| // Copyright 2021 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "platform/impl/windows/condition_variable.h" |
| |
| #include <future> // NOLINT |
| |
| #include "absl/time/clock.h" |
| #include "platform/base/exception.h" |
| #include "platform/impl/windows/mutex.h" |
| |
| #include "gtest/gtest.h" |
| |
| class ConditionVariableTests : public testing::Test { |
| public: |
| class ConditionVariableTest { |
| public: |
| ConditionVariableTest() {} |
| |
| std::future<bool> WaitForEvent(bool timedWait, // NOLINT |
| const absl::Duration* timeout) { |
| return std::async( |
| std::launch::async, |
| [this, timedWait, timeout]() mutable { |
| std::thread::id currentThread = std::this_thread::get_id(); |
| |
| if (timedWait == true) { |
| auto result = this->condition_variable_actual_.Wait(*timeout); |
| if (result.value == location::nearby::Exception::kSuccess) { |
| return true; |
| } else { |
| return false; |
| } |
| } else { |
| this->condition_variable_actual_.Wait(); |
| } |
| return true; |
| }); |
| } |
| |
| void PostEvent() { |
| std::lock_guard<std::mutex> guard(mutex_actual_.GetWindowsMutex()); |
| condition_variable_actual_.Notify(); |
| } |
| |
| private: |
| location::nearby::windows::Mutex mutex_actual_ = |
| location::nearby::windows::Mutex( |
| location::nearby::windows::Mutex::Mode::kRegular); |
| location::nearby::windows::Mutex& mutex_ = mutex_actual_; |
| location::nearby::windows::ConditionVariable condition_variable_actual_ = |
| location::nearby::windows::ConditionVariable(&mutex_); |
| location::nearby::windows::ConditionVariable& condition_variable_ = |
| condition_variable_actual_; |
| }; |
| }; |
| |
| TEST_F(ConditionVariableTests, SuccessfulCreation) { |
| // Arrange |
| ConditionVariableTest conditionVariableTest; |
| |
| auto result = conditionVariableTest.WaitForEvent(false, nullptr); |
| |
| Sleep(1); |
| |
| // Act |
| conditionVariableTest.PostEvent(); |
| |
| // Assert |
| ASSERT_TRUE(result.get()); |
| } |
| |
| TEST_F(ConditionVariableTests, TimedCreation) { |
| // Arrange |
| ConditionVariableTest conditionVariableTest; |
| const absl::Duration duration = absl::Milliseconds(100); |
| |
| // Act |
| auto result = conditionVariableTest.WaitForEvent(true, &duration); |
| |
| // Assert |
| ASSERT_FALSE(result.get()); // Timed out |
| |
| // Act |
| result = conditionVariableTest.WaitForEvent(true, &duration); |
| |
| Sleep(1); |
| |
| conditionVariableTest.PostEvent(); |
| |
| // Assert |
| ASSERT_TRUE(result.get()); // Didn't timeout |
| } |