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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/21_strings/basic_string_view/operations/starts_with/char/1.cc
1 // { dg-options "-std=gnu++2a" }
2 // { dg-do compile { target c++2a } }
4 // Copyright (C) 2018-2021 Free Software Foundation, Inc.
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)
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.
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/>.
21 // basic_string_view begins_with
23 #include <string_view>
28 constexpr char cstr_dir
[] = "slugs/";
29 constexpr std::string_view
sv_dir("slugs/");
30 constexpr char cstr_dir2
[] = "worms/";
31 constexpr std::string_view
sv_dir2("worms/");
33 constexpr std::string_view
sv_test("slugs/slimy.jpg");
35 constexpr auto cstr_in_slugs
= sv_test
.starts_with(cstr_dir
);
36 static_assert(cstr_in_slugs
);
37 constexpr auto sv_in_slugs
= sv_test
.starts_with(sv_dir
);
38 static_assert(sv_in_slugs
);
39 constexpr auto char_s
= sv_test
.starts_with('s');
40 static_assert(char_s
);
42 constexpr auto cstr_in_worms
= sv_test
.starts_with(cstr_dir2
);
43 static_assert(!cstr_in_worms
);
44 constexpr auto sv_in_worms
= sv_test
.starts_with(sv_dir2
);
45 static_assert(!sv_in_worms
);
46 constexpr auto char_w
= sv_test
.starts_with('w');
47 static_assert(!char_w
);