api: Object::CachedProperty

test/cctest/test-api.cc

 // Copyright 2012 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 6386 matching lines @@
     CHECK_NE(obj, context->Global()->Get(v8_str("o")));
     context->Global()->Set(v8_str("o2"), obj);
     v8::Handle<Value> value =
         Script::Compile(v8_str("o.__proto__ === o2.__proto__"))->Run();
     CHECK_EQ(v8::True(), value);
     context->Global()->Set(v8_str("o"), obj);
   }
 }
 
 
+THREADED_TEST(ObjectPropertyCache) {
+  v8::HandleScope scope(v8::Isolate::GetCurrent());
+  const char* extension_list[] = { "v8/gc" };
+  v8::ExtensionConfiguration extensions(1, extension_list);
+  LocalContext context(&extensions);
+
+  v8::Handle<v8::Object> obj = v8::Object::New();
+  Handle<String> symbol = String::NewSymbol("key");
+  Handle<v8::Number> num = v8::Number::New(42);
+  static v8::Object::CachedProperty property(symbol);
+  for (int i = 0; i < 100; i++) {
+    obj->Set(property, num);
+    CHECK_EQ(obj->Get(property)->Int32Value(), 42);
+    if (i % 10 == 0) v8_compile("gc();")->Run();
+  }
+}
+
+
 static int StrCmp16(uint16_t* a, uint16_t* b) {
   while (true) {
     if (*a == 0 && *b == 0) return 0;
     if (*a != *b) return 0 + *a - *b;
     a++;
     b++;
   }
 }
 
 
@@ skipping 12340 matching lines @@
   i::Semaphore* sem_;
   volatile int sem_value_;
 };
 
 
 THREADED_TEST(SemaphoreInterruption) {
   ThreadInterruptTest().RunTest();
 }
 
 #endif  // WIN32