Begin implementing V8 bindings for Mojo

gin/test/gtest.cc

Index: gin/test/gtest.cc
diff --git a/gin/test/gtest.cc b/gin/test/gtest.cc
new file mode 100644
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+++ b/gin/test/gtest.cc
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+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "gin/test/gtest.h"
+
+#include "gin/arguments.h"
+#include "gin/converter.h"
+#include "gin/per_isolate_data.h"
+#include "gin/wrapper_info.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace gin {
+
+namespace {
+
+void ExpectTrue(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  Arguments args(info);
+
+  bool value = false;
+  if (!args.Next(&value))
+    return args.ThrowTypeError("Expected bool.");
+
+  std::string description;
+  if (!args.Next(&description))
+    return args.ThrowTypeError("Expected description.");
+
+  EXPECT_TRUE(value) << description;
+}
+
+void ExpectFalse(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  Arguments args(info);
+
+  bool value = false;
+  if (!args.Next(&value))
+    return args.ThrowTypeError("Expected bool.");
+
+  std::string description;
+  if (!args.Next(&description))
+    return args.ThrowTypeError("Expected description.");
+
+  EXPECT_FALSE(value) << description;
+}
+
+void ExpectEqual(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  Arguments args(info);
+
+  std::string description;
+  if (!ConvertFromV8(info[2], &description))
+    return args.ThrowTypeError("Expected description.");
+
+  EXPECT_TRUE(info[0]->StrictEquals(info[1])) << description;
+}
+
+WrapperInfo g_gtest_wrapper_info = {};
+
+}
+
+v8::Local<v8::ObjectTemplate> GTestTemplate(v8::Isolate* isolate) {
+  PerIsolateData* data = PerIsolateData::From(isolate);
+  v8::Local<v8::ObjectTemplate> templ;
+  if (!data->GetObjectTemplate(&g_gtest_wrapper_info, &templ)) {
+    templ = v8::ObjectTemplate::New();
+    templ->Set(StringToV8(isolate, "expectTrue"),
+               v8::FunctionTemplate::New(ExpectTrue));
+    templ->Set(StringToV8(isolate, "expectFalse"),
+               v8::FunctionTemplate::New(ExpectFalse));
+    templ->Set(StringToV8(isolate, "expectEqual"),
+               v8::FunctionTemplate::New(ExpectEqual));
+    data->RegisterObjectTemplate(&g_gtest_wrapper_info, templ);
+  }
+  return templ;
+}
+
+}  // namespace gin