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 <thread>
  21 #include <semaphore.h>
  22 #include <gtest/gtest.h>
  23
  24 using namespace folly;
  25 using namespace folly::test;
  26 using folly::detail::EmulatedFutexAtomic;
  27
  28 TEST(Baton, basic) {
  29   Baton<> b;
  30   b.post();
  31   b.wait();
  32 }
  33
  34 TEST(Baton, pingpong) {
  35   DSched sched(DSched::uniform(0));
  36
  37   run_pingpong_test<DeterministicAtomic>(1000);
  38 }
  39
  40 TEST(Baton, timed_wait_basic_system_clock) {
  41   run_basic_timed_wait_tests<std::atomic, std::chrono::system_clock>();
  42   run_basic_timed_wait_tests<EmulatedFutexAtomic, std::chrono::system_clock>();
  43   run_basic_timed_wait_tests<DeterministicAtomic, std::chrono::system_clock>();
  44 }
  45
  46 TEST(Baton, timed_wait_timeout_system_clock) {
  47   run_timed_wait_tmo_tests<std::atomic, std::chrono::system_clock>();
  48   run_timed_wait_tmo_tests<EmulatedFutexAtomic, std::chrono::system_clock>();
  49   run_timed_wait_tmo_tests<DeterministicAtomic, std::chrono::system_clock>();
  50 }
  51
  52 TEST(Baton, timed_wait_system_clock) {
  53   run_timed_wait_regular_test<std::atomic, std::chrono::system_clock>();
  54   run_timed_wait_regular_test<EmulatedFutexAtomic, std::chrono::system_clock>();
  55   run_timed_wait_regular_test<DeterministicAtomic, std::chrono::system_clock>();
  56 }
  57
  58 TEST(Baton, timed_wait_basic_steady_clock) {
  59   run_basic_timed_wait_tests<std::atomic, std::chrono::steady_clock>();
  60   run_basic_timed_wait_tests<EmulatedFutexAtomic, std::chrono::steady_clock>();
  61   run_basic_timed_wait_tests<DeterministicAtomic, std::chrono::steady_clock>();
  62 }
  63
  64 TEST(Baton, timed_wait_timeout_steady_clock) {
  65   run_timed_wait_tmo_tests<std::atomic, std::chrono::steady_clock>();
  66   run_timed_wait_tmo_tests<EmulatedFutexAtomic, std::chrono::steady_clock>();
  67   run_timed_wait_tmo_tests<DeterministicAtomic, std::chrono::steady_clock>();
  68 }
  69
  70 TEST(Baton, timed_wait_steady_clock) {
  71   run_timed_wait_regular_test<std::atomic, std::chrono::steady_clock>();
  72   run_timed_wait_regular_test<EmulatedFutexAtomic, std::chrono::steady_clock>();
  73   run_timed_wait_regular_test<DeterministicAtomic, std::chrono::steady_clock>();
  74 }
  75
  76 TEST(Baton, try_wait) {
  77   run_try_wait_tests<std::atomic>();
  78   run_try_wait_tests<EmulatedFutexAtomic>();
  79   run_try_wait_tests<DeterministicAtomic>();
  80 }