1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
10 
11 // <string>
12 
13 //   bool ends_with(basic_string_view x) const noexcept;
14 
15 #include <string>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
20 int main()
21 {
22     {
23     typedef std::string S;
24     typedef std::string_view SV;
25     const char *s = "abcde";
26 
27     S   s0;
28     S   s1  { s + 4, 1 };
29     S   s2  { s + 3, 2 };
30 //  S   s3  { s + 2, 3 };
31 //  S   s4  { s + 1, 4 };
32 //  S   s5  { s,     5 };
33     S  sNot { "def", 3 };
34 
35     SV  sv0;
36     SV  sv1 { s + 4, 1 };
37     SV  sv2 { s + 3, 2 };
38     SV  sv3 { s + 2, 3 };
39     SV  sv4 { s + 1, 4 };
40     SV  sv5 { s    , 5 };
41     SV svNot {"def", 3 };
42 
43     ASSERT_NOEXCEPT(s0.ends_with(sv0));
44 
45     assert ( s0.ends_with(sv0));
46     assert (!s0.ends_with(sv1));
47 
48     assert ( s1.ends_with(sv0));
49     assert ( s1.ends_with(sv1));
50     assert (!s1.ends_with(sv2));
51     assert (!s1.ends_with(sv3));
52     assert (!s1.ends_with(sv4));
53     assert (!s1.ends_with(sv5));
54     assert (!s1.ends_with(svNot));
55 
56     assert ( s2.ends_with(sv0));
57     assert ( s2.ends_with(sv1));
58     assert ( s2.ends_with(sv2));
59     assert (!s2.ends_with(sv3));
60     assert (!s2.ends_with(sv4));
61     assert (!s2.ends_with(sv5));
62     assert (!s2.ends_with(svNot));
63 
64     assert ( sNot.ends_with(sv0));
65     assert (!sNot.ends_with(sv1));
66     assert (!sNot.ends_with(sv2));
67     assert (!sNot.ends_with(sv3));
68     assert (!sNot.ends_with(sv4));
69     assert (!sNot.ends_with(sv5));
70     assert ( sNot.ends_with(svNot));
71     }
72 }
73