#include "cctest.h"
using namespace v8::internal;
+using v8::UniqueId;
-static int NumberOfWeakCalls = 0;
-static void WeakPointerCallback(v8::Isolate* isolate,
- v8::Persistent<v8::Value> handle,
- void* id) {
- ASSERT(id == reinterpret_cast<void*>(1234));
- NumberOfWeakCalls++;
- handle.Dispose(isolate);
-}
static List<Object*> skippable_objects;
static List<Object*> can_skip_called_objects;
+
static bool CanSkipCallback(Heap* heap, Object** pointer) {
can_skip_called_objects.Add(*pointer);
return skippable_objects.Contains(*pointer);
}
+
static void ResetCanSkipData() {
skippable_objects.Clear();
can_skip_called_objects.Clear();
}
+
class TestRetainedObjectInfo : public v8::RetainedObjectInfo {
public:
TestRetainedObjectInfo() : has_been_disposed_(false) {}
bool has_been_disposed_;
};
+
class TestObjectVisitor : public ObjectVisitor {
public:
virtual void VisitPointers(Object** start, Object** end) {
List<Object*> visited;
};
+
TEST(IterateObjectGroupsOldApi) {
CcTest::InitializeVM();
GlobalHandles* global_handles = Isolate::Current()->global_handles();
global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
Handle<Object> g1s2 =
global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
- global_handles->MakeWeak(g1s1.location(),
- reinterpret_cast<void*>(1234),
- NULL,
- &WeakPointerCallback);
- global_handles->MakeWeak(g1s2.location(),
- reinterpret_cast<void*>(1234),
- NULL,
- &WeakPointerCallback);
Handle<Object> g2s1 =
global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
Handle<Object> g2s2 =
global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
- global_handles->MakeWeak(g2s1.location(),
- reinterpret_cast<void*>(1234),
- NULL,
- &WeakPointerCallback);
- global_handles->MakeWeak(g2s2.location(),
- reinterpret_cast<void*>(1234),
- NULL,
- &WeakPointerCallback);
TestRetainedObjectInfo info1;
TestRetainedObjectInfo info2;
global_handles->IterateObjectGroups(&visitor, &CanSkipCallback);
// CanSkipCallback was called for all objects.
- fprintf(stderr, "can skip len %d\n", can_skip_called_objects.length());
ASSERT(can_skip_called_objects.length() == 1);
ASSERT(can_skip_called_objects.Contains(*g2s1.location()) ||
can_skip_called_objects.Contains(*g2s2.location()));
ASSERT(info2.has_been_disposed());
}
}
+
+
+TEST(IterateObjectGroups) {
+ CcTest::InitializeVM();
+ GlobalHandles* global_handles = Isolate::Current()->global_handles();
+
+ v8::HandleScope handle_scope(CcTest::isolate());
+
+ Handle<Object> g1s1 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+ Handle<Object> g1s2 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+
+ Handle<Object> g2s1 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+ Handle<Object> g2s2 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+
+ TestRetainedObjectInfo info1;
+ TestRetainedObjectInfo info2;
+ global_handles->SetObjectGroupId(g2s1.location(), UniqueId(2));
+ global_handles->SetObjectGroupId(g2s2.location(), UniqueId(2));
+ global_handles->SetRetainedObjectInfo(UniqueId(2), &info2);
+ global_handles->SetObjectGroupId(g1s1.location(), UniqueId(1));
+ global_handles->SetObjectGroupId(g1s2.location(), UniqueId(1));
+ global_handles->SetRetainedObjectInfo(UniqueId(1), &info1);
+
+ // Iterate the object groups. First skip all.
+ {
+ ResetCanSkipData();
+ skippable_objects.Add(*g1s1.location());
+ skippable_objects.Add(*g1s2.location());
+ skippable_objects.Add(*g2s1.location());
+ skippable_objects.Add(*g2s2.location());
+ TestObjectVisitor visitor;
+ global_handles->IterateObjectGroups(&visitor, &CanSkipCallback);
+
+ // CanSkipCallback was called for all objects.
+ ASSERT(can_skip_called_objects.length() == 4);
+ ASSERT(can_skip_called_objects.Contains(*g1s1.location()));
+ ASSERT(can_skip_called_objects.Contains(*g1s2.location()));
+ ASSERT(can_skip_called_objects.Contains(*g2s1.location()));
+ ASSERT(can_skip_called_objects.Contains(*g2s2.location()));
+
+ // Nothing was visited.
+ ASSERT(visitor.visited.length() == 0);
+ ASSERT(!info1.has_been_disposed());
+ ASSERT(!info2.has_been_disposed());
+ }
+
+ // Iterate again, now only skip the second object group.
+ {
+ ResetCanSkipData();
+ // The first grough should still be visited, since only one object is
+ // skipped.
+ skippable_objects.Add(*g1s1.location());
+ skippable_objects.Add(*g2s1.location());
+ skippable_objects.Add(*g2s2.location());
+ TestObjectVisitor visitor;
+ global_handles->IterateObjectGroups(&visitor, &CanSkipCallback);
+
+ // CanSkipCallback was called for all objects.
