Index: media/base/test_helpers.h |
diff --git a/media/base/test_helpers.h b/media/base/test_helpers.h |
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+// Copyright (c) 2012 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 MEDIA_BASE_TEST_HELPERS_H_ |
+#define MEDIA_BASE_TEST_HELPERS_H_ |
+ |
+#include "base/callback.h" |
+#include "media/base/pipeline_status.h" |
+#include "testing/gmock/include/gmock/gmock.h" |
+ |
+class MessageLoop; |
+ |
+namespace media { |
+ |
+// Return a callback that expects to be run once. |
+base::Closure NewExpectedClosure(); |
+PipelineStatusCB NewExpectedStatusCB(PipelineStatus status); |
+ |
+// Helper class for running a message loop until a callback has run. Useful for |
+// testing classes that run on more than a single thread. |
+// |
+// Events are intended for single use and cannot be reset. |
+class WaitableMessageLoopEvent { |
+ public: |
+ WaitableMessageLoopEvent(); |
+ ~WaitableMessageLoopEvent(); |
+ |
+ // Returns a thread-safe closure that will signal |this| when executed. |
+ base::Closure GetClosure(); |
+ PipelineStatusCB GetPipelineStatusCB(); |
+ |
+ // Runs the current message loop until |this| has been signaled. |
+ // |
+ // Fails the test if the timeout is reached. |
+ void RunAndWait(); |
+ |
+ // Runs the current message loop until |this| has been signaled and asserts |
+ // that the |expected| status was received. |
+ // |
+ // Fails the test if the timeout is reached. |
+ void RunAndWaitForStatus(PipelineStatus expected); |
+ |
+ private: |
+ void OnCallback(PipelineStatus status); |
+ void OnTimeout(); |
+ |
+ MessageLoop* message_loop_; |
+ bool signaled_; |
+ PipelineStatus status_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(WaitableMessageLoopEvent); |
+}; |
+ |
+} // namespace media |
+ |
+#endif // MEDIA_BASE_TEST_HELPERS_H_ |