Introduce v8::Object::CreationContext method.

test/cctest/test-api.cc

 // Copyright 2007-2009 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 13611 matching lines @@
   v8::Handle<v8::Function> define_property =
       CompileRun("(function() {"
                  "  Object.defineProperty("
                  "    this,"
                  "    1,"
                  "    { configurable: true, enumerable: true, value: 3 });"
                  "})").As<Function>();
   context->DetachGlobal();
   define_property->Call(proxy, 0, NULL);
 }
+
+
+THREADED_TEST(CreationContext) {

[Mads Ager (chromium), 2011/04/01 11:19:38]

Would be nice to extend this test with stuff created through the API. In
particular, there is an API function path in your code that you do not test.

[antonm, 2011/04/01 12:15:46]

Done.  I'll add more if you think it's still not enough.

+  HandleScope handle_scope;
+  Persistent<Context> context1 = Context::New();
+  Persistent<Context> context2 = Context::New();
+
+  Local<Object> object1;
+  {
+    Context::Scope scope(context1);
+    object1 = Object::New();
+  }
+
+  Local<Object> object2;
+  {
+    Context::Scope scope(context2);
+    object2 = Object::New();
+  }
+
+  CHECK(object1->CreationContext() == context1);
+  CHECK(object2->CreationContext() == context2);
+
+  {
+    Context::Scope scope(context1);
+    CHECK(object1->CreationContext() == context1);
+    CHECK(object2->CreationContext() == context2);
+  }
+
+  {
+    Context::Scope scope(context2);
+    CHECK(object1->CreationContext() == context1);
+    CHECK(object2->CreationContext() == context2);
+  }
+
+  context1.Dispose();
+  context2.Dispose();
+}