Implement V8 extras utils object

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 21660 matching lines @@
   v8::Handle<v8::FunctionTemplate> runtimeFunction =
       v8::FunctionTemplate::New(isolate, ExtrasBindingTestRuntimeFunction);
   binding->Set(v8_str("runtime"), runtimeFunction->GetFunction());
   func = binding->Get(v8_str("testExperimentalExtraShouldCallToRuntime"))
              .As<v8::Function>();
   result = func->Call(undefined, 0, {}).As<v8::Number>();
   CHECK_EQ(7, result->Int32Value());
 }
 
 
+TEST(ExtrasUtilsObject) {
+  LocalContext context;
+  v8::Isolate* isolate = context->GetIsolate();
+  v8::HandleScope handle_scope(isolate);
+
+  LocalContext env;
+  v8::Local<v8::Object> binding = env->GetExtrasBindingObject();
+
+  auto func = binding->Get(v8_str("testExtraCanUseUtils")).As<v8::Function>();
+  auto undefined = v8::Undefined(isolate);
+  auto result = func->Call(undefined, 0, {}).As<v8::Object>();
+
+  auto private_symbol = result->Get(v8_str("privateSymbol")).As<v8::Symbol>();
+  i::Handle<i::Symbol> ips = v8::Utils::OpenHandle(*private_symbol);
+  CHECK_EQ(true, ips->IsPrivate());
+
+  CompileRun("var result = 0; function store(x) { result = x; }");
+  auto store = CompileRun("store").As<v8::Function>();
+
+  auto fulfilled_promise =
+      result->Get(v8_str("fulfilledPromise")).As<v8::Promise>();
+  fulfilled_promise->Then(store);
+  isolate->RunMicrotasks();
+  CHECK_EQ(1, CompileRun("result")->Int32Value());
+
+  auto fulfilled_promise_2 =
+      result->Get(v8_str("fulfilledPromise2")).As<v8::Promise>();
+  fulfilled_promise_2->Then(store);
+  isolate->RunMicrotasks();
+  CHECK_EQ(2, CompileRun("result")->Int32Value());
+
+  auto rejected_promise =
+      result->Get(v8_str("rejectedPromise")).As<v8::Promise>();
+  rejected_promise->Catch(store);
+  isolate->RunMicrotasks();
+  CHECK_EQ(3, CompileRun("result")->Int32Value());
+}
+
+
 TEST(Map) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope handle_scope(isolate);
   LocalContext env;
 
   v8::Local<v8::Map> map = v8::Map::New(isolate);
   CHECK(map->IsObject());
   CHECK(map->IsMap());
   CHECK(map->GetPrototype()->StrictEquals(CompileRun("Map.prototype")));
   CHECK_EQ(0U, map->Size());
@@ skipping 159 matching lines @@
   timeout_thread.Join();
 }
 
 
 TEST(EstimatedContextSize) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   LocalContext env;
   CHECK(50000 < env->EstimatedSize());
 }