125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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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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* http://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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*/
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#define LOG_TAG "VibratorHalWrapperAidlTest"
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#include <android-base/thread_annotations.h>
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#include <android/hardware/vibrator/IVibrator.h>
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#include <condition_variable>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <utils/Log.h>
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#include <thread>
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#include <vibratorservice/VibratorCallbackScheduler.h>
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using std::chrono::milliseconds;
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using std::chrono::steady_clock;
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using std::chrono::time_point;
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using namespace android;
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using namespace std::chrono_literals;
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using namespace testing;
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// -------------------------------------------------------------------------------------------------
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class VibratorCallbackSchedulerTest : public Test {
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public:
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void SetUp() override {
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mScheduler = std::make_unique<vibrator::CallbackScheduler>();
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std::lock_guard<std::mutex> lock(mMutex);
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mExpiredCallbacks.clear();
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}
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protected:
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std::mutex mMutex;
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std::condition_variable_any mCondition;
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std::unique_ptr<vibrator::CallbackScheduler> mScheduler = nullptr;
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std::vector<int32_t> mExpiredCallbacks GUARDED_BY(mMutex);
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std::function<void()> createCallback(int32_t id) {
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return [=]() {
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{
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std::lock_guard<std::mutex> lock(mMutex);
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mExpiredCallbacks.push_back(id);
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}
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mCondition.notify_all();
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};
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}
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std::vector<int32_t> getExpiredCallbacks() {
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std::lock_guard<std::mutex> lock(mMutex);
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return std::vector<int32_t>(mExpiredCallbacks);
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}
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bool waitForCallbacks(uint32_t callbackCount, milliseconds timeout) {
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time_point<steady_clock> expiration = steady_clock::now() + timeout;
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while (steady_clock::now() < expiration) {
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std::lock_guard<std::mutex> lock(mMutex);
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if (callbackCount <= mExpiredCallbacks.size()) {
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return true;
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}
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mCondition.wait_until(mMutex, expiration);
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}
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return false;
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}
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};
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// -------------------------------------------------------------------------------------------------
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TEST_F(VibratorCallbackSchedulerTest, TestScheduleRunsOnlyAfterDelay) {
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mScheduler->schedule(createCallback(1), 15ms);
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// Not triggered before delay.
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ASSERT_FALSE(waitForCallbacks(1, 10ms));
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ASSERT_TRUE(getExpiredCallbacks().empty());
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ASSERT_TRUE(waitForCallbacks(1, 10ms));
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ASSERT_THAT(getExpiredCallbacks(), ElementsAre(1));
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}
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TEST_F(VibratorCallbackSchedulerTest, TestScheduleMultipleCallbacksRunsInDelayOrder) {
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mScheduler->schedule(createCallback(1), 10ms);
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mScheduler->schedule(createCallback(2), 5ms);
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mScheduler->schedule(createCallback(3), 1ms);
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ASSERT_TRUE(waitForCallbacks(3, 15ms));
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ASSERT_THAT(getExpiredCallbacks(), ElementsAre(3, 2, 1));
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}
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TEST_F(VibratorCallbackSchedulerTest, TestScheduleInParallelRunsInDelayOrder) {
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std::vector<std::thread> threads;
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for (int i = 0; i < 5; i++) {
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threads.push_back(std::thread(
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[=]() { mScheduler->schedule(createCallback(i), milliseconds(10 + 2 * i)); }));
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}
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std::for_each(threads.begin(), threads.end(), [](std::thread& t) { t.join(); });
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ASSERT_TRUE(waitForCallbacks(5, 25ms));
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ASSERT_THAT(getExpiredCallbacks(), ElementsAre(0, 1, 2, 3, 4));
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}
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TEST_F(VibratorCallbackSchedulerTest, TestDestructorDropsPendingCallbacksAndKillsThread) {
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mScheduler->schedule(createCallback(1), 5ms);
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mScheduler.reset(nullptr);
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// Should time out waiting for callback to run.
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ASSERT_FALSE(waitForCallbacks(1, 10ms));
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ASSERT_TRUE(getExpiredCallbacks().empty());
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}
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