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/*
* Copyright 2019 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 "api/test/create_time_controller.h"
#include "api/test/time_controller.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "test/gmock.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
class FakeAlarm : public ControlledAlarmClock {
public:
explicit FakeAlarm(Timestamp start_time);
Clock* GetClock() override;
bool ScheduleAlarmAt(Timestamp deadline) override;
void SetCallback(std::function<void()> callback) override;
void Sleep(TimeDelta duration) override;
private:
SimulatedClock clock_;
Timestamp deadline_;
std::function<void()> callback_;
};
FakeAlarm::FakeAlarm(Timestamp start_time)
: clock_(start_time),
deadline_(Timestamp::PlusInfinity()),
callback_([] {}) {}
Clock* FakeAlarm::GetClock() {
return &clock_;
}
bool FakeAlarm::ScheduleAlarmAt(Timestamp deadline) {
if (deadline < deadline_) {
deadline_ = deadline;
return true;
}
return false;
}
void FakeAlarm::SetCallback(std::function<void()> callback) {
callback_ = callback;
}
void FakeAlarm::Sleep(TimeDelta duration) {
Timestamp end_time = clock_.CurrentTime() + duration;
while (deadline_ <= end_time) {
clock_.AdvanceTime(deadline_ - clock_.CurrentTime());
deadline_ = Timestamp::PlusInfinity();
callback_();
}
clock_.AdvanceTime(end_time - clock_.CurrentTime());
}
TEST(CreateTimeControllerTest, CreatesNonNullController) {
FakeAlarm alarm(Timestamp::Millis(100));
EXPECT_NE(CreateTimeController(&alarm), nullptr);
}
} // namespace
} // namespace webrtc
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