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// Copyright 2018 The gVisor Authors.
//
// 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.
#ifndef GVISOR_TEST_UTIL_CLEANUP_H_
#define GVISOR_TEST_UTIL_CLEANUP_H_
#include <functional>
#include <utility>
namespace gvisor {
namespace testing {
class Cleanup {
public:
Cleanup() : released_(true) {}
explicit Cleanup(std::function<void()>&& callback) : cb_(callback) {}
Cleanup(Cleanup&& other) {
released_ = other.released_;
cb_ = other.Release();
}
Cleanup& operator=(Cleanup&& other) {
released_ = other.released_;
cb_ = other.Release();
return *this;
}
~Cleanup() {
if (!released_) {
cb_();
}
}
std::function<void()>&& Release() {
released_ = true;
return std::move(cb_);
}
private:
Cleanup(Cleanup const& other) = delete;
bool released_ = false;
std::function<void(void)> cb_;
};
} // namespace testing
} // namespace gvisor
#endif // GVISOR_TEST_UTIL_CLEANUP_H_
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