1  
 2  //              Copyright Catch2 Authors
 3  // Distributed under the Boost Software License, Version 1.0.
 4  //   (See accompanying file LICENSE.txt or copy at
 5  //        https://www.boost.org/LICENSE_1_0.txt)
 6  
 7  // SPDX-License-Identifier: BSL-1.0
 8  #ifndef CATCH_TIMER_HPP_INCLUDED
 9  #define CATCH_TIMER_HPP_INCLUDED
10  
11  #include <cstdint>
12  
13  namespace Catch {
14  
15      class Timer {
16          uint64_t m_nanoseconds = 0;
17      public:
18          void start();
19          auto getElapsedNanoseconds() const -> uint64_t;
20          auto getElapsedMicroseconds() const -> uint64_t;
21          auto getElapsedMilliseconds() const -> unsigned int;
22          auto getElapsedSeconds() const -> double;
23      };
24  
25  } // namespace Catch
26  
27  #endif // CATCH_TIMER_HPP_INCLUDED