1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 11 // <string_view> 12 13 // constexpr const _CharT* data() const noexcept; 14 15 #include <experimental/string_view> 16 #include <cassert> 17 18 template <typename CharT> 19 void test ( const CharT *s, size_t len ) { 20 std::experimental::basic_string_view<CharT> sv ( s, len ); 21 assert ( sv.length() == len ); 22 assert ( sv.data() == s ); 23 } 24 25 int main () { 26 test ( "ABCDE", 5 ); 27 test ( "a", 1 ); 28 29 test ( L"ABCDE", 5 ); 30 test ( L"a", 1 ); 31 32 #if __cplusplus >= 201103L 33 test ( u"ABCDE", 5 ); 34 test ( u"a", 1 ); 35 36 test ( U"ABCDE", 5 ); 37 test ( U"a", 1 ); 38 #endif 39 40 #if _LIBCPP_STD_VER > 11 41 { 42 constexpr const char *s = "ABC"; 43 constexpr std::experimental::basic_string_view<char> sv( s, 2 ); 44 static_assert( sv.length() == 2, "" ); 45 static_assert( sv.data() == s, "" ); 46 } 47 #endif 48 } 49
