| Index: test/cctest/test-api.cc
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| diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
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| index 9d05c0f795a55dc23fb0fe2ad780d90db863adc3..1df1211b6654297999ca48402238b19d29936adf 100644
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| --- a/test/cctest/test-api.cc
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| +++ b/test/cctest/test-api.cc
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| @@ -67,6 +67,7 @@ using ::v8::StackTrace;
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|  using ::v8::String;
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|  using ::v8::TryCatch;
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|  using ::v8::Undefined;
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| +using ::v8::UniqueId;
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|  using ::v8::V8;
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|  using ::v8::Value;
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|  
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| @@ -2445,7 +2446,7 @@ static void WeakPointerCallback(v8::Isolate* isolate,
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|  }
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|  
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|  
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| -THREADED_TEST(ApiObjectGroups) {
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| +THREADED_TEST(OldApiObjectGroups) {
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|    LocalContext env;
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|    v8::Isolate* iso = env->GetIsolate();
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|    HandleScope scope(iso);
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| @@ -2490,7 +2491,7 @@ THREADED_TEST(ApiObjectGroups) {
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|      V8::AddObjectGroup(g1_objects, 2);
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|      V8::AddImplicitReferences(g1s1, g1_children, 1);
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|      V8::AddObjectGroup(g2_objects, 2);
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| -    V8::AddImplicitReferences(g2s2, g2_children, 1);
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| +    V8::AddImplicitReferences(g2s1, g2_children, 1);
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|    }
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|    // Do a single full GC, ensure incremental marking is stopped.
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|    HEAP->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| @@ -2514,7 +2515,7 @@ THREADED_TEST(ApiObjectGroups) {
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|      V8::AddObjectGroup(g1_objects, 2);
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|      V8::AddImplicitReferences(g1s1, g1_children, 1);
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|      V8::AddObjectGroup(g2_objects, 2);
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| -    V8::AddImplicitReferences(g2s2, g2_children, 1);
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| +    V8::AddImplicitReferences(g2s1, g2_children, 1);
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|    }
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|  
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|    HEAP->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| @@ -2531,7 +2532,95 @@ THREADED_TEST(ApiObjectGroups) {
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|  }
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|  
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|  
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| -THREADED_TEST(ApiObjectGroupsCycle) {
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| +THREADED_TEST(ApiObjectGroups) {
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| +  LocalContext env;
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| +  v8::Isolate* iso = env->GetIsolate();
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| +  HandleScope scope(iso);
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| +
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| +  Persistent<Object> g1s1;
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| +  Persistent<Object> g1s2;
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| +  Persistent<Object> g1c1;
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| +  Persistent<Object> g2s1;
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| +  Persistent<Object> g2s2;
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| +  Persistent<Object> g2c1;
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| +
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| +  WeakCallCounter counter(1234);
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| +
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| +  {
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| +    HandleScope scope(iso);
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| +    g1s1 = Persistent<Object>::New(iso, Object::New());
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| +    g1s2 = Persistent<Object>::New(iso, Object::New());
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| +    g1c1 = Persistent<Object>::New(iso, Object::New());
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| +    g1s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g1s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g1c1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +
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| +    g2s1 = Persistent<Object>::New(iso, Object::New());
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| +    g2s2 = Persistent<Object>::New(iso, Object::New());
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| +    g2c1 = Persistent<Object>::New(iso, Object::New());
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| +    g2s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g2s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g2c1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +  }
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| +
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| +  Persistent<Object> root = Persistent<Object>::New(iso, g1s1);  // make a root.
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| +
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| +  // Connect group 1 and 2, make a cycle.
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| +  CHECK(g1s2->Set(0, g2s2));
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| +  CHECK(g2s1->Set(0, g1s1));
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| +
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| +  {
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| +    UniqueId id1(reinterpret_cast<intptr_t>(*g1s1));
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| +    UniqueId id2(reinterpret_cast<intptr_t>(*g2s2));
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| +    iso->SetObjectGroupId(g1s1, id1);
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| +    iso->SetObjectGroupId(g1s2, id1);
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| +    iso->SetReferenceFromGroup(id1, g1c1);
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| +    iso->SetObjectGroupId(g2s1, id2);
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| +    iso->SetObjectGroupId(g2s2, id2);
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| +    iso->SetReferenceFromGroup(id2, g2c1);
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| +  }
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| +  // Do a single full GC, ensure incremental marking is stopped.
