| // 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_) |
| std::move(quit_closure_).Run(); |
| } |
| |
| private: |
| Event expected_event_; |
| base::OnceClosure quit_closure_; |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_TEST_EVENT_WAITER_H_ |