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