| 1 | // |
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | // |
| 7 | // Official repository: https://github.com/boostorg/beast |
| 8 | // |
| 9 | |
| 10 | #ifndef BOOST_BEAST_UNIT_TEST_AMOUNT_HPP |
| 11 | #define BOOST_BEAST_UNIT_TEST_AMOUNT_HPP |
| 12 | |
| 13 | #include <cstddef> |
| 14 | #include <ostream> |
| 15 | #include <string> |
| 16 | |
| 17 | namespace boost { |
| 18 | namespace beast { |
| 19 | namespace unit_test { |
| 20 | |
| 21 | /** Utility for producing nicely composed output of amounts with units. */ |
| 22 | class amount |
| 23 | { |
| 24 | private: |
| 25 | std::size_t n_; |
| 26 | std::string const& what_; |
| 27 | |
| 28 | public: |
| 29 | amount(amount const&) = default; |
| 30 | amount& operator=(amount const&) = delete; |
| 31 | |
| 32 | template<class = void> |
| 33 | amount(std::size_t n, std::string const& what); |
| 34 | |
| 35 | friend |
| 36 | std::ostream& |
| 37 | operator<<(std::ostream& s, amount const& t); |
| 38 | }; |
| 39 | |
| 40 | template<class> |
| 41 | amount::amount(std::size_t n, std::string const& what) |
| 42 | : n_(n) |
| 43 | , what_(what) |
| 44 | { |
| 45 | } |
| 46 | |
| 47 | inline |
| 48 | std::ostream& |
| 49 | operator<<(std::ostream& s, amount const& t) |
| 50 | { |
| 51 | s << t.n_ << " " << t.what_ <<((t.n_ != 1) ? "s" : "" ); |
| 52 | return s; |
| 53 | } |
| 54 | |
| 55 | } // unit_test |
| 56 | } // beast |
| 57 | } // boost |
| 58 | |
| 59 | #endif |
| 60 | |