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45 lines
942 B
C++
45 lines
942 B
C++
// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include <cstddef>
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#include <ostream>
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#include <string>
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namespace beast::unit_test {
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/** Utility for producing nicely composed output of amounts with units. */
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class Amount
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{
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private:
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std::size_t n_;
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std::string const& what_;
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public:
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Amount(Amount const&) = default;
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Amount&
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operator=(Amount const&) = delete;
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template <class = void>
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Amount(std::size_t n, std::string const& what);
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friend std::ostream&
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operator<<(std::ostream& s, Amount const& t);
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};
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template <class>
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Amount::Amount(std::size_t n, std::string const& what) : n_(n), what_(what)
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{
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}
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inline std::ostream&
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operator<<(std::ostream& s, Amount const& t)
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{
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s << t.n_ << " " << t.what_ << ((t.n_ != 1) ? "s" : "");
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return s;
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}
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} // namespace beast::unit_test
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