1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 // UNSUPPORTED: c++03, c++11, c++14, c++17
9 
10 // <string>
11 
12 // constexpr bool ends_with(charT x) const noexcept;
13 
14 #include <string>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 
test()19 constexpr bool test() {
20   {
21     typedef std::string S;
22     S  s1 {};
23     S  s2 { "abcde", 5 };
24 
25     ASSERT_NOEXCEPT(s1.ends_with('e'));
26 
27     assert (!s1.ends_with('e'));
28     assert (!s1.ends_with('x'));
29     assert ( s2.ends_with('e'));
30     assert (!s2.ends_with('x'));
31   }
32 
33   return true;
34 }
35 
main(int,char **)36 int main(int, char**)
37 {
38   test();
39   static_assert(test());
40 
41   return 0;
42 }
43