+ ASSERT(can_skip_called_objects.length() == 3 ||
+ can_skip_called_objects.length() == 4);
+ ASSERT(can_skip_called_objects.Contains(*g1s2.location()));
+ ASSERT(can_skip_called_objects.Contains(*g2s1.location()));
+ ASSERT(can_skip_called_objects.Contains(*g2s2.location()));
+
+ // The first group was visited.
+ ASSERT(visitor.visited.length() == 2);
+ ASSERT(visitor.visited.Contains(*g1s1.location()));
+ ASSERT(visitor.visited.Contains(*g1s2.location()));
+ ASSERT(info1.has_been_disposed());
+ ASSERT(!info2.has_been_disposed());
+ }
+
+ // Iterate again, don't skip anything.
+ {
+ ResetCanSkipData();
+ TestObjectVisitor visitor;
+ global_handles->IterateObjectGroups(&visitor, &CanSkipCallback);
+
+ // CanSkipCallback was called for all objects.
+ ASSERT(can_skip_called_objects.length() == 1);
+ ASSERT(can_skip_called_objects.Contains(*g2s1.location()) ||
+ can_skip_called_objects.Contains(*g2s2.location()));
+
+ // The second group was visited.
+ ASSERT(visitor.visited.length() == 2);
+ ASSERT(visitor.visited.Contains(*g2s1.location()));
+ ASSERT(visitor.visited.Contains(*g2s2.location()));
+ ASSERT(info2.has_been_disposed());
+ }
+}
+
+
+TEST(ImplicitReferences) {
+ CcTest::InitializeVM();
+ GlobalHandles* global_handles = Isolate::Current()->global_handles();
+
+ v8::HandleScope handle_scope(CcTest::isolate());
+
+ Handle<Object> g1s1 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+ Handle<Object> g1c1 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+ Handle<Object> g1c2 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+
+
+ Handle<Object> g2s1 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+ Handle<Object> g2s2 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+ Handle<Object> g2c1 =
+ global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+
+ global_handles->SetObjectGroupId(g1s1.location(), UniqueId(1));
+ global_handles->SetObjectGroupId(g2s1.location(), UniqueId(2));
+ global_handles->SetObjectGroupId(g2s2.location(), UniqueId(2));
+ global_handles->SetReferenceFromGroup(UniqueId(1), g1c1.location());
+ global_handles->SetReferenceFromGroup(UniqueId(1), g1c2.location());
+ global_handles->SetReferenceFromGroup(UniqueId(2), g2c1.location());
+
+ List<ImplicitRefGroup*>* implicit_refs =
+ global_handles->implicit_ref_groups();
+ USE(implicit_refs);
+ ASSERT(implicit_refs->length() == 2);
+ ASSERT(implicit_refs->at(0)->parent ==
+ reinterpret_cast<HeapObject**>(g1s1.location()));
+ ASSERT(implicit_refs->at(0)->length == 2);
+ ASSERT(implicit_refs->at(0)->children[0] == g1c1.location());
+ ASSERT(implicit_refs->at(0)->children[1] == g1c2.location());
+ ASSERT(implicit_refs->at(1)->parent ==
+ reinterpret_cast<HeapObject**>(g2s1.location()));
+ ASSERT(implicit_refs->at(1)->length == 1);
+ ASSERT(implicit_refs->at(1)->children[0] == g2c1.location());
+}
+
+
+TEST(EternalHandles) {
+ CcTest::InitializeVM();
+ Isolate* isolate = Isolate::Current();
+ v8::Isolate* v8_isolate = reinterpret_cast<v8::Isolate*>(isolate);
+ EternalHandles* eternals = isolate->eternal_handles();
+
+ // Create a number of handles that will not be on a block boundary
+ const int kArrayLength = 2048-1;
+ int indices[kArrayLength];
+
+ CHECK_EQ(0, eternals->NumberOfHandles());
+ for (int i = 0; i < kArrayLength; i++) {
+ HandleScope scope(isolate);
+ v8::Local<v8::Object> object = v8::Object::New();
+ object->Set(i, v8::Integer::New(i, v8_isolate));
+ if (i % 2 == 0) {
+ // Create with internal api
+ indices[i] = eternals->Create(isolate, *v8::Utils::OpenHandle(*object));
+ } else {
+ // Create with external api
+ indices[i] = object.Eternalize(v8_isolate);
+ }
+ }
+
+ isolate->heap()->CollectAllAvailableGarbage();
+
+ for (int i = 0; i < kArrayLength; i++) {
+ for (int j = 0; j < 2; j++) {
+ HandleScope scope(isolate);
+ v8::Local<v8::Object> object;
+ if (j == 0) {
+ // Test internal api
+ v8::Local<v8::Value> local =
+ v8::Utils::ToLocal(eternals->Get(indices[i]));
+ object = v8::Handle<v8::Object>::Cast(local);
+ } else {
+ // Test external api
+ object = v8::Local<v8::Object>::GetEternal(v8_isolate, indices[i]);
+ }
+ v8::Local<v8::Value> value = object->Get(i);
+ CHECK(value->IsInt32());
+ CHECK_EQ(i, value->Int32Value());
+ }
+ }
+
+ CHECK_EQ(kArrayLength, eternals->NumberOfHandles());
+}