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// Copyright (c) 2011 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/bind.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/message_loop_proxy.h"
#include "content/browser/browser_thread_impl.h"
#include "content/test/test_browser_thread.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace content {
class BrowserThreadTest : public testing::Test {
public:
void Release() const {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
loop_.PostTask(FROM_HERE, MessageLoop::QuitClosure());
}
protected:
virtual void SetUp() {
ui_thread_.reset(new BrowserThreadImpl(BrowserThread::UI));
file_thread_.reset(new BrowserThreadImpl(BrowserThread::FILE));
ui_thread_->Start();
file_thread_->Start();
}
virtual void TearDown() {
ui_thread_->Stop();
file_thread_->Stop();
}
static void BasicFunction(MessageLoop* message_loop) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
message_loop->PostTask(FROM_HERE, MessageLoop::QuitClosure());
}
static void DoNothing() {
}
class DummyTask : public Task {
public:
explicit DummyTask(bool* deleted) : deleted_(deleted) { }
~DummyTask() {
*deleted_ = true;
}
void Run() {
CHECK(false);
}
private:
bool* deleted_;
};
class DeletedOnFile
: public base::RefCountedThreadSafe<
DeletedOnFile, BrowserThread::DeleteOnFileThread> {
public:
explicit DeletedOnFile(MessageLoop* message_loop)
: message_loop_(message_loop) { }
~DeletedOnFile() {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
message_loop_->PostTask(FROM_HERE, MessageLoop::QuitClosure());
}
private:
MessageLoop* message_loop_;
};
class NeverDeleted
: public base::RefCountedThreadSafe<
NeverDeleted, BrowserThread::DeleteOnWebKitThread> {
public:
~NeverDeleted() {
CHECK(false);
}
};
private:
scoped_ptr<BrowserThreadImpl> ui_thread_;
scoped_ptr<BrowserThreadImpl> file_thread_;
// It's kind of ugly to make this mutable - solely so we can post the Quit
// Task from Release(). This should be fixed.
mutable MessageLoop loop_;
};
TEST_F(BrowserThreadTest, PostTask) {
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&BasicFunction, MessageLoop::current()));
MessageLoop::current()->Run();
}
TEST_F(BrowserThreadTest, Release) {
BrowserThread::ReleaseSoon(BrowserThread::UI, FROM_HERE, this);
MessageLoop::current()->Run();
}
TEST_F(BrowserThreadTest, TaskToNonExistentThreadIsDeleted) {
bool deleted = false;
BrowserThread::PostTask(
BrowserThread::WEBKIT, FROM_HERE,
new DummyTask(&deleted));
EXPECT_TRUE(deleted);
}
TEST_F(BrowserThreadTest, ReleasedOnCorrectThread) {
{
scoped_refptr<DeletedOnFile> test(
new DeletedOnFile(MessageLoop::current()));
}
MessageLoop::current()->Run();
}
TEST_F(BrowserThreadTest, NotReleasedIfTargetThreadNonExistent) {
scoped_refptr<NeverDeleted> test(new NeverDeleted());
}
TEST_F(BrowserThreadTest, PostTaskViaMessageLoopProxy) {
scoped_refptr<base::MessageLoopProxy> message_loop_proxy =
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE);
message_loop_proxy->PostTask(
FROM_HERE, base::Bind(&BasicFunction, MessageLoop::current()));
MessageLoop::current()->Run();
}
TEST_F(BrowserThreadTest, ReleaseViaMessageLoopProxy) {
scoped_refptr<base::MessageLoopProxy> message_loop_proxy =
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI);
message_loop_proxy->ReleaseSoon(FROM_HERE, this);
MessageLoop::current()->Run();
}
TEST_F(BrowserThreadTest, PostTaskAndReply) {
// Most of the heavy testing for PostTaskAndReply() is done inside the
// MessageLoopProxy test. This just makes sure we get piped through at all.
ASSERT_TRUE(BrowserThread::PostTaskAndReply(
BrowserThread::FILE,
FROM_HERE,
base::Bind(&BrowserThreadTest::DoNothing),
base::Bind(&MessageLoop::Quit,
base::Unretained(MessageLoop::current()->current()))));
MessageLoop::current()->Run();
}
TEST_F(BrowserThreadTest, TaskToNonExistentThreadIsDeletedViaMessageLoopProxy) {
bool deleted = false;
scoped_refptr<base::MessageLoopProxy> message_loop_proxy =
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::WEBKIT);
message_loop_proxy->PostTask(FROM_HERE, new DummyTask(&deleted));
EXPECT_TRUE(deleted);
}
TEST_F(BrowserThreadTest, PostTaskViaMessageLoopProxyAfterThreadExits) {
scoped_ptr<BrowserThreadImpl> io_thread(
new BrowserThreadImpl(BrowserThread::IO));
io_thread->Start();
io_thread->Stop();
bool deleted = false;
scoped_refptr<base::MessageLoopProxy> message_loop_proxy =
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
bool ret = message_loop_proxy->PostTask(FROM_HERE, new DummyTask(&deleted));
EXPECT_FALSE(ret);
EXPECT_TRUE(deleted);
}
TEST_F(BrowserThreadTest, PostTaskViaMessageLoopProxyAfterThreadIsDeleted) {
{
scoped_ptr<BrowserThreadImpl> io_thread(
new BrowserThreadImpl(BrowserThread::IO));
io_thread->Start();
}
bool deleted = false;
scoped_refptr<base::MessageLoopProxy> message_loop_proxy =
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
bool ret = message_loop_proxy->PostTask(FROM_HERE, new DummyTask(&deleted));
EXPECT_FALSE(ret);
EXPECT_TRUE(deleted);
}
}
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