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-rw-r--r--testing/pseudo_retainable.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/testing/pseudo_retainable.h b/testing/pseudo_retainable.h
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+++ b/testing/pseudo_retainable.h
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+// Copyright 2018 PDFium Authors. All rights reserved.
+// 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() { ++retain_count_; }
+ void Release() {
+ 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:
+ bool alive_ = true;
+ int retain_count_ = 0;
+ int release_count_ = 0;
+};
+
+#endif // TESTING_PSEUDO_RETAINABLE_H_