1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "cc/resources/texture_mailbox_deleter.h"
6
7#include "base/message_loop/message_loop_proxy.h"
8#include "cc/resources/single_release_callback.h"
9#include "cc/test/test_context_provider.h"
10#include "cc/test/test_web_graphics_context_3d.h"
11#include "testing/gtest/include/gtest/gtest.h"
12
13namespace cc {
14namespace {
15
16TEST(TextureMailboxDeleterTest, Destroy) {
17  scoped_ptr<TextureMailboxDeleter> deleter(
18      new TextureMailboxDeleter(base::MessageLoopProxy::current()));
19
20  scoped_refptr<TestContextProvider> context_provider =
21      TestContextProvider::Create();
22  context_provider->BindToCurrentThread();
23
24  GLuint texture_id = 0u;
25  context_provider->ContextGL()->GenTextures(1, &texture_id);
26
27  EXPECT_TRUE(context_provider->HasOneRef());
28  EXPECT_EQ(1u, context_provider->TestContext3d()->NumTextures());
29
30  scoped_ptr<SingleReleaseCallback> cb =
31      deleter->GetReleaseCallback(context_provider, texture_id).Pass();
32  EXPECT_FALSE(context_provider->HasOneRef());
33  EXPECT_EQ(1u, context_provider->TestContext3d()->NumTextures());
34
35  // When the deleter is destroyed, it immediately drops its ref on the
36  // ContextProvider, and deletes the texture.
37  deleter.reset();
38  EXPECT_TRUE(context_provider->HasOneRef());
39  EXPECT_EQ(0u, context_provider->TestContext3d()->NumTextures());
40
41  // Run the scoped release callback before destroying it, but it won't do
42  // anything.
43  cb->Run(0, false);
44}
45
46}  // namespace
47}  // namespace cc
48