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(const CharT *x) const;
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     const char *s = "abcde";
25 
26     S   s0;
27     S   s1  { s + 4, 1 };
28     S   s2  { s + 3, 2 };
29 //  S   s3  { s + 2, 3 };
30 //  S   s4  { s + 1, 4 };
31 //  S   s5  { s,     5 };
32     S  sNot { "def", 3 };
33 
34     LIBCPP_ASSERT_NOEXCEPT(s0.ends_with(""));
35 
36     assert ( s0.ends_with(""));
37     assert (!s0.ends_with("e"));
38 
39     assert ( s1.ends_with(""));
40     assert ( s1.ends_with("e"));
41     assert (!s1.ends_with("de"));
42     assert (!s1.ends_with("cde"));
43     assert (!s1.ends_with("bcde"));
44     assert (!s1.ends_with("abcde"));
45     assert (!s1.ends_with("def"));
46 
47     assert ( s2.ends_with(""));
48     assert ( s2.ends_with("e"));
49     assert ( s2.ends_with("de"));
50     assert (!s2.ends_with("cde"));
51     assert (!s2.ends_with("bcde"));
52     assert (!s2.ends_with("abcde"));
53     assert (!s2.ends_with("def"));
54 
55     assert ( sNot.ends_with(""));
56     assert (!sNot.ends_with("e"));
57     assert (!sNot.ends_with("de"));
58     assert (!sNot.ends_with("cde"));
59     assert (!sNot.ends_with("bcde"));
60     assert (!sNot.ends_with("abcde"));
61     assert ( sNot.ends_with("def"));
62     }
63 }
64