//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <string_view> // template<class Allocator> // basic_string_view(const basic_string<_CharT, _Traits, Allocator>& _str) noexcept #include <experimental/string_view> #include <string> #include <cassert> struct dummy_char_traits : public std::char_traits<char> {}; template<typename CharT, typename Traits> void test ( const std::basic_string<CharT, Traits> &str ) { std::experimental::basic_string_view<CharT, Traits> sv1 ( str ); assert ( sv1.size() == str.size()); assert ( sv1.data() == str.data()); } int main () { test ( std::string("QBCDE") ); test ( std::string("") ); test ( std::string() ); test ( std::wstring(L"QBCDE") ); test ( std::wstring(L"") ); test ( std::wstring() ); #if __cplusplus >= 201103L test ( std::u16string{u"QBCDE"} ); test ( std::u16string{u""} ); test ( std::u16string{} ); test ( std::u32string{U"QBCDE"} ); test ( std::u32string{U""} ); test ( std::u32string{} ); #endif test ( std::basic_string<char, dummy_char_traits>("QBCDE") ); test ( std::basic_string<char, dummy_char_traits>("") ); test ( std::basic_string<char, dummy_char_traits>() ); }