1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_TEST_TEST_TIMEOUTS_H_ 6 #define BASE_TEST_TEST_TIMEOUTS_H_ 7 8 #include "base/logging.h" 9 #include "base/macros.h" 10 #include "base/time/time.h" 11 12 // Returns common timeouts to use in tests. Makes it possible to adjust 13 // the timeouts for different environments (like TSan). 14 class TestTimeouts { 15 public: 16 // Initializes the timeouts. Non thread-safe. Should be called exactly once 17 // by the test suite. 18 static void Initialize(); 19 20 // Timeout for actions that are expected to finish "almost instantly". This 21 // is used in various tests to post delayed tasks and usually functions more 22 // like a delay value than a timeout. tiny_timeout()23 static base::TimeDelta tiny_timeout() { 24 DCHECK(initialized_); 25 return base::TimeDelta::FromMilliseconds(tiny_timeout_ms_); 26 } 27 28 // Timeout to wait for something to happen. If you are not sure 29 // which timeout to use, this is the one you want. action_timeout()30 static base::TimeDelta action_timeout() { 31 DCHECK(initialized_); 32 return base::TimeDelta::FromMilliseconds(action_timeout_ms_); 33 } 34 35 // Timeout longer than the above, but still suitable to use 36 // multiple times in a single test. Use if the timeout above 37 // is not sufficient. action_max_timeout()38 static base::TimeDelta action_max_timeout() { 39 DCHECK(initialized_); 40 return base::TimeDelta::FromMilliseconds(action_max_timeout_ms_); 41 } 42 43 // Timeout for a single test launched used built-in test launcher. 44 // Do not use outside of the test launcher. test_launcher_timeout()45 static base::TimeDelta test_launcher_timeout() { 46 DCHECK(initialized_); 47 return base::TimeDelta::FromMilliseconds(test_launcher_timeout_ms_); 48 } 49 50 private: 51 static bool initialized_; 52 53 static int tiny_timeout_ms_; 54 static int action_timeout_ms_; 55 static int action_max_timeout_ms_; 56 static int test_launcher_timeout_ms_; 57 58 DISALLOW_IMPLICIT_CONSTRUCTORS(TestTimeouts); 59 }; 60 61 #endif // BASE_TEST_TEST_TIMEOUTS_H_ 62