62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/*
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* Copyright 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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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <scheduler/TimeKeeper.h>
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#include <scheduler/Timer.h>
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#include "AsyncCallRecorder.h"
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namespace android::scheduler {
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struct TestableTimer : public Timer {
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public:
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void makeEpollError() {
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// close the epoll file descriptor to cause an epoll error
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close(mEpollFd);
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}
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};
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struct TimerTest : testing::Test {
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static constexpr int kIterations = 20;
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AsyncCallRecorder<void (*)()> mCallbackRecorder;
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TestableTimer mTimer;
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void timerCallback() { mCallbackRecorder.recordCall(); }
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};
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TEST_F(TimerTest, callsCallbackIfScheduledInPast) {
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for (int i = 0; i < kIterations; i++) {
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mTimer.alarmAt(std::bind(&TimerTest::timerCallback, this), systemTime() - 1'000'000);
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EXPECT_TRUE(mCallbackRecorder.waitForCall().has_value());
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EXPECT_FALSE(mCallbackRecorder.waitForUnexpectedCall().has_value());
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}
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}
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TEST_F(TimerTest, recoversAfterEpollError) {
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for (int i = 0; i < kIterations; i++) {
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mTimer.makeEpollError();
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mTimer.alarmAt(std::bind(&TimerTest::timerCallback, this), systemTime() - 1'000'000);
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EXPECT_TRUE(mCallbackRecorder.waitForCall().has_value());
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EXPECT_FALSE(mCallbackRecorder.waitForUnexpectedCall().has_value());
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}
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}
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} // namespace android::scheduler
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