1 // { dg-options "-std=gnu++2a" } 2 // { dg-do run { target c++2a } } 3 4 // Copyright (C) 2018-2021 Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // You should have received a copy of the GNU General Public License along 18 // with this library; see the file COPYING3. If not see 19 // <http://www.gnu.org/licenses/>. 20 21 // basic_string begins_with 22 23 #include <string> 24 #include <testsuite_hooks.h> 25 26 void test01()27test01() 28 { 29 const char cstr_dir[] = "slugs/"; 30 const std::string_view sv_dir("slugs/"); 31 const char cstr_dir2[] = "worms/"; 32 const std::string_view sv_dir2("worms/"); 33 34 const std::string s_test("slugs/slimy.jpg"); 35 36 const auto cstr_in_slugs = s_test.starts_with(cstr_dir); 37 VERIFY( cstr_in_slugs ); 38 const auto sv_in_slugs = s_test.starts_with(sv_dir); 39 VERIFY( sv_in_slugs ); 40 const auto char_s = s_test.starts_with('s'); 41 VERIFY( char_s ); 42 43 const auto cstr_in_worms = s_test.starts_with(cstr_dir2); 44 VERIFY( !cstr_in_worms ); 45 const auto sv_in_worms = s_test.starts_with(sv_dir2); 46 VERIFY( !sv_in_worms ); 47 const auto char_w = s_test.starts_with('w'); 48 VERIFY( !char_w ); 49 } 50 51 int main()52main() 53 { 54 test01(); 55 return 0; 56 } 57
