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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 "cc/resources/texture_mailbox_deleter.h"
#include "base/message_loop/message_loop_proxy.h"
#include "cc/resources/single_release_callback.h"
#include "cc/test/test_context_provider.h"
#include "cc/test/test_web_graphics_context_3d.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
TEST(TextureMailboxDeleterTest, Destroy) {
scoped_ptr<TextureMailboxDeleter> deleter(
new TextureMailboxDeleter(base::MessageLoopProxy::current()));
scoped_refptr<TestContextProvider> context_provider =
TestContextProvider::Create();
context_provider->BindToCurrentThread();
GLuint texture_id = 0u;
context_provider->ContextGL()->GenTextures(1, &texture_id);
EXPECT_TRUE(context_provider->HasOneRef());
EXPECT_EQ(1u, context_provider->TestContext3d()->NumTextures());
scoped_ptr<SingleReleaseCallback> cb =
deleter->GetReleaseCallback(context_provider, texture_id).Pass();
EXPECT_FALSE(context_provider->HasOneRef());
EXPECT_EQ(1u, context_provider->TestContext3d()->NumTextures());
// When the deleter is destroyed, it immediately drops its ref on the
// ContextProvider, and deletes the texture.
deleter = nullptr;
EXPECT_TRUE(context_provider->HasOneRef());
EXPECT_EQ(0u, context_provider->TestContext3d()->NumTextures());
// Run the scoped release callback before destroying it, but it won't do
// anything.
cb->Run(0, false);
}
} // namespace
} // namespace cc
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