A64: Synchronize with r18444.

test/cctest/test-heap-profiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1023 matching lines @@
     CHECK_EQ(2, stats_update.updates_written());
     CHECK_LT(entries_size, stats_update.entries_size());
     CHECK_EQ(2, stats_update.entries_count());
     CHECK_EQ(8, stats_update.first_interval_index());
   }
 
   heap_profiler->StopTrackingHeapObjects();
 }
 
 
+TEST(HeapObjectIds) {
+  LocalContext env;
+  v8::Isolate* isolate = env->GetIsolate();
+  v8::HandleScope scope(isolate);
+  v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler();
+
+  const int kLength = 10;
+  v8::Handle<v8::Object> objects[kLength];
+  v8::SnapshotObjectId ids[kLength];
+
+  heap_profiler->StartTrackingHeapObjects(false);
+
+  for (int i = 0; i < kLength; i++) {
+    objects[i] = v8::Object::New(isolate);
+  }
+  GetHeapStatsUpdate(heap_profiler);
+
+  for (int i = 0; i < kLength; i++) {
+    v8::SnapshotObjectId id = heap_profiler->GetObjectId(objects[i]);
+    CHECK_NE(v8::HeapProfiler::kUnknownObjectId, static_cast<int>(id));
+    ids[i] = id;
+  }
+
+  heap_profiler->StopTrackingHeapObjects();
+  CcTest::heap()->CollectAllAvailableGarbage();
+
+  for (int i = 0; i < kLength; i++) {
+    v8::SnapshotObjectId id = heap_profiler->GetObjectId(objects[i]);
+    CHECK_EQ(static_cast<int>(ids[i]), static_cast<int>(id));
+    v8::Handle<v8::Value> obj = heap_profiler->FindObjectById(ids[i]);
+    CHECK_EQ(objects[i], obj);
+  }
+
+  heap_profiler->ClearObjectIds();
+  for (int i = 0; i < kLength; i++) {
+    v8::SnapshotObjectId id = heap_profiler->GetObjectId(objects[i]);
+    CHECK_EQ(v8::HeapProfiler::kUnknownObjectId, static_cast<int>(id));
+    v8::Handle<v8::Value> obj = heap_profiler->FindObjectById(ids[i]);
+    CHECK(obj.IsEmpty());
+  }
+}
+
+
 static void CheckChildrenIds(const v8::HeapSnapshot* snapshot,
                              const v8::HeapGraphNode* node,
                              int level, int max_level) {
   if (level > max_level) return;
   CHECK_EQ(node, snapshot->GetNodeById(node->GetId()));
   for (int i = 0, count = node->GetChildrenCount(); i < count; ++i) {
     const v8::HeapGraphEdge* prop = node->GetChild(i);
     const v8::HeapGraphNode* child =
         snapshot->GetNodeById(prop->GetToNode()->GetId());
     CHECK_EQ_SNAPSHOT_OBJECT_ID(prop->GetToNode()->GetId(), child->GetId());
@@ skipping 458 matching lines @@
   const int nodes_count = snapshot->GetNodesCount();
   int count = 0;
   for (int i = 0; i < nodes_count; ++i) {
     if (snapshot->GetNode(i) == global)
       ++count;
   }
   CHECK_EQ(1, count);
 }
 
 
-TEST(GetHeapValue) {
+TEST(GetHeapValueForNode) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler();
 
   CompileRun("a = { s_prop: \'value\', n_prop: 0.1 };");
   const v8::HeapSnapshot* snapshot =
       heap_profiler->TakeHeapSnapshot(v8_str("value"));
   CHECK(ValidateSnapshot(snapshot));
   const v8::HeapGraphNode* global = GetGlobalObject(snapshot);
-  CHECK(global->GetHeapValue()->IsObject());
+  CHECK(heap_profiler->FindObjectById(global->GetId())->IsObject());
   v8::Local<v8::Object> js_global =
       env->Global()->GetPrototype().As<v8::Object>();
-  CHECK(js_global == global->GetHeapValue());
+  CHECK(js_global == heap_profiler->FindObjectById(global->GetId()));
   const v8::HeapGraphNode* obj = GetProperty(
       global, v8::HeapGraphEdge::kProperty, "a");
-  CHECK(obj->GetHeapValue()->IsObject());
+  CHECK(heap_profiler->FindObjectById(obj->GetId())->IsObject());
   v8::Local<v8::Object> js_obj = js_global->Get(v8_str("a")).As<v8::Object>();
-  CHECK(js_obj == obj->GetHeapValue());
+  CHECK(js_obj == heap_profiler->FindObjectById(obj->GetId()));
   const v8::HeapGraphNode* s_prop =
       GetProperty(obj, v8::HeapGraphEdge::kProperty, "s_prop");
   v8::Local<v8::String> js_s_prop =
       js_obj->Get(v8_str("s_prop")).As<v8::String>();
-  CHECK(js_s_prop == s_prop->GetHeapValue());
+  CHECK(js_s_prop == heap_profiler->FindObjectById(s_prop->GetId()));
   const v8::HeapGraphNode* n_prop =
       GetProperty(obj, v8::HeapGraphEdge::kProperty, "n_prop");
   v8::Local<v8::Number> js_n_prop =
       js_obj->Get(v8_str("n_prop")).As<v8::Number>();
-  CHECK(js_n_prop->NumberValue() == n_prop->GetHeapValue()->NumberValue());
+  CHECK(js_n_prop->NumberValue() ==
+        heap_profiler->FindObjectById(n_prop->GetId())->NumberValue());
 }
 
