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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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1814 } | 1814 } |
1815 | 1815 |
1816 | 1816 |
1817 TEST(WeakGlobalHandle) { | 1817 TEST(WeakGlobalHandle) { |
1818 LocalContext env; | 1818 LocalContext env; |
1819 v8::HandleScope scope(env->GetIsolate()); | 1819 v8::HandleScope scope(env->GetIsolate()); |
1820 | 1820 |
1821 CHECK(!HasWeakGlobalHandle()); | 1821 CHECK(!HasWeakGlobalHandle()); |
1822 | 1822 |
1823 v8::Persistent<v8::Object>* handle = | 1823 v8::Persistent<v8::Object>* handle = |
1824 new v8::Persistent<v8::Object>(env->GetIsolate(), | 1824 new v8::Persistent<v8::Object>(env->GetIsolate(), v8::Object::New()); |
1825 v8::Object::New(env->GetIsolate())); | |
1826 handle->SetWeak(handle, PersistentHandleCallback); | 1825 handle->SetWeak(handle, PersistentHandleCallback); |
1827 | 1826 |
1828 CHECK(HasWeakGlobalHandle()); | 1827 CHECK(HasWeakGlobalHandle()); |
1829 } | 1828 } |
1830 | 1829 |
1831 | 1830 |
1832 TEST(SfiAndJsFunctionWeakRefs) { | 1831 TEST(SfiAndJsFunctionWeakRefs) { |
1833 LocalContext env; | 1832 LocalContext env; |
1834 v8::HandleScope scope(env->GetIsolate()); | 1833 v8::HandleScope scope(env->GetIsolate()); |
1835 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); | 1834 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); |
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1989 i::OS::SNPrintF(var_name, "f_%d", i); | 1988 i::OS::SNPrintF(var_name, "f_%d", i); |
1990 const v8::HeapGraphNode* f_object = GetProperty( | 1989 const v8::HeapGraphNode* f_object = GetProperty( |
1991 context_object, v8::HeapGraphEdge::kContextVariable, var_name.start()); | 1990 context_object, v8::HeapGraphEdge::kContextVariable, var_name.start()); |
1992 CHECK_NE(NULL, f_object); | 1991 CHECK_NE(NULL, f_object); |
1993 } | 1992 } |
1994 } | 1993 } |
1995 | 1994 |
1996 | 1995 |
1997 TEST(AllocationSitesAreVisible) { | 1996 TEST(AllocationSitesAreVisible) { |
1998 LocalContext env; | 1997 LocalContext env; |
1999 v8::Isolate* isolate = env->GetIsolate(); | 1998 v8::HandleScope scope(env->GetIsolate()); |
2000 v8::HandleScope scope(isolate); | 1999 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); |
2001 v8::HeapProfiler* heap_profiler = isolate->GetHeapProfiler(); | |
2002 CompileRun( | 2000 CompileRun( |
2003 "fun = function () { var a = [3, 2, 1]; return a; }\n" | 2001 "fun = function () { var a = [3, 2, 1]; return a; }\n" |
2004 "fun();"); | 2002 "fun();"); |
2005 const v8::HeapSnapshot* snapshot = | 2003 const v8::HeapSnapshot* snapshot = |
2006 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); | 2004 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); |
2007 CHECK(ValidateSnapshot(snapshot)); | 2005 CHECK(ValidateSnapshot(snapshot)); |
2008 | 2006 |
2009 const v8::HeapGraphNode* global = GetGlobalObject(snapshot); | 2007 const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
2010 CHECK_NE(NULL, global); | 2008 CHECK_NE(NULL, global); |
2011 const v8::HeapGraphNode* fun_code = | 2009 const v8::HeapGraphNode* fun_code = |
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2034 CHECK_NE(NULL, elements); | 2032 CHECK_NE(NULL, elements); |
2035 CHECK_EQ(v8::HeapGraphNode::kArray, elements->GetType()); | 2033 CHECK_EQ(v8::HeapGraphNode::kArray, elements->GetType()); |
2036 CHECK_EQ(v8::internal::FixedArray::SizeFor(3), elements->GetSelfSize()); | 2034 CHECK_EQ(v8::internal::FixedArray::SizeFor(3), elements->GetSelfSize()); |
2037 | 2035 |
2038 v8::Handle<v8::Value> array_val = | 2036 v8::Handle<v8::Value> array_val = |
2039 heap_profiler->FindObjectById(transition_info->GetId()); | 2037 heap_profiler->FindObjectById(transition_info->GetId()); |
2040 CHECK(array_val->IsArray()); | 2038 CHECK(array_val->IsArray()); |
2041 v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(array_val); | 2039 v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(array_val); |
2042 // Verify the array is "a" in the code above. | 2040 // Verify the array is "a" in the code above. |
2043 CHECK_EQ(3, array->Length()); | 2041 CHECK_EQ(3, array->Length()); |
2044 CHECK_EQ(v8::Integer::New(isolate, 3), | 2042 CHECK_EQ(v8::Integer::New(3), array->Get(v8::Integer::New(0))); |
2045 array->Get(v8::Integer::New(isolate, 0))); | 2043 CHECK_EQ(v8::Integer::New(2), array->Get(v8::Integer::New(1))); |
2046 CHECK_EQ(v8::Integer::New(isolate, 2), | 2044 CHECK_EQ(v8::Integer::New(1), array->Get(v8::Integer::New(2))); |
2047 array->Get(v8::Integer::New(isolate, 1))); | |
2048 CHECK_EQ(v8::Integer::New(isolate, 1), | |
2049 array->Get(v8::Integer::New(isolate, 2))); | |
2050 } | 2045 } |
2051 | 2046 |
2052 | 2047 |
2053 TEST(JSFunctionHasCodeLink) { | 2048 TEST(JSFunctionHasCodeLink) { |
2054 LocalContext env; | 2049 LocalContext env; |
2055 v8::HandleScope scope(env->GetIsolate()); | 2050 v8::HandleScope scope(env->GetIsolate()); |
2056 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); | 2051 v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler(); |
2057 CompileRun("function foo(x, y) { return x + y; }\n"); | 2052 CompileRun("function foo(x, y) { return x + y; }\n"); |
2058 const v8::HeapSnapshot* snapshot = | 2053 const v8::HeapSnapshot* snapshot = |
2059 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); | 2054 heap_profiler->TakeHeapSnapshot(v8_str("snapshot")); |
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2361 | 2356 |
2362 AllocationTraceNode* node = | 2357 AllocationTraceNode* node = |
2363 FindNode(tracker, Vector<const char*>(names, ARRAY_SIZE(names))); | 2358 FindNode(tracker, Vector<const char*>(names, ARRAY_SIZE(names))); |
2364 CHECK_NE(NULL, node); | 2359 CHECK_NE(NULL, node); |
2365 CHECK_LT(node->allocation_count(), 100); | 2360 CHECK_LT(node->allocation_count(), 100); |
2366 | 2361 |
2367 CcTest::heap()->DisableInlineAllocation(); | 2362 CcTest::heap()->DisableInlineAllocation(); |
2368 heap_profiler->StopTrackingHeapObjects(); | 2363 heap_profiler->StopTrackingHeapObjects(); |
2369 } | 2364 } |
2370 } | 2365 } |
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