty(global_node, v8::HeapGraphEdge::kInternal, "0")); | 484 CHECK_EQ(NULL, GetProperty(global_node, v8::HeapGraphEdge::kInternal, "0")); |
| 485 // The second reference is to an object. | 485 // The second reference is to an object. |
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| 1347 | 1347 |
| 1348 | 1348 |
| 1349 class GraphWithImplicitRefs { | 1349 class GraphWithImplicitRefs { |
| 1350 public: | 1350 public: |
| 1351 static const int kObjectsCount = 4; | 1351 static const int kObjectsCount = 4; |
| 1352 explicit GraphWithImplicitRefs(LocalContext* env) { | 1352 explicit GraphWithImplicitRefs(LocalContext* env) { |
| 1353 CHECK_EQ(NULL, instance_); | 1353 CHECK_EQ(NULL, instance_); |
| 1354 instance_ = this; | 1354 instance_ = this; |
| 1355 isolate_ = (*env)->GetIsolate(); | 1355 isolate_ = (*env)->GetIsolate(); |
| 1356 for (int i = 0; i < kObjectsCount; i++) { | 1356 for (int i = 0; i < kObjectsCount; i++) { |
| 1357 objects_[i].Reset(isolate_, v8::Object::New(isolate_)); | 1357 objects_[i].Reset(isolate_, v8::Object::New()); |
| 1358 } | 1358 } |
| 1359 (*env)->Global()->Set(v8_str("root_object"), | 1359 (*env)->Global()->Set(v8_str("root_object"), |
| 1360 v8::Local<v8::Value>::New(isolate_, objects_[0])); | 1360 v8::Local<v8::Value>::New(isolate_, objects_[0])); |
| 1361 } | 1361 } |
| 1362 ~GraphWithImplicitRefs() { | 1362 ~GraphWithImplicitRefs() { |
| 1363 instance_ = NULL; | 1363 instance_ = NULL; |
| 1364 } | 1364 } |
| 1365 | 1365 |
| 1366 static void gcPrologue(v8::GCType type, v8::GCCallbackFlags flags) { | 1366 static void gcPrologue(v8::GCType type, v8::GCCallbackFlags flags) { |
| 1367 instance_->AddImplicitReferences(); | 1367 instance_->AddImplicitReferences(); |
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| 1813 } | 1813 } |
| 1814 | 1814 |
| 1815 | 1815 |
| 1816 TEST(WeakGlobalHandle) { | 1816 TEST(WeakGlobalHandle) { |
| 1817 LocalContext env; | 1817 LocalContext env; |
| 1818 v8::HandleScope scope(env->GetIsolate()); | 1818 v8::HandleScope scope(env->GetIsolate()); |
| 1819 | 1819 |
| 1820 CHECK(!HasWeakGlobalHandle()); | 1820 CHECK(!HasWeakGlobalHandle()); |
| 1821 | 1821 |
| 1822 v8::Persistent<v8::Object>* handle = | 1822 v8::Persistent<v8::Object>* handle = |
| 1823 new v8::Persistent<v8::Object>(env->GetIsolate(), | 1823 new v8::Persistent<v8::Object>(env->GetIsolate(), v8::Object::New()); |
| 1824 v8::Object::New(env->GetIsolate())); | |
| 1825 handle->SetWeak(handle, PersistentHandleCallback); | 1824 handle->SetWeak(handle, PersistentHandleCallback); |
| 1826 | 1825 |
| 1827 CHECK(HasWeakGlobalHandle()); | 1826 CHECK(HasWeakGlobalHandle()); |
| 1828 } | 1827 } |
| 1829 | 1828 |
| 1830 | 1829 |
| 1831 TEST(SfiAndJsFunctionWeakRefs) { | 1830 TEST(SfiAndJsFunctionWeakRefs) { |
| 1832 LocalContext env; | 1831 LocalContext env; |
| 1833 v8::HandleScope scope(env->GetIsolate()); | 1832 v8::HandleScope scope(env->GetIsolate()); |
| 1834 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); | 1833 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); |
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| 1988 i::OS::SNPrintF(var_name, "f_%d", i); | 1987 i::OS::SNPrintF(var_name, "f_%d", i); |
| 1989 const v8::HeapGraphNode* f_object = GetProperty( | 1988 const v8::HeapGraphNode* f_object = GetProperty( |
| 1990 context_object, v8::HeapGraphEdge::kContextVariable, var_name.start()); | 1989 context_object, v8::HeapGraphEdge::kContextVariable, var_name.start()); |
| 1991 CHECK_NE(NULL, f_object); | 1990 CHECK_NE(NULL, f_object); |
| 1992 } | 1991 } |
| 1993 } | 1992 } |
| 1994 | 1993 |
| 1995 | 1994 |
| 1996 TEST(AllocationSitesAreVisible) { | 1995 TEST(AllocationSitesAreVisible) { |
| 1997 LocalContext env; | 1996 LocalContext env; |
| 1998 v8::Isolate* isolate = env->GetIsolate(); | 1997 v8::HandleScope scope(env->GetIsolate()); |
| 1999 v8::HandleScope scope(isolate); | 1998 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); |
