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Add sv_conversion_test

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This commit is contained in:
Peter Dimov
2021-10-09 18:36:05 +03:00
parent d17313d407
commit ddf9b5087b
3 changed files with 260 additions and 0 deletions
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221
include/boost/core/string_view.hpp
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@@ -381,6 +381,35 @@ public:
// BOOST_CONSTEXPR basic_string_view& operator=( basic_string_view const& ) BOOST_NOEXCEPT & = default;
// conversions
#if !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
template<class Ch2, class En = typename boost::enable_if<is_same<Ch2, Ch> >::type>
operator std::basic_string<Ch2>() const
{
return std::basic_string<Ch>( data(), size() );
}
#else
operator std::basic_string<Ch>() const
{
return std::basic_string<Ch>( data(), size() );
}
#endif
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
template<class Ch2, class En = typename boost::enable_if<is_same<Ch2, Ch> >::type>
operator std::basic_string_view<Ch2>() const BOOST_NOEXCEPT
{
return std::basic_string_view<Ch>( data(), size() );
}
#endif
// iterator support
BOOST_CONSTEXPR const_iterator begin() const BOOST_NOEXCEPT
@@ -925,6 +954,198 @@ public:
{
return sv1.compare( sv2 ) >= 0;
}
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
// "sufficient number of additional overloads"
// against std::string_view
BOOST_CXX14_CONSTEXPR friend bool operator==( basic_string_view sv1, std::basic_string_view<Ch> sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) == 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator==( std::basic_string_view<Ch> sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) == 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator!=( basic_string_view sv1, std::basic_string_view<Ch> sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) != 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator!=( std::basic_string_view<Ch> sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) != 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<( basic_string_view sv1, std::basic_string_view<Ch> sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) < 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<( std::basic_string_view<Ch> sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) < 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<=( basic_string_view sv1, std::basic_string_view<Ch> sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) <= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<=( std::basic_string_view<Ch> sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) <= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>( basic_string_view sv1, std::basic_string_view<Ch> sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) > 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>( std::basic_string_view<Ch> sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) > 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>=( basic_string_view sv1, std::basic_string_view<Ch> sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) >= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>=( std::basic_string_view<Ch> sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) >= 0;
}
// against Ch const*
BOOST_CXX14_CONSTEXPR friend bool operator==( basic_string_view sv1, Ch const* sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) == 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator==( Ch const* sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) == 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator!=( basic_string_view sv1, Ch const* sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) != 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator!=( Ch const* sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) != 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<( basic_string_view sv1, Ch const* sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) < 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<( Ch const* sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) > 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<=( basic_string_view sv1, Ch const* sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) <= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<=( Ch const* sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) >= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>( basic_string_view sv1, Ch const* sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) > 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>( Ch const* sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) < 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>=( basic_string_view sv1, Ch const* sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) >= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>=( Ch const* sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) <= 0;
}
// against std::string
BOOST_CXX14_CONSTEXPR friend bool operator==( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) == 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator==( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) == 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator!=( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) != 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator!=( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) != 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) < 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) > 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<=( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) <= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator<=( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) >= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) > 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) < 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>=( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
{
return sv1.compare( sv2 ) >= 0;
}
BOOST_CXX14_CONSTEXPR friend bool operator>=( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
{
return sv2.compare( sv1 ) <= 0;
}
#endif
};
template<class Ch> std::basic_ostream<Ch>& operator<<( std::basic_ostream<Ch>& os, basic_string_view<Ch> str )