folly/test/BatonTest.cpp

   1 /*
   2  * Copyright 2016 Facebook, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <folly/Baton.h>
  18 #include <folly/test/BatonTestHelpers.h>
  19 #include <folly/test/DeterministicSchedule.h>
  20 #include <folly/portability/GTest.h>
  21
  22 #include <thread>
  23 #include <semaphore.h>
  24
  25 using namespace folly;
  26 using namespace folly::test;
  27 using folly::detail::EmulatedFutexAtomic;
  28
  29 TEST(Baton, basic) {
  30   Baton<> b;
  31   b.post();
  32   b.wait();
  33 }
  34
  35 TEST(Baton, pingpong) {
  36   DSched sched(DSched::uniform(0));
  37
  38   run_pingpong_test<DeterministicAtomic>(1000);
  39 }
  40
  41 TEST(Baton, timed_wait_basic_system_clock) {
  42   run_basic_timed_wait_tests<std::atomic, std::chrono::system_clock>();
  43   run_basic_timed_wait_tests<EmulatedFutexAtomic, std::chrono::system_clock>();
  44   run_basic_timed_wait_tests<DeterministicAtomic, std::chrono::system_clock>();
  45 }
  46
  47 TEST(Baton, timed_wait_timeout_system_clock) {
  48   run_timed_wait_tmo_tests<std::atomic, std::chrono::system_clock>();
  49   run_timed_wait_tmo_tests<EmulatedFutexAtomic, std::chrono::system_clock>();
  50   run_timed_wait_tmo_tests<DeterministicAtomic, std::chrono::system_clock>();
  51 }
  52
  53 TEST(Baton, timed_wait_system_clock) {
  54   run_timed_wait_regular_test<std::atomic, std::chrono::system_clock>();
  55   run_timed_wait_regular_test<EmulatedFutexAtomic, std::chrono::system_clock>();
  56   run_timed_wait_regular_test<DeterministicAtomic, std::chrono::system_clock>();
  57 }
  58
  59 TEST(Baton, timed_wait_basic_steady_clock) {
  60   run_basic_timed_wait_tests<std::atomic, std::chrono::steady_clock>();
  61   run_basic_timed_wait_tests<EmulatedFutexAtomic, std::chrono::steady_clock>();
  62   run_basic_timed_wait_tests<DeterministicAtomic, std::chrono::steady_clock>();
  63 }
  64
  65 TEST(Baton, timed_wait_timeout_steady_clock) {
  66   run_timed_wait_tmo_tests<std::atomic, std::chrono::steady_clock>();
  67   run_timed_wait_tmo_tests<EmulatedFutexAtomic, std::chrono::steady_clock>();
  68   run_timed_wait_tmo_tests<DeterministicAtomic, std::chrono::steady_clock>();
  69 }
  70
  71 TEST(Baton, timed_wait_steady_clock) {
  72   run_timed_wait_regular_test<std::atomic, std::chrono::steady_clock>();
  73   run_timed_wait_regular_test<EmulatedFutexAtomic, std::chrono::steady_clock>();
  74   run_timed_wait_regular_test<DeterministicAtomic, std::chrono::steady_clock>();
  75 }
  76
  77 TEST(Baton, try_wait) {
  78   run_try_wait_tests<std::atomic>();
  79   run_try_wait_tests<EmulatedFutexAtomic>();
  80   run_try_wait_tests<DeterministicAtomic>();
  81 }