Heap profiler: fetch document.URL of global objects.

test/cctest/test-heap-profiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 //
 // Tests for heap profiler
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 #include "v8.h"
 
 #include "cctest.h"
 #include "heap-profiler.h"
@@ skipping 398 matching lines @@
 };
 
 }  // namespace
 
 
 static const v8::HeapGraphNode* GetGlobalObject(
     const v8::HeapSnapshot* snapshot) {
   CHECK_EQ(2, snapshot->GetRoot()->GetChildrenCount());
   const v8::HeapGraphNode* global_obj =
       snapshot->GetRoot()->GetChild(0)->GetToNode();
-  CHECK_EQ("Object", const_cast<i::HeapEntry*>(
-      reinterpret_cast<const i::HeapEntry*>(global_obj))->name());
+  CHECK_EQ(0, strncmp("Object", const_cast<i::HeapEntry*>(
+      reinterpret_cast<const i::HeapEntry*>(global_obj))->name(), 6));
   return global_obj;
 }
 
 
 static const v8::HeapGraphNode* GetProperty(const v8::HeapGraphNode* node,
                                             v8::HeapGraphEdge::Type type,
                                             const char* name) {
   for (int i = 0, count = node->GetChildrenCount(); i < count; ++i) {
     const v8::HeapGraphEdge* prop = node->GetChild(i);
     v8::String::AsciiValue prop_name(prop->GetName());
@@ skipping 884 matching lines @@
   CHECK_EQ(s3, v8::HeapProfiler::FindSnapshot(uid3));
   const_cast<v8::HeapSnapshot*>(s2)->Delete();
   CHECK_EQ(1, v8::HeapProfiler::GetSnapshotsCount());
   CHECK_EQ(NULL, v8::HeapProfiler::FindSnapshot(uid2));
   CHECK_EQ(s3, v8::HeapProfiler::FindSnapshot(uid3));
   const_cast<v8::HeapSnapshot*>(s3)->Delete();
   CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount());
   CHECK_EQ(NULL, v8::HeapProfiler::FindSnapshot(uid3));
 }
 
+
+TEST(DocumentURL) {

[Vitaly Repeshko, 2011/05/29 23:01:34]

Please add a test where "document" and/or "URL" throw an exception.

[mnaganov (inactive), 2011/05/30 14:20:42]

Done.

+  v8::HandleScope scope;
+  LocalContext env;
+
+  CompileRun("document = { URL:\"abcdefgh\" };");
+
+  const v8::HeapSnapshot* snapshot =
+      v8::HeapProfiler::TakeSnapshot(v8::String::New("document"));
+  const v8::HeapGraphNode* global = GetGlobalObject(snapshot);
+  CHECK_NE(NULL, global);
+  CHECK_EQ("Object / abcdefgh",
+           const_cast<i::HeapEntry*>(
+               reinterpret_cast<const i::HeapEntry*>(global))->name());
+}
+
 #endif  // ENABLE_LOGGING_AND_PROFILING