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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_THROTTLE_TEST_OBSERVER_H_
#define CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_THROTTLE_TEST_OBSERVER_H_
namespace ash {
class ThrottleObserver;
}
namespace arc::unittest {
// Utility to monitor the behavior of a ThrottleObserver object.
// Usage: bind this object's Monitor() method to the callback of an observer
// when you do StartObserving on the object under test, then watch
// the internal counters change.
class ThrottleTestObserver {
public:
ThrottleTestObserver() = default;
~ThrottleTestObserver() = default;
// Total number of invocations of the Monitor() method.
int count() const { return count_; }
// Number of invocations of the Monitor() method while |target| is
// in active state.
int active_count() const { return active_count_; }
// Number of invocations of the Monitor() method while |target| is
// in enforced state.
int enforced_count() const { return enforced_count_; }
// Bumps internal counters depending on the state of |target|.
void Monitor(const ash::ThrottleObserver* target);
private:
int count_ = 0;
int active_count_ = 0;
int enforced_count_ = 0;
};
} // namespace arc::unittest
#endif // CHROME_BROWSER_ASH_ARC_IDLE_MANAGER_ARC_THROTTLE_TEST_OBSERVER_H_
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