1 files changed, 149 insertions, 0 deletions
diff --git a/chromium/gin/wrappable_unittest.cc b/chromium/gin/wrappable_unittest.cc
new file mode 100644
index 00000000000..3499eedcc18
--- /dev/null
+++ b/chromium/gin/wrappable_unittest.cc
@@ -0,0 +1,149 @@
+// 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 "base/logging.h"
+#include "gin/arguments.h"
+#include "gin/handle.h"
+#include "gin/object_template_builder.h"
+#include "gin/per_isolate_data.h"
+#include "gin/public/isolate_holder.h"
+#include "gin/test/v8_test.h"
+#include "gin/try_catch.h"
+#include "gin/wrappable.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace gin {
+
+class MyObject : public Wrappable<MyObject> {
+ public:
+  static WrapperInfo kWrapperInfo;
+
+  static gin::Handle<MyObject> Create(v8::Isolate* isolate) {
+    return CreateHandle(isolate, new MyObject());
+  }
+
+  int value() const { return value_; }
+  void set_value(int value) { value_ = value; }
+
+ private:
+  MyObject() : value_(0) {}
+  virtual ~MyObject() {}
+
+  int value_;
+};
+
+class MyObject2 : public Wrappable<MyObject2> {
+ public:
+  static WrapperInfo kWrapperInfo;
+};
+
+class MyObjectBlink : public Wrappable<MyObjectBlink> {
+ public:
+  static WrapperInfo kWrapperInfo;
+};
+
+WrapperInfo MyObject::kWrapperInfo = { kEmbedderNativeGin };
+WrapperInfo MyObject2::kWrapperInfo = { kEmbedderNativeGin };
+WrapperInfo MyObjectBlink::kWrapperInfo = { kEmbedderNativeGin };
+
+void RegisterTemplates(v8::Isolate* isolate) {
+  PerIsolateData* data = PerIsolateData::From(isolate);
+  DCHECK(data->GetObjectTemplate(&MyObject::kWrapperInfo).IsEmpty());
+
+  v8::Handle<v8::ObjectTemplate> templ = ObjectTemplateBuilder(isolate)
+      .SetProperty("value", &MyObject::value, &MyObject::set_value)
+      .Build();
+  templ->SetInternalFieldCount(kNumberOfInternalFields);
+  data->SetObjectTemplate(&MyObject::kWrapperInfo, templ);
+
+  templ = v8::ObjectTemplate::New(isolate);
+  templ->SetInternalFieldCount(kNumberOfInternalFields);
+  data->SetObjectTemplate(&MyObject2::kWrapperInfo, templ);
+
+  templ = v8::ObjectTemplate::New(isolate);
+  templ->SetInternalFieldCount(kNumberOfInternalFields);
+  data->SetObjectTemplate(&MyObjectBlink::kWrapperInfo, templ);
+}
+
+typedef V8Test WrappableTest;
+
+TEST_F(WrappableTest, WrapAndUnwrap) {
+  v8::Isolate* isolate = instance_->isolate();
+  v8::HandleScope handle_scope(isolate);
+
+  RegisterTemplates(isolate);
+  Handle<MyObject> obj = MyObject::Create(isolate);
+
+  v8::Handle<v8::Value> wrapper = ConvertToV8(isolate, obj.get());
+  EXPECT_FALSE(wrapper.IsEmpty());
+
+  MyObject* unwrapped = NULL;
+  EXPECT_TRUE(ConvertFromV8(isolate, wrapper, &unwrapped));
+  EXPECT_EQ(obj.get(), unwrapped);
+}
+
+TEST_F(WrappableTest, UnwrapFailures) {
+  v8::Isolate* isolate = instance_->isolate();
+  v8::HandleScope handle_scope(isolate);
+
+  RegisterTemplates(isolate);
+
+  // Something that isn't an object.
+  v8::Handle<v8::Value> thing = v8::Number::New(42);
+  MyObject* unwrapped = NULL;
+  EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
+  EXPECT_FALSE(unwrapped);
+
+  // An object that's not wrapping anything.
+  thing = v8::Object::New(isolate);
+  EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
+  EXPECT_FALSE(unwrapped);
+
+  // An object that's wrapping a C++ object from Blink.
+  thing.Clear();
+  thing = ConvertToV8(isolate, new MyObjectBlink());
+  EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
+  EXPECT_FALSE(unwrapped);
+
+  // An object that's wrapping a C++ object of the wrong type.
+  thing.Clear();
+  thing = ConvertToV8(isolate, new MyObject2());
+  EXPECT_FALSE(ConvertFromV8(isolate, thing, &unwrapped));
+  EXPECT_FALSE(unwrapped);
+}
+
+TEST_F(WrappableTest, GetAndSetProperty) {
+  v8::Isolate* isolate = instance_->isolate();
+  v8::HandleScope handle_scope(isolate);
+
+  RegisterTemplates(isolate);
+  gin::Handle<MyObject> obj = MyObject::Create(isolate);
+
+  obj->set_value(42);
+  EXPECT_EQ(42, obj->value());
+
+  v8::Handle<v8::String> source = StringToV8(isolate,
+      "(function (obj) {"
+      "   if (obj.value !== 42) throw 'FAIL';"
+      "   else obj.value = 191; })");
+  EXPECT_FALSE(source.IsEmpty());
+
+  gin::TryCatch try_catch;
+  v8::Handle<v8::Script> script = v8::Script::New(source);
+  EXPECT_FALSE(script.IsEmpty());
+  v8::Handle<v8::Value> val = script->Run();
+  EXPECT_FALSE(val.IsEmpty());
+  v8::Handle<v8::Function> func;
+  EXPECT_TRUE(ConvertFromV8(isolate, val, &func));
+  v8::Handle<v8::Value> argv[] = {
+    ConvertToV8(isolate, obj.get()),
+  };
+  func->Call(v8::Undefined(isolate), 1, argv);
+  EXPECT_FALSE(try_catch.HasCaught());
+  EXPECT_EQ("", try_catch.GetStackTrace());
+
+  EXPECT_EQ(191, obj->value());
+}
+
+}  // namespace gin