 
 TEST(GetHeapValueForDeletedObject) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler();
 
   // It is impossible to delete a global property, so we are about to delete a
   // property of the "a" object. Also, the "p" object can't be an empty one
   // because the empty object is static and isn't actually deleted.
   CompileRun("a = { p: { r: {} } };");
   const v8::HeapSnapshot* snapshot =
       heap_profiler->TakeHeapSnapshot(v8_str("snapshot"));
   CHECK(ValidateSnapshot(snapshot));
   const v8::HeapGraphNode* global = GetGlobalObject(snapshot);
   const v8::HeapGraphNode* obj = GetProperty(
       global, v8::HeapGraphEdge::kProperty, "a");
   const v8::HeapGraphNode* prop = GetProperty(
       obj, v8::HeapGraphEdge::kProperty, "p");
   {
     // Perform the check inside a nested local scope to avoid creating a
     // reference to the object we are deleting.
     v8::HandleScope scope(env->GetIsolate());
-    CHECK(prop->GetHeapValue()->IsObject());
+    CHECK(heap_profiler->FindObjectById(prop->GetId())->IsObject());
   }
   CompileRun("delete a.p;");
-  CHECK(prop->GetHeapValue()->IsUndefined());
+  CHECK(heap_profiler->FindObjectById(prop->GetId()).IsEmpty());
 }
 
 
 static int StringCmp(const char* ref, i::String* act) {
   i::SmartArrayPointer<char> s_act = act->ToCString();
-  int result = strcmp(ref, *s_act);
+  int result = strcmp(ref, s_act.get());
   if (result != 0)
-    fprintf(stderr, "Expected: \"%s\", Actual: \"%s\"\n", ref, *s_act);
+    fprintf(stderr, "Expected: \"%s\", Actual: \"%s\"\n", ref, s_act.get());
   return result;
 }
 
 
 TEST(GetConstructorName) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   CompileRun(
       "function Constructor1() {};\n"
@@ skipping 385 matching lines @@
                   "transition_info");
   CHECK_NE(NULL, transition_info);
 
   const v8::HeapGraphNode* elements =
       GetProperty(transition_info, v8::HeapGraphEdge::kInternal,
                   "elements");
   CHECK_NE(NULL, elements);
   CHECK_EQ(v8::HeapGraphNode::kArray, elements->GetType());
   CHECK_EQ(v8::internal::FixedArray::SizeFor(3), elements->GetSelfSize());
 
-  CHECK(transition_info->GetHeapValue()->IsArray());
-  v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(
-      transition_info->GetHeapValue());
+  v8::Handle<v8::Value> array_val =
+      heap_profiler->FindObjectById(transition_info->GetId());
+  CHECK(array_val->IsArray());
+  v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(array_val);
   // Verify the array is "a" in the code above.
   CHECK_EQ(3, array->Length());
   CHECK_EQ(v8::Integer::New(3), array->Get(v8::Integer::New(0)));
   CHECK_EQ(v8::Integer::New(2), array->Get(v8::Integer::New(1)));
   CHECK_EQ(v8::Integer::New(1), array->Get(v8::Integer::New(2)));
 }
 
 
 TEST(JSFunctionHasCodeLink) {
   LocalContext env;
@@ skipping 32 matching lines @@
 
 const char* HeapProfilerExtension::kSource =
     "native function findUntrackedObjects();";
 
 
 v8::Handle<v8::FunctionTemplate>
 HeapProfilerExtension::GetNativeFunctionTemplate(v8::Isolate* isolate,
                                                  v8::Handle<v8::String> name) {
   if (name->Equals(v8::String::NewFromUtf8(isolate, "findUntrackedObjects"))) {
     return v8::FunctionTemplate::New(
+        isolate,
         HeapProfilerExtension::FindUntrackedObjects);
   } else {
     CHECK(false);
     return v8::Handle<v8::FunctionTemplate>();
   }
 }
 
 
 void HeapProfilerExtension::FindUntrackedObjects(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
@@ skipping 253 matching lines @@
 
     AllocationTraceNode* node =
         FindNode(tracker, Vector<const char*>(names, ARRAY_SIZE(names)));
     CHECK_NE(NULL, node);
     CHECK_LT(node->allocation_count(), 100);
 
     CcTest::heap()->DisableInlineAllocation();
     heap_profiler->StopTrackingHeapObjects();
   }
 }