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76d7f2c2 | 1 | // { dg-options "-std=gnu++17" } |
2 | ||
fbd26352 | 3 | // Copyright (C) 2016-2019 Free Software Foundation, Inc. |
76d7f2c2 | 4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | // [string::compare] | |
21 | ||
22 | #include <string> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | void | |
26 | test03() | |
27 | { | |
76d7f2c2 | 28 | std::string_view str1("foobar"); |
29 | std::string str2("foobar"); | |
30 | ||
31 | auto x = str2.compare(str1); | |
32 | VERIFY (x == 0); | |
33 | ||
34 | str1 = "bar"; | |
35 | x = str2.compare(str1); | |
36 | VERIFY (x > 0); | |
37 | ||
38 | str1 = "foobar"; | |
39 | str2 = "bar"; | |
40 | x = str2.compare(str1); | |
41 | VERIFY (x < 0); | |
42 | x = str2.compare(0, 3, str1, 3, 3); | |
43 | VERIFY (x == 0); | |
44 | ||
45 | str1 = "bar"; | |
46 | str2 = "foobar"; | |
47 | x = str2.compare