Primiano Tucci | 575af77 | 2017-11-08 18:14:17 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 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 | |
Oystein Eftevaag | dd727e4 | 2017-12-05 08:49:55 -0800 | [diff] [blame^] | 17 | #include "perfetto_base/thread_checker.h" |
Primiano Tucci | 575af77 | 2017-11-08 18:14:17 +0000 | [diff] [blame] | 18 | |
| 19 | #include <pthread.h> |
| 20 | |
Primiano Tucci | 22c8417 | 2017-11-09 13:54:45 +0000 | [diff] [blame] | 21 | #include <functional> |
Primiano Tucci | 575af77 | 2017-11-08 18:14:17 +0000 | [diff] [blame] | 22 | #include <memory> |
| 23 | |
| 24 | #include "gtest/gtest.h" |
| 25 | |
| 26 | namespace perfetto { |
| 27 | namespace base { |
| 28 | namespace { |
| 29 | |
| 30 | // We just need two distinct pointers to return to pthread_join(). |
| 31 | void* const kTrue = reinterpret_cast<void*>(1); |
| 32 | void* const kFalse = nullptr; |
| 33 | |
| 34 | void* RunOnThread(std::function<void*(void)> closure) { |
| 35 | pthread_t thread; |
| 36 | auto thread_main = [](void* arg) -> void* { |
| 37 | pthread_exit((*reinterpret_cast<std::function<void*(void)>*>(arg))()); |
| 38 | }; |
| 39 | EXPECT_EQ(0, pthread_create(&thread, nullptr, thread_main, &closure)); |
| 40 | void* retval = nullptr; |
| 41 | EXPECT_EQ(0, pthread_join(thread, &retval)); |
| 42 | return retval; |
| 43 | } |
| 44 | |
| 45 | TEST(ThreadCheckerTest, Basic) { |
| 46 | ThreadChecker thread_checker; |
| 47 | ASSERT_TRUE(thread_checker.CalledOnValidThread()); |
| 48 | void* res = RunOnThread([&thread_checker]() -> void* { |
| 49 | return thread_checker.CalledOnValidThread() ? kTrue : kFalse; |
| 50 | }); |
| 51 | ASSERT_TRUE(thread_checker.CalledOnValidThread()); |
| 52 | ASSERT_EQ(kFalse, res); |
| 53 | } |
| 54 | |
| 55 | TEST(ThreadCheckerTest, Detach) { |
| 56 | ThreadChecker thread_checker; |
| 57 | ASSERT_TRUE(thread_checker.CalledOnValidThread()); |
| 58 | thread_checker.DetachFromThread(); |
| 59 | void* res = RunOnThread([&thread_checker]() -> void* { |
| 60 | return thread_checker.CalledOnValidThread() ? kTrue : kFalse; |
| 61 | }); |
| 62 | ASSERT_EQ(kTrue, res); |
| 63 | ASSERT_FALSE(thread_checker.CalledOnValidThread()); |
| 64 | } |
| 65 | |
| 66 | TEST(ThreadCheckerTest, CopyConstructor) { |
| 67 | ThreadChecker thread_checker; |
| 68 | ThreadChecker copied_thread_checker = thread_checker; |
| 69 | ASSERT_TRUE(thread_checker.CalledOnValidThread()); |
| 70 | ASSERT_TRUE(copied_thread_checker.CalledOnValidThread()); |
| 71 | void* res = RunOnThread([&copied_thread_checker]() -> void* { |
| 72 | return copied_thread_checker.CalledOnValidThread() ? kTrue : kFalse; |
| 73 | }); |
| 74 | ASSERT_EQ(kFalse, res); |
| 75 | |
| 76 | copied_thread_checker.DetachFromThread(); |
| 77 | res = RunOnThread([&thread_checker, &copied_thread_checker]() -> void* { |
| 78 | return (copied_thread_checker.CalledOnValidThread() && |
| 79 | !thread_checker.CalledOnValidThread()) |
| 80 | ? kTrue |
| 81 | : kFalse; |
| 82 | }); |
| 83 | ASSERT_EQ(kTrue, res); |
| 84 | } |
| 85 | |
| 86 | } // namespace |
| 87 | } // namespace base |
| 88 | } // namespace perfetto |