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99 lines
2.9 KiB
99 lines
2.9 KiB
4 months ago
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/*
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* Copyright 2019 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 "os/alarm.h"
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#include <future>
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#include "common/bind.h"
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#include "gtest/gtest.h"
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namespace bluetooth {
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namespace os {
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namespace {
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using common::BindOnce;
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class AlarmTest : public ::testing::Test {
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protected:
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void SetUp() override {
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thread_ = new Thread("test_thread", Thread::Priority::NORMAL);
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handler_ = new Handler(thread_);
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alarm_ = new Alarm(handler_);
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}
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void TearDown() override {
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delete alarm_;
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handler_->Clear();
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delete handler_;
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delete thread_;
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}
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Alarm* alarm_;
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private:
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Handler* handler_;
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Thread* thread_;
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};
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TEST_F(AlarmTest, cancel_while_not_armed) {
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alarm_->Cancel();
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}
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TEST_F(AlarmTest, schedule) {
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std::promise<void> promise;
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auto future = promise.get_future();
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auto before = std::chrono::steady_clock::now();
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int delay_ms = 10;
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int delay_error_ms = 3;
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alarm_->Schedule(
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BindOnce(&std::promise<void>::set_value, common::Unretained(&promise)), std::chrono::milliseconds(delay_ms));
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future.get();
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auto after = std::chrono::steady_clock::now();
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auto duration_ms = std::chrono::duration_cast<std::chrono::milliseconds>(after - before);
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ASSERT_NEAR(duration_ms.count(), delay_ms, delay_error_ms);
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}
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TEST_F(AlarmTest, cancel_alarm) {
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alarm_->Schedule(BindOnce([]() { ASSERT_TRUE(false) << "Should not happen"; }), std::chrono::milliseconds(3));
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alarm_->Cancel();
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std::this_thread::sleep_for(std::chrono::milliseconds(5));
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}
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TEST_F(AlarmTest, cancel_alarm_from_callback) {
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alarm_->Schedule(BindOnce(&Alarm::Cancel, common::Unretained(alarm_)), std::chrono::milliseconds(1));
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std::this_thread::sleep_for(std::chrono::milliseconds(5));
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}
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TEST_F(AlarmTest, schedule_while_alarm_armed) {
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alarm_->Schedule(BindOnce([]() { ASSERT_TRUE(false) << "Should not happen"; }), std::chrono::milliseconds(1));
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std::promise<void> promise;
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auto future = promise.get_future();
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alarm_->Schedule(
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BindOnce(&std::promise<void>::set_value, common::Unretained(&promise)), std::chrono::milliseconds(10));
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future.get();
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}
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TEST_F(AlarmTest, delete_while_alarm_armed) {
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alarm_->Schedule(BindOnce([]() { ASSERT_TRUE(false) << "Should not happen"; }), std::chrono::milliseconds(1));
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delete alarm_;
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alarm_ = nullptr;
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std::this_thread::sleep_for(std::chrono::milliseconds(10));
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}
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} // namespace
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} // namespace os
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} // namespace bluetooth
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