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 //   bool ends_with(const CharT *x) const;
13 
14 #include <string>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 
19 int main(int, char**)
20 {
21     {
22     typedef std::string S;
23     const char *s = "abcde";
24 
25     S   s0;
26     S   s1  { s + 4, 1 };
27     S   s2  { s + 3, 2 };
28 //  S   s3  { s + 2, 3 };
29 //  S   s4  { s + 1, 4 };
30 //  S   s5  { s,     5 };
31     S  sNot { "def", 3 };
32 
33     LIBCPP_ASSERT_NOEXCEPT(s0.ends_with(""));
34 
35     assert ( s0.ends_with(""));
36     assert (!s0.ends_with("e"));
37 
38     assert ( s1.ends_with(""));
39     assert ( s1.ends_with("e"));
40     assert (!s1.ends_with("de"));
41     assert (!s1.ends_with("cde"));
42     assert (!s1.ends_with("bcde"));
43     assert (!s1.ends_with("abcde"));
44     assert (!s1.ends_with("def"));
45 
46     assert ( s2.ends_with(""));
47     assert ( s2.ends_with("e"));
48     assert ( s2.ends_with("de"));
49     assert (!s2.ends_with("cde"));
50     assert (!s2.ends_with("bcde"));
51     assert (!s2.ends_with("abcde"));
52     assert (!s2.ends_with("def"));
53 
54     assert ( sNot.ends_with(""));
55     assert (!sNot.ends_with("e"));
56     assert (!sNot.ends_with("de"));
57     assert (!sNot.ends_with("cde"));
58     assert (!sNot.ends_with("bcde"));
59     assert (!sNot.ends_with("abcde"));
60     assert ( sNot.ends_with("def"));
61     }
62 
63   return 0;
64 }
65