Alarm: Add a test using kernel timerfd (7ff6e1dc) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/Android.bp

+43 −0

Original line number	Diff line number	Diff line
		@@ -365,6 +365,49 @@ cc_binary {
		},
		}

		cc_test {
		name: "bluetooth_test_with_timerfd",
		test_suites: ["general-tests"],
		defaults: [
		"gd_defaults",
		"mts_defaults",
		],
		include_dirs: [
		"packages/modules/Bluetooth/system",
		"packages/modules/Bluetooth/system/include",
		"packages/modules/Bluetooth/system/types",
		],
		host_supported: true,
		target: {
		host: {
		srcs: [
		":BluetoothOsSystemProperties_host",
		],
		},
		android: {
		srcs: [
		":BluetoothOsSystemProperties_android",
		],
		},
		},
		srcs: [
		":BluetoothOsTestSources_timerfd",
		],
		static_libs: [
		"libbluetooth_log",
		"libchrome",
		"libgmock",
		],
		shared_libs: [
		"libbase",
		"liblog",
		],
		sanitize: {
		address: true,
		},
		min_sdk_version: "Tiramisu",
		}

		cc_test {
		name: "bluetooth_test_gd_unit",
		test_suites: ["general-tests"],

system/gd/os/Android.bp

+29 −0

Original line number	Diff line number	Diff line
		@@ -104,3 +104,32 @@ filegroup {
		"fake_timer/fake_timerfd.cc",
		],
		}

		filegroup {
		name: "BluetoothOsSystemProperties_android",
		srcs: [
		"android/system_properties.cc",
		],
		}

		filegroup {
		name: "BluetoothOsSystemProperties_host",
		srcs: [
		"host/system_properties.cc",
		],
		}

		filegroup {
		name: "BluetoothOsTestSources_timerfd",
		srcs: [
		"handler.cc",
		"linux_generic/alarm.cc",
		"linux_generic/alarm_timerfd_unittest.cc",
		"linux_generic/files.cc",
		"linux_generic/reactive_semaphore.cc",
		"linux_generic/reactor.cc",
		"linux_generic/repeating_alarm.cc",
		"linux_generic/thread.cc",
		"system_properties_common.cc",
		],
		}

system/gd/os/linux_generic/alarm_timerfd_unittest.cc

0 → 100644

+152 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2024 The Android Open Source Project
		*
		* 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
		*
		* http://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 "os/alarm.h"

		#include <cctype>
		#include <chrono>
		#include <future>
		#include <memory>

		#include "common/bind.h"
		#include "gtest/gtest.h"


		namespace bluetooth::common {

		struct IsSpace {
		bool operator()(std::string::value_type v) {
		return isspace(static_cast<int>(v));
		}
		};

		std::string StringTrim(std::string str) {
		str.erase(str.begin(), std::find_if_not(str.begin(), str.end(), IsSpace{}));
		str.erase(std::find_if_not(str.rbegin(), str.rend(), IsSpace{}).base(), str.end());
		return str;
		}
		} // namespace bluetooth::common

		namespace bluetooth::os {

		using common::BindOnce;
		using std::chrono::milliseconds;
		using std::chrono::seconds;

		static constexpr seconds kForever = seconds(1);
		static constexpr milliseconds kShortWait = milliseconds(10);

		class AlarmOnTimerFdTest : public ::testing::Test {
		protected:
		void SetUp() override {
		thread_ = new Thread("test_thread", Thread::Priority::NORMAL);
		handler_ = new Handler(thread_);
		alarm_ = std::make_shared<Alarm>(handler_);
		}

		void TearDown() override {
		alarm_.reset();
		handler_->Clear();
		delete handler_;
		delete thread_;
		}

		std::shared_ptr<Alarm> get_new_alarm() {
		return std::make_shared<Alarm>(handler_);
		}

		std::shared_ptr<Alarm> alarm_;

		private:
		Handler* handler_;
		Thread* thread_;
		};

		TEST_F(AlarmOnTimerFdTest, cancel_while_not_armed) {
		alarm_->Cancel();
		}

		TEST_F(AlarmOnTimerFdTest, schedule) {
		auto promise = std::make_unique<std::promise<void>>();
		auto future = promise->get_future();
		alarm_->Schedule(BindOnce(&std::promise<void>::set_value, std::move(promise)), kShortWait);
		ASSERT_EQ(std::future_status::ready, future.wait_for(kForever));
		}

		TEST_F(AlarmOnTimerFdTest, cancel_alarm) {
		auto promise = std::make_unique<std::promise<void>>();
		auto future = promise->get_future();
		alarm_->Schedule(BindOnce([]() { FAIL(); }), kForever);
		alarm_->Cancel();
		ASSERT_NE(std::future_status::ready, future.wait_for(kShortWait));
		}

		TEST_F(AlarmOnTimerFdTest, cancel_alarm_from_callback) {
		auto promise = std::make_unique<std::promise<void>>();
		auto future = promise->get_future();
		alarm_->Schedule(BindOnce(&Alarm::Cancel, alarm_), kShortWait);
		// Could wait for kForever, but no need. Just let others run twice for a short time.
		ASSERT_NE(std::future_status::ready, future.wait_for(kShortWait));
		ASSERT_NE(std::future_status::ready, future.wait_for(kShortWait));
		}

		TEST_F(AlarmOnTimerFdTest, schedule_while_alarm_armed) {
		auto promise = std::make_unique<std::promise<void>>();
		auto future = promise->get_future();
		alarm_->Schedule(BindOnce([]() { FAIL(); }), kForever);
		alarm_->Schedule(BindOnce(&std::promise<void>::set_value, std::move(promise)), kShortWait);
		ASSERT_EQ(std::future_status::ready, future.wait_for(kForever));
		}

		TEST_F(AlarmOnTimerFdTest, delete_while_alarm_armed) {
		auto promise = std::make_unique<std::promise<void>>();
		auto future = promise->get_future();
		alarm_->Schedule(BindOnce([]() { FAIL(); }), kForever);
		alarm_.reset();
		ASSERT_NE(std::future_status::ready, future.wait_for(kShortWait));
		}

		class TwoAlarmOnTimerFdTest : public AlarmOnTimerFdTest {
		protected:
		void SetUp() override {
		AlarmOnTimerFdTest::SetUp();
		alarm2 = get_new_alarm();
		}

		void TearDown() override {
		alarm2.reset();
		AlarmOnTimerFdTest::TearDown();
		}

		std::shared_ptr<Alarm> alarm2;
		};

		TEST_F(TwoAlarmOnTimerFdTest, schedule_from_alarm) {
		auto promise = std::make_unique<std::promise<void>>();
		auto future = promise->get_future();
		alarm_->Schedule(
		BindOnce(
		[](std::shared_ptr<Alarm> alarm2, std::unique_ptr<std::promise<void>> promise) {
		alarm2->Schedule(
		BindOnce(&std::promise<void>::set_value, std::move(promise)), kShortWait);
		},
		alarm2,
		std::move(promise)),
		kShortWait);
		EXPECT_EQ(std::future_status::ready, future.wait_for(kForever));
		}

		} // namespace bluetooth::os