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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 "base/basictypes.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/message_loop/message_loop_proxy.h"
#include "base/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/browser/fileapi/timed_task_helper.h"
namespace fileapi {
namespace {
class Embedder {
public:
Embedder()
: timer_(base::MessageLoopProxy::current().get()), timer_fired_(false) {}
void OnTimerFired() {
timer_fired_ = true;
}
TimedTaskHelper* timer() { return &timer_; }
bool timer_fired() const { return timer_fired_; }
private:
TimedTaskHelper timer_;
bool timer_fired_;
};
} // namespace
TEST(TimedTaskHelper, FireTimerWhenAlive) {
base::MessageLoop message_loop;
Embedder embedder;
ASSERT_FALSE(embedder.timer_fired());
ASSERT_FALSE(embedder.timer()->IsRunning());
embedder.timer()->Start(
FROM_HERE,
base::TimeDelta::FromSeconds(0),
base::Bind(&Embedder::OnTimerFired, base::Unretained(&embedder)));
ASSERT_TRUE(embedder.timer()->IsRunning());
embedder.timer()->Reset();
ASSERT_TRUE(embedder.timer()->IsRunning());
base::MessageLoop::current()->RunUntilIdle();
ASSERT_TRUE(embedder.timer_fired());
}
TEST(TimedTaskHelper, FireTimerWhenAlreadyDeleted) {
base::MessageLoop message_loop;
// Run message loop after embedder is already deleted to make sure callback
// doesn't cause a crash for use after free.
{
Embedder embedder;
ASSERT_FALSE(embedder.timer_fired());
ASSERT_FALSE(embedder.timer()->IsRunning());
embedder.timer()->Start(
FROM_HERE,
base::TimeDelta::FromSeconds(0),
base::Bind(&Embedder::OnTimerFired, base::Unretained(&embedder)));
ASSERT_TRUE(embedder.timer()->IsRunning());
}
// At this point the callback is still in the message queue but
// embedder is gone.
base::MessageLoop::current()->RunUntilIdle();
}
} // namespace fileapi
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