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| +  v8::internal::Heap* heap = reinterpret_cast<v8::internal::Isolate*>(
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| +      iso)->heap();
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| +  heap->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| +
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| +  // All object should be alive.
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| +  CHECK_EQ(0, counter.NumberOfWeakCalls());
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| +
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| +  // Weaken the root.
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| +  root.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +  // But make children strong roots---all the objects (except for children)
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| +  // should be collectable now.
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| +  g1c1.ClearWeak(iso);
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| +  g2c1.ClearWeak(iso);
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| +
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| +  // Groups are deleted, rebuild groups.
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| +  {
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| +    UniqueId id1(reinterpret_cast<intptr_t>(*g1s1));
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| +    UniqueId id2(reinterpret_cast<intptr_t>(*g2s2));
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| +    iso->SetObjectGroupId(g1s1, id1);
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| +    iso->SetObjectGroupId(g1s2, id1);
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| +    iso->SetReferenceFromGroup(id1, g1c1);
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| +    iso->SetObjectGroupId(g2s1, id2);
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| +    iso->SetObjectGroupId(g2s2, id2);
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| +    iso->SetReferenceFromGroup(id2, g2c1);
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| +  }
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| +
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| +  heap->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| +
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| +  // All objects should be gone. 5 global handles in total.
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| +  CHECK_EQ(5, counter.NumberOfWeakCalls());
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| +
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| +  // And now make children weak again and collect them.
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| +  g1c1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +  g2c1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +
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| +  heap->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| +  CHECK_EQ(7, counter.NumberOfWeakCalls());
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| +}
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| +
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| +
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| +THREADED_TEST(OldApiObjectGroupsCycle) {
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|    LocalContext env;
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|    v8::Isolate* iso = env->GetIsolate();
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|    HandleScope scope(iso);
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| @@ -2637,9 +2726,117 @@ THREADED_TEST(ApiObjectGroupsCycle) {
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|  }
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|  
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|  
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| +THREADED_TEST(ApiObjectGroupsCycle) {
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| +  LocalContext env;
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| +  v8::Isolate* iso = env->GetIsolate();
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| +  HandleScope scope(iso);
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| +
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| +  WeakCallCounter counter(1234);
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| +
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| +  Persistent<Object> g1s1;
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| +  Persistent<Object> g1s2;
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| +  Persistent<Object> g2s1;
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| +  Persistent<Object> g2s2;
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| +  Persistent<Object> g3s1;
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| +  Persistent<Object> g3s2;
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| +  Persistent<Object> g4s1;
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| +  Persistent<Object> g4s2;
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| +
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| +  {
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| +    HandleScope scope(iso);
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| +    g1s1 = Persistent<Object>::New(iso, Object::New());
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| +    g1s2 = Persistent<Object>::New(iso, Object::New());
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| +    g1s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g1s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    CHECK(g1s1.IsWeak(iso));
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| +    CHECK(g1s2.IsWeak(iso));
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| +
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| +    g2s1 = Persistent<Object>::New(iso, Object::New());
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| +    g2s2 = Persistent<Object>::New(iso, Object::New());
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| +    g2s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g2s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    CHECK(g2s1.IsWeak(iso));
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| +    CHECK(g2s2.IsWeak(iso));
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| +
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| +    g3s1 = Persistent<Object>::New(iso, Object::New());
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| +    g3s2 = Persistent<Object>::New(iso, Object::New());
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| +    g3s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g3s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    CHECK(g3s1.IsWeak(iso));
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| +    CHECK(g3s2.IsWeak(iso));
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| +
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| +    g4s1 = Persistent<Object>::New(iso, Object::New());
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| +    g4s2 = Persistent<Object>::New(iso, Object::New());
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| +    g4s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g4s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    CHECK(g4s1.IsWeak(iso));
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| +    CHECK(g4s2.IsWeak(iso));
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| +  }
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| +
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| +  Persistent<Object> root = Persistent<Object>::New(iso, g1s1);  // make a root.
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| +
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| +  // Connect groups.  We're building the following cycle:
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| +  // G1: { g1s1, g2s1 }, g1s1 implicitly references g2s1, ditto for other
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| +  // groups.
