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Add boost/core/string_view.hpp

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Peter Dimov
2021-10-04 16:49:46 +03:00
parent 5e382efa84
commit 95924b1329
4 changed files with 799 additions and 0 deletions
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test/Jamfile.v2
+2
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@@ -247,5 +247,7 @@ run bit_endian_test.cpp ;
run type_name_test.cpp ;
run sv_types_test.cpp ;
use-project /boost/core/swap : ./swap ;
build-project ./swap ;
test/sv_types_test.cpp
+49
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@@ -0,0 +1,49 @@
// Copyright 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/core/string_view.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <boost/core/is_same.hpp>
#include <iterator>
struct Ch
{
};
int main()
{
using boost::core::is_same;
typedef boost::core::basic_string_view<Ch> ch_string_view;
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::traits_type, std::char_traits<Ch> >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::value_type, Ch >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::pointer, Ch* >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::const_pointer, Ch const* >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::reference, Ch& >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::const_reference, Ch const& >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::iterator, ch_string_view::const_iterator >));
BOOST_TEST_TRAIT_TRUE((is_same< std::iterator_traits<ch_string_view::iterator>::iterator_category, std::random_access_iterator_tag >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::reverse_iterator, ch_string_view::const_reverse_iterator >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::reverse_iterator, std::reverse_iterator<ch_string_view::iterator> >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::size_type, std::size_t >));
BOOST_TEST_TRAIT_TRUE((is_same< ch_string_view::difference_type, std::ptrdiff_t >));
BOOST_TEST_EQ(ch_string_view::npos, static_cast<std::size_t>(-1));
BOOST_TEST_TRAIT_TRUE((is_same< boost::core::string_view, boost::core::basic_string_view<char> >));
BOOST_TEST_TRAIT_TRUE((is_same< boost::core::wstring_view, boost::core::basic_string_view<wchar_t> >));
#if !defined(BOOST_NO_CXX11_CHAR16_T)
BOOST_TEST_TRAIT_TRUE((is_same< boost::core::u16string_view, boost::core::basic_string_view<char16_t> >));
#endif
#if !defined(BOOST_NO_CXX11_CHAR32_T)
BOOST_TEST_TRAIT_TRUE((is_same< boost::core::u32string_view, boost::core::basic_string_view<char32_t> >));
#endif
#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L
BOOST_TEST_TRAIT_TRUE((is_same< boost::core::u8string_view, boost::core::basic_string_view<char8_t> >));
#endif
return boost::report_errors();
}