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67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
// Copyright 2021 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/core/detail/string_view.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
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# if defined(__apple_build_version__)
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// Under macOS, it's possible for the header
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// <memory_resource> to be present, but for
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// libc++.dylib to not have support for it.
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// https://github.com/boostorg/core/issues/162
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# define BOOST_NO_CXX17_HDR_MEMORY_RESOURCE
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# endif
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#endif
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#include <string>
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#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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# include <string_view>
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#endif
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#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
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# include <memory_resource>
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#endif
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boost::core::string_view f( boost::core::string_view const& str )
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{
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return str;
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}
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int main()
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{
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{
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std::string s1( "123" );
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std::string s2 = f( s1 );
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BOOST_TEST_EQ( s1, s2 );
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}
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#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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{
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std::string_view s1( "123" );
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std::string_view s2 = f( s1 );
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BOOST_TEST_EQ( s1, s2 );
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}
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#endif
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#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
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{
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using pmr_string = std::basic_string<char, std::char_traits<char>, std::pmr::polymorphic_allocator<char>>;
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pmr_string s1( "123" );
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pmr_string s2 = f( s1 );
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BOOST_TEST_EQ( s1, s2 );
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}
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#endif
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return boost::report_errors();
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}
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