// { dg-options "-std=gnu++2a" } // { dg-do run { target c++2a } } // Copyright (C) 2018-2019 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // basic_string begins_with #include #include void test01() { const char cstr_dir[] = "slugs/"; const std::string_view sv_dir("slugs/"); const char cstr_dir2[] = "worms/"; const std::string_view sv_dir2("worms/"); const std::string s_test("slugs/slimy.jpg"); const auto cstr_in_slugs = s_test.starts_with(cstr_dir); VERIFY( cstr_in_slugs ); const auto sv_in_slugs = s_test.starts_with(sv_dir); VERIFY( sv_in_slugs ); const auto char_s = s_test.starts_with('s'); VERIFY( char_s ); const auto cstr_in_worms = s_test.starts_with(cstr_dir2); VERIFY( !cstr_in_worms ); const auto sv_in_worms = s_test.starts_with(sv_dir2); VERIFY( !sv_in_worms ); const auto char_w = s_test.starts_with('w'); VERIFY( !char_w ); } int main() { test01(); return 0; }