services/surfaceflinger/tests/unittests/fake/FakeClock.h

/*
 * Copyright 2021 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.
 */

#pragma once

#include "../../Clock.h"

namespace android::fake {

class FakeClock : public Clock {
public:
    virtual ~FakeClock() = default;
    std::chrono::steady_clock::time_point now() const override { return mNow; }

    void advanceTime(std::chrono::nanoseconds delta) { mNow += delta; }

private:
    std::chrono::steady_clock::time_point mNow;
};

} // namespace android::fake