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41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
//
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// Copyright (c) 2019-2025 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
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//
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// 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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#ifndef BOOST_MYSQL_TEST_UNIT_INCLUDE_TEST_UNIT_FAIL_COUNT_HPP
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#define BOOST_MYSQL_TEST_UNIT_INCLUDE_TEST_UNIT_FAIL_COUNT_HPP
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#include <boost/mysql/error_code.hpp>
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namespace boost {
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namespace mysql {
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namespace test {
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// Inspired by Beast's fail count
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class fail_count
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{
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std::size_t fail_after_;
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std::size_t num_calls_{0};
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error_code err_;
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public:
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static constexpr std::size_t never_fail = std::size_t(-1);
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explicit fail_count(
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std::size_t fail_after = never_fail,
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error_code err = make_error_code(std::errc::io_error)
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) noexcept
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: fail_after_(fail_after), err_(err)
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{
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}
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error_code maybe_fail() noexcept { return num_calls_++ >= fail_after_ ? err_ : error_code(); }
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};
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} // namespace test
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} // namespace mysql
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} // namespace boost
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#endif
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