unplugged-system/external/pdfium/testing/pseudo_retainable.h

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// Copyright 2018 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TESTING_PSEUDO_RETAINABLE_H_
#define TESTING_PSEUDO_RETAINABLE_H_
class PseudoRetainable {
public:
PseudoRetainable() = default;
void Retain() const { ++retain_count_; }
void Release() const {
if (++release_count_ == retain_count_)
alive_ = false;
}
bool alive() const { return alive_; }
int retain_count() const { return retain_count_; }
int release_count() const { return release_count_; }
private:
mutable bool alive_ = true;
mutable int retain_count_ = 0;
mutable int release_count_ = 0;
};
#endif // TESTING_PSEUDO_RETAINABLE_H_