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      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include "webrtc/base/platform_thread.h"
     12 
     13 #include "testing/gtest/include/gtest/gtest.h"
     14 #include "webrtc/base/scoped_ptr.h"
     15 #include "webrtc/system_wrappers/include/sleep.h"
     16 
     17 namespace webrtc {
     18 
     19 // Function that does nothing, and reports success.
     20 bool NullRunFunction(void* obj) {
     21   SleepMs(0);  // Hand over timeslice, prevents busy looping.
     22   return true;
     23 }
     24 
     25 TEST(PlatformThreadTest, StartStop) {
     26   rtc::PlatformThread thread(&NullRunFunction, nullptr, "PlatformThreadTest");
     27   thread.Start();
     28   thread.Stop();
     29 }
     30 
     31 // Function that sets a boolean.
     32 bool SetFlagRunFunction(void* obj) {
     33   bool* obj_as_bool = static_cast<bool*>(obj);
     34   *obj_as_bool = true;
     35   SleepMs(0);  // Hand over timeslice, prevents busy looping.
     36   return true;
     37 }
     38 
     39 TEST(PlatformThreadTest, RunFunctionIsCalled) {
     40   bool flag = false;
     41   rtc::PlatformThread thread(&SetFlagRunFunction, &flag, "RunFunctionIsCalled");
     42   thread.Start();
     43 
     44   // At this point, the flag may be either true or false.
     45   thread.Stop();
     46 
     47   // We expect the thread to have run at least once.
     48   EXPECT_TRUE(flag);
     49 }
     50 
     51 }  // namespace webrtc
     52