Expose hasOwnProperty() through API.

test/cctest/test-api.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 184 matching lines @@
   env->Global()->Set(v8_str("UnrelFun"), unrel_fun->GetFunction());
   CompileRun(
       "var o = new UnrelFun();"
       "o.m = Fun.prototype.m;"
       "o.m();");
   CHECK_EQ(2, signature_callback_count);
   CHECK(try_catch.HasCaught());
 }
 
 
+TEST(HasOwnProperty) {
+  v8::HandleScope scope;
+  LocalContext env;
+  Handle<Value> value = CompileRun(
+      "function Foo() { this.foo = 11; };"
+      "function Bar() { this.bar = 13; };"
+      "Bar.prototype = new Foo();"
+      "new Bar();");
+  CHECK(value->IsObject());
+  Handle<Object> object = value->ToObject();

[Vitaly Repeshko, 2011/04/27 09:03:59]

It'd be interesting to test this with __defineGetter__, callbacks, and
interceptors.

[Karl Klose, 2011/04/28 08:32:43]

Done.

+  CHECK_EQ(true, object->Has(v8_str("foo")));
+  CHECK_EQ(false, object->HasOwnProperty(v8_str("foo")));
+  CHECK_EQ(true, object->HasOwnProperty(v8_str("bar")));
+}
 
 
 THREADED_TEST(ArgumentSignature) {
   v8::HandleScope scope;
   LocalContext env;
   v8::Handle<v8::FunctionTemplate> cons = v8::FunctionTemplate::New();
   cons->SetClassName(v8_str("Cons"));
   v8::Handle<v8::Signature> sig =
       v8::Signature::New(v8::Handle<v8::FunctionTemplate>(), 1, &cons);
   v8::Handle<v8::FunctionTemplate> fun =
@@ skipping 13689 matching lines @@
     CHECK(func2->CreationContext() == context2);
     CheckContextId(func2, 2);
     CHECK(instance2->CreationContext() == context2);
     CheckContextId(instance2, 2);
   }
 
   context1.Dispose();
   context2.Dispose();
   context3.Dispose();
 }