| 2000 v8::HeapProfiler* heap_profiler = isolate->GetHeapProfiler(); | |
| 2001 CompileRun( | 1999 CompileRun( |
| 2002 "fun = function () { var a = [3, 2, 1]; return a; }\n" | 2000 "fun = function () { var a = [3, 2, 1]; return a; }\n" |
| 2003 "fun();"); | 2001 "fun();"); |
| 2004 const v8::HeapSnapshot* snapshot = | 2002 const v8::HeapSnapshot* snapshot = |
| 2005 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); | 2003 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); |
| 2006 CHECK(ValidateSnapshot(snapshot)); | 2004 CHECK(ValidateSnapshot(snapshot)); |
| 2007 | 2005 |
| 2008 const v8::HeapGraphNode* global = GetGlobalObject(snapshot); | 2006 const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 2009 CHECK_NE(NULL, global); | 2007 CHECK_NE(NULL, global); |
| 2010 const v8::HeapGraphNode* fun_code = | 2008 const v8::HeapGraphNode* fun_code = |
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| 2032 "elements"); | 2030 "elements"); |
| 2033 CHECK_NE(NULL, elements); | 2031 CHECK_NE(NULL, elements); |
| 2034 CHECK_EQ(v8::HeapGraphNode::kArray, elements->GetType()); | 2032 CHECK_EQ(v8::HeapGraphNode::kArray, elements->GetType()); |
| 2035 CHECK_EQ(v8::internal::FixedArray::SizeFor(3), elements->GetSelfSize()); | 2033 CHECK_EQ(v8::internal::FixedArray::SizeFor(3), elements->GetSelfSize()); |
| 2036 | 2034 |
| 2037 CHECK(transition_info->GetHeapValue()->IsArray()); | 2035 CHECK(transition_info->GetHeapValue()->IsArray()); |
| 2038 v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast( | 2036 v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast( |
| 2039 transition_info->GetHeapValue()); | 2037 transition_info->GetHeapValue()); |
| 2040 // Verify the array is "a" in the code above. | 2038 // Verify the array is "a" in the code above. |
| 2041 CHECK_EQ(3, array->Length()); | 2039 CHECK_EQ(3, array->Length()); |
| 2042 CHECK_EQ(v8::Integer::New(isolate, 3), | 2040 CHECK_EQ(v8::Integer::New(3), array->Get(v8::Integer::New(0))); |
| 2043 array->Get(v8::Integer::New(isolate, 0))); | 2041 CHECK_EQ(v8::Integer::New(2), array->Get(v8::Integer::New(1))); |
| 2044 CHECK_EQ(v8::Integer::New(isolate, 2), | 2042 CHECK_EQ(v8::Integer::New(1), array->Get(v8::Integer::New(2))); |
| 2045 array->Get(v8::Integer::New(isolate, 1))); | |
| 2046 CHECK_EQ(v8::Integer::New(isolate, 1), | |
| 2047 array->Get(v8::Integer::New(isolate, 2))); | |
| 2048 } | 2043 } |
| 2049 | 2044 |
| 2050 | 2045 |
| 2051 TEST(JSFunctionHasCodeLink) { | 2046 TEST(JSFunctionHasCodeLink) { |
| 2052 LocalContext env; | 2047 LocalContext env; |
| 2053 v8::HandleScope scope(env->GetIsolate()); | 2048 v8::HandleScope scope(env->GetIsolate()); |
| 2054 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); | 2049 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); |
| 2055 CompileRun("function foo(x, y) { return x + y; }\n"); | 2050 CompileRun("function foo(x, y) { return x + y; }\n"); |
| 2056 const v8::HeapSnapshot* snapshot = | 2051 const v8::HeapSnapshot* snapshot = |
| 2057 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); | 2052 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); |
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| 2359 | 2354 |
| 2360 AllocationTraceNode* node = | 2355 AllocationTraceNode* node = |
| 2361 FindNode(tracker, Vector<const char*>(names, ARRAY_SIZE(names))); | 2356 FindNode(tracker, Vector<const char*>(names, ARRAY_SIZE(names))); |
| 2362 CHECK_NE(NULL, node); | 2357 CHECK_NE(NULL, node); |
| 2363 CHECK_LT(node->allocation_count(), 100); | 2358 CHECK_LT(node->allocation_count(), 100); |
| 2364 | 2359 |
| 2365 CcTest::heap()->DisableInlineAllocation(); | 2360 CcTest::heap()->DisableInlineAllocation(); |
| 2366 heap_profiler->StopTrackingHeapObjects(); | 2361 heap_profiler->StopTrackingHeapObjects(); |
| 2367 } | 2362 } |
| 2368 } | 2363 } |
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