scoped_set_tz.h

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// Copyright 2021 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_SCOPED_SET_TZ_H_
#define TESTING_SCOPED_SET_TZ_H_
 
#include <optional>
#include <string>
 
#include "core/fxcrt/fx_memory.h"
 
class ScopedSetTZ {
 public:
  FX_STACK_ALLOCATED();
 
  explicit ScopedSetTZ(const std::string& tz);
  ScopedSetTZ(const ScopedSetTZ&) = delete;
  ScopedSetTZ& operator=(const ScopedSetTZ&) = delete;
  ~ScopedSetTZ();
 
 private:
  std::optional<std::string> old_tz_;
};
 
#endif  // TESTING_SCOPED_SET_TZ_H_