Fix getOwnPropertyDescriptor() support for index properties.

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 3004 matching lines @@
 }
 
 
 static v8::Handle<Value> IdentityIndexedPropertyGetter(
     uint32_t index,
     const AccessorInfo& info) {
   return v8::Integer::New(index);
 }
 
 
+THREADED_TEST(IndexedInterceptorWithGetOwnPropertyDescriptor) {
+  v8::HandleScope scope;
+  Local<ObjectTemplate> templ = ObjectTemplate::New();
+  templ->SetIndexedPropertyHandler(IdentityIndexedPropertyGetter);

[antonm, 2010/09/22 13:26:38]

you probably need to extend this test case for cases when there are setters,
queries and enumerators are present.  But in real life (read, Chromium), we only
have getters, so realistically it's not bad a coverage.

+
+  LocalContext context;
+  context->Global()->Set(v8_str("obj"), templ->NewInstance());
+
+  // Check fast object case.
+  const char* fast_case_code =
+      "Object.getOwnPropertyDescriptor(obj, 0).value.toString()";
+  ExpectString(fast_case_code, "0");
+
+  // Check slow case.
+  const char* slow_case_code =
+      "obj.x = 1; delete obj.x;"
+      "Object.getOwnPropertyDescriptor(obj, 1).value.toString()";
+  ExpectString(slow_case_code, "1");
+}
+
+
 THREADED_TEST(IndexedInterceptorWithNoSetter) {
   v8::HandleScope scope;
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   templ->SetIndexedPropertyHandler(IdentityIndexedPropertyGetter);
 
   LocalContext context;
   context->Global()->Set(v8_str("obj"), templ->NewInstance());
 
   const char* code =
       "try {"
@@ skipping 8335 matching lines @@
 
   {
     // Change the Boolean.prototype in the second context and check
     // that the right function gets called.
     v8::HandleScope scope;
     LocalContext context2;
     CompileRun("Boolean.prototype.toString = function() { return \"\"; }");
     ExpectString(code, "");
   }
 }