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/*
* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "net/dcsctp/timer/task_queue_timeout.h"
#include <memory>
#include "api/task_queue/task_queue_base.h"
#include "api/task_queue/test/mock_task_queue_base.h"
#include "rtc_base/gunit.h"
#include "test/gmock.h"
#include "test/time_controller/simulated_time_controller.h"
namespace dcsctp {
namespace {
using ::testing::_;
using ::testing::Field;
using ::testing::MockFunction;
using ::testing::NiceMock;
class TaskQueueTimeoutTest : public testing::Test {
protected:
TaskQueueTimeoutTest()
: time_controller_(webrtc::Timestamp::Millis(1234)),
task_queue_(time_controller_.GetMainThread()),
factory_(
*task_queue_,
[this]() {
return TimeMs(time_controller_.GetClock()->CurrentTime().ms());
},
on_expired_.AsStdFunction()) {}
void AdvanceTime(DurationMs duration) {
time_controller_.AdvanceTime(webrtc::TimeDelta::Millis(*duration));
}
MockFunction<void(TimeoutID)> on_expired_;
webrtc::GlobalSimulatedTimeController time_controller_;
rtc::Thread* task_queue_;
TaskQueueTimeoutFactory factory_;
};
TEST_F(TaskQueueTimeoutTest, StartPostsDelayedTask) {
std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
timeout->Start(DurationMs(1000), TimeoutID(1));
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(999));
EXPECT_CALL(on_expired_, Call(TimeoutID(1)));
AdvanceTime(DurationMs(1));
}
TEST_F(TaskQueueTimeoutTest, StopBeforeExpiringDoesntTrigger) {
std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
timeout->Start(DurationMs(1000), TimeoutID(1));
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(999));
timeout->Stop();
AdvanceTime(DurationMs(1));
AdvanceTime(DurationMs(1000));
}
TEST_F(TaskQueueTimeoutTest, RestartPrologingTimeoutDuration) {
std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
timeout->Start(DurationMs(1000), TimeoutID(1));
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(500));
timeout->Restart(DurationMs(1000), TimeoutID(2));
AdvanceTime(DurationMs(999));
EXPECT_CALL(on_expired_, Call(TimeoutID(2)));
AdvanceTime(DurationMs(1));
}
TEST_F(TaskQueueTimeoutTest, RestartWithShorterDurationExpiresWhenExpected) {
std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
timeout->Start(DurationMs(1000), TimeoutID(1));
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(500));
timeout->Restart(DurationMs(200), TimeoutID(2));
AdvanceTime(DurationMs(199));
EXPECT_CALL(on_expired_, Call(TimeoutID(2)));
AdvanceTime(DurationMs(1));
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(1000));
}
TEST_F(TaskQueueTimeoutTest, KilledBeforeExpired) {
std::unique_ptr<Timeout> timeout = factory_.CreateTimeout();
timeout->Start(DurationMs(1000), TimeoutID(1));
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(500));
timeout = nullptr;
EXPECT_CALL(on_expired_, Call).Times(0);
AdvanceTime(DurationMs(1000));
}
TEST(TaskQueueTimeoutWithMockTaskQueueTest, CanSetTimeoutPrecisionToLow) {
NiceMock<webrtc::MockTaskQueueBase> mock_task_queue;
EXPECT_CALL(
mock_task_queue,
PostDelayedTaskImpl(
_, _,
Field(
&webrtc::MockTaskQueueBase::PostDelayedTaskTraits::high_precision,
false),
_));
TaskQueueTimeoutFactory factory(
mock_task_queue, []() { return TimeMs(1337); },
[](TimeoutID timeout_id) {});
std::unique_ptr<Timeout> timeout =
factory.CreateTimeout(webrtc::TaskQueueBase::DelayPrecision::kLow);
timeout->Start(DurationMs(1), TimeoutID(1));
}
TEST(TaskQueueTimeoutWithMockTaskQueueTest, CanSetTimeoutPrecisionToHigh) {
NiceMock<webrtc::MockTaskQueueBase> mock_task_queue;
EXPECT_CALL(
mock_task_queue,
PostDelayedTaskImpl(
_, _,
Field(
&webrtc::MockTaskQueueBase::PostDelayedTaskTraits::high_precision,
true),
_));
TaskQueueTimeoutFactory factory(
mock_task_queue, []() { return TimeMs(1337); },
[](TimeoutID timeout_id) {});
std::unique_ptr<Timeout> timeout =
factory.CreateTimeout(webrtc::TaskQueueBase::DelayPrecision::kHigh);
timeout->Start(DurationMs(1), TimeoutID(1));
}
TEST(TaskQueueTimeoutWithMockTaskQueueTest, TimeoutPrecisionIsLowByDefault) {
NiceMock<webrtc::MockTaskQueueBase> mock_task_queue;
EXPECT_CALL(
mock_task_queue,
PostDelayedTaskImpl(
_, _,
Field(
&webrtc::MockTaskQueueBase::PostDelayedTaskTraits::high_precision,
false),
_));
TaskQueueTimeoutFactory factory(
mock_task_queue, []() { return TimeMs(1337); },
[](TimeoutID timeout_id) {});
std::unique_ptr<Timeout> timeout = factory.CreateTimeout();
timeout->Start(DurationMs(1), TimeoutID(1));
}
} // namespace
} // namespace dcsctp