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// Copyright 2015 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.
#ifndef NET_TEST_EVENT_WAITER_H_
#define NET_TEST_EVENT_WAITER_H_
#include "base/run_loop.h"
namespace net {
// Helper class to run a RunLoop until an expected event is reported.
template <typename Event>
class EventWaiter {
public:
// Runs a RunLoop until NotifyEvent() is called with |event|.
void WaitForEvent(Event event) {
expected_event_ = event;
base::RunLoop run_loop;
quit_closure_ = run_loop.QuitClosure();
run_loop.Run();
}
// Unblocks a WaitForEvent() call if it was called with |event|. Otherwise,
// has no effect.
void NotifyEvent(Event event) {
if (!quit_closure_.is_null() && event == expected_event_) {
quit_closure_.Run();
quit_closure_.Reset();
}
}
private:
Event expected_event_;
base::Closure quit_closure_;
};
} // namespace net
#endif // NET_TEST_EVENT_WAITER_H_
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