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75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
// Copyright (c) 2016-2018 Martin Moene
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//
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// https://github.com/martinmoene/expected-lite
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#pragma once
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#ifndef TEST_EXPECTED_LITE_H_INCLUDED
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#define TEST_EXPECTED_LITE_H_INCLUDED
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// Limit C++ Core Guidelines checking to expected-lite:
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#include "nonstd/expected.hpp"
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#if nsel_COMPILER_MSVC_VER >= 1910
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# include <CppCoreCheck/Warnings.h>
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# pragma warning(disable: ALL_CPPCORECHECK_WARNINGS)
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#endif
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#include <iosfwd>
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namespace lest {
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template< typename T, typename E >
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std::ostream & operator<<( std::ostream & os, nonstd::expected<T,E> const & );
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template< typename E >
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std::ostream & operator<<( std::ostream & os, nonstd::expected<void,E> const & );
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} // namespace lest
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// Compiler warning suppression for usage of lest:
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#ifdef __clang__
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# pragma clang diagnostic ignored "-Wstring-conversion"
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# pragma clang diagnostic ignored "-Wunused-parameter"
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# pragma clang diagnostic ignored "-Wunused-template"
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# pragma clang diagnostic ignored "-Wunused-function"
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# pragma clang diagnostic ignored "-Wunused-member-function"
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#elif defined __GNUC__
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# pragma GCC diagnostic ignored "-Wunused-parameter"
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# pragma GCC diagnostic ignored "-Wunused-function"
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#endif
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#include "lest.hpp"
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#define CASE( name ) lest_CASE( specification(), name )
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extern lest::tests & specification();
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namespace lest {
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// use oparator<< instead of to_string() overload;
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// see http://stackoverflow.com/a/10651752/437272
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template< typename T, typename E >
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inline std::ostream & operator<<( std::ostream & os, nonstd::expected<T,E> const & v )
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{
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using lest::to_string;
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return os << "[expected:" << (v ? to_string(*v) : "[empty]") << "]";
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}
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template< typename E >
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inline std::ostream & operator<<( std::ostream & os, nonstd::expected<void,E> const & v )
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{
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using lest::to_string;
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return os << "[expected<void>:" << (v ? "[non-empty]" : "[empty]") << "]";
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}
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} // namespace lest
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#endif // TEST_EXPECTED_LITE_H_INCLUDED
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// end of file
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