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| +  {
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| +    UniqueId id1(reinterpret_cast<intptr_t>(*g1s1));
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| +    UniqueId id2(reinterpret_cast<intptr_t>(*g2s1));
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| +    UniqueId id3(reinterpret_cast<intptr_t>(*g3s1));
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| +    UniqueId id4(reinterpret_cast<intptr_t>(*g4s1));
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| +    iso->SetObjectGroupId(g1s1, id1);
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| +    iso->SetObjectGroupId(g1s2, id1);
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| +    iso->SetReferenceFromGroup(id1, g2s1);
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| +    iso->SetObjectGroupId(g2s1, id2);
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| +    iso->SetObjectGroupId(g2s2, id2);
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| +    iso->SetReferenceFromGroup(id2, g3s1);
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| +    iso->SetObjectGroupId(g3s1, id3);
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| +    iso->SetObjectGroupId(g3s2, id3);
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| +    iso->SetReferenceFromGroup(id3, g4s1);
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| +    iso->SetObjectGroupId(g4s1, id4);
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| +    iso->SetObjectGroupId(g4s2, id4);
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| +    iso->SetReferenceFromGroup(id4, g1s1);
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| +  }
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| +  // Do a single full GC
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| +  v8::internal::Heap* heap = reinterpret_cast<v8::internal::Isolate*>(
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| +      iso)->heap();
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| +  heap->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| +
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| +  // All object should be alive.
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| +  CHECK_EQ(0, counter.NumberOfWeakCalls());
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| +
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| +  // Weaken the root.
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| +  root.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +
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| +  // Groups are deleted, rebuild groups.
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| +  {
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| +    UniqueId id1(reinterpret_cast<intptr_t>(*g1s1));
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| +    UniqueId id2(reinterpret_cast<intptr_t>(*g2s1));
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| +    UniqueId id3(reinterpret_cast<intptr_t>(*g3s1));
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| +    UniqueId id4(reinterpret_cast<intptr_t>(*g4s1));
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| +    iso->SetObjectGroupId(g1s1, id1);
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| +    iso->SetObjectGroupId(g1s2, id1);
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| +    iso->SetReferenceFromGroup(id1, g2s1);
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| +    iso->SetObjectGroupId(g2s1, id2);
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| +    iso->SetObjectGroupId(g2s2, id2);
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| +    iso->SetReferenceFromGroup(id2, g3s1);
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| +    iso->SetObjectGroupId(g3s1, id3);
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| +    iso->SetObjectGroupId(g3s2, id3);
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| +    iso->SetReferenceFromGroup(id3, g4s1);
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| +    iso->SetObjectGroupId(g4s1, id4);
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| +    iso->SetObjectGroupId(g4s2, id4);
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| +    iso->SetReferenceFromGroup(id4, g1s1);
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| +  }
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| +
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| +  heap->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask);
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| +
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| +  // All objects should be gone. 9 global handles in total.
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| +  CHECK_EQ(9, counter.NumberOfWeakCalls());
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| +}
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| +
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| +
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|  // TODO(mstarzinger): This should be a THREADED_TEST but causes failures
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|  // on the buildbots, so was made non-threaded for the time being.
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| -TEST(ApiObjectGroupsCycleForScavenger) {
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| +TEST(OldApiObjectGroupsCycleForScavenger) {
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|    i::FLAG_stress_compaction = false;
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|    i::FLAG_gc_global = false;
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|    LocalContext env;
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| @@ -2734,6 +2931,105 @@ TEST(ApiObjectGroupsCycleForScavenger) {
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|  }
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|  
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|  
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| +// TODO(mstarzinger): This should be a THREADED_TEST but causes failures
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| +// on the buildbots, so was made non-threaded for the time being.
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| +TEST(ApiObjectGroupsCycleForScavenger) {
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| +  i::FLAG_stress_compaction = false;
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| +  i::FLAG_gc_global = false;
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| +  LocalContext env;
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| +  v8::Isolate* iso = env->GetIsolate();
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| +  HandleScope scope(iso);
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| +
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| +  WeakCallCounter counter(1234);
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| +
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| +  Persistent<Object> g1s1;
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| +  Persistent<Object> g1s2;
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| +  Persistent<Object> g2s1;
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| +  Persistent<Object> g2s2;
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| +  Persistent<Object> g3s1;
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| +  Persistent<Object> g3s2;
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| +
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| +  {
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| +    HandleScope scope(iso);
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| +    g1s1 = Persistent<Object>::New(iso, Object::New());
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| +    g1s2 = Persistent<Object>::New(iso, Object::New());
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| +    g1s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g1s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +
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| +    g2s1 = Persistent<Object>::New(iso, Object::New());
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| +    g2s2 = Persistent<Object>::New(iso, Object::New());
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| +    g2s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g2s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +
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| +    g3s1 = Persistent<Object>::New(iso, Object::New());
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| +    g3s2 = Persistent<Object>::New(iso, Object::New());
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| +    g3s1.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +    g3s2.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +  }
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| +
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| +  // Make a root.
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| +  Persistent<Object> root = Persistent<Object>::New(iso, g1s1);
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| +  root.MarkPartiallyDependent(iso);
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| +
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| +  // Connect groups.  We're building the following cycle:
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| +  // G1: { g1s1, g2s1 }, g1s1 implicitly references g2s1, ditto for other
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| +  // groups.
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| +  {
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| +    g1s1.MarkPartiallyDependent(iso);
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| +    g1s2.MarkPartiallyDependent(iso);
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| +    g2s1.MarkPartiallyDependent(iso);
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| +    g2s2.MarkPartiallyDependent(iso);
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| +    g3s1.MarkPartiallyDependent(iso);
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| +    g3s2.MarkPartiallyDependent(iso);
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| +    iso->SetObjectGroupId(g1s1, UniqueId(1));
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| +    iso->SetObjectGroupId(g1s2, UniqueId(1));
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| +    g1s1->Set(v8_str("x"), g2s1);
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| +    iso->SetObjectGroupId(g2s1, UniqueId(2));
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| +    iso->SetObjectGroupId(g2s2, UniqueId(2));
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| +    g2s1->Set(v8_str("x"), g3s1);
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| +    iso->SetObjectGroupId(g3s1, UniqueId(3));
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| +    iso->SetObjectGroupId(g3s2, UniqueId(3));
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| +    g3s1->Set(v8_str("x"), g1s1);
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| +  }
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| +
 | 
| +  v8::internal::Heap* heap = reinterpret_cast<v8::internal::Isolate*>(
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| +      iso)->heap();
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| +  heap->CollectGarbage(i::NEW_SPACE);
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| +
 | 
| +  // All objects should be alive.
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| +  CHECK_EQ(0, counter.NumberOfWeakCalls());
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| +
 | 
| +  // Weaken the root.
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| +  root.MakeWeak(iso, reinterpret_cast<void*>(&counter), &WeakPointerCallback);
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| +  root.MarkPartiallyDependent(iso);
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| +
 | 
| +  v8::Isolate* isolate = v8::Isolate::GetCurrent();
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| +  // Groups are deleted, rebuild groups.
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| +  {
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| +    g1s1.MarkPartiallyDependent(isolate);
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| +    g1s2.MarkPartiallyDependent(isolate);
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| +    g2s1.MarkPartiallyDependent(isolate);
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| +    g2s2.MarkPartiallyDependent(isolate);
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| +    g3s1.MarkPartiallyDependent(isolate);
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| +    g3s2.MarkPartiallyDependent(isolate);
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| +    iso->SetObjectGroupId(g1s1, UniqueId(1));
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| +    iso->SetObjectGroupId(g1s2, UniqueId(1));
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| +    g1s1->Set(v8_str("x"), g2s1);
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| +    iso->SetObjectGroupId(g2s1, UniqueId(2));
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| +    iso->SetObjectGroupId(g2s2, UniqueId(2));
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| +    g2s1->Set(v8_str("x"), g3s1);
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| +    iso->SetObjectGroupId(g3s1, UniqueId(3));
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| +    iso->SetObjectGroupId(g3s2, UniqueId(3));
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| +    g3s1->Set(v8_str("x"), g1s1);
 | 
| +  }
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| +
 | 
| +  heap->CollectGarbage(i::NEW_SPACE);
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| +
 | 
| +  // All objects should be gone. 7 global handles in total.
 | 
| +  CHECK_EQ(7, counter.NumberOfWeakCalls());
 | 
| +}
 | 
| +
 | 
| +
 | 
|  THREADED_TEST(ScriptException) {
 | 
|    LocalContext env;
 | 
|    v8::HandleScope scope(env->GetIsolate());
 | 
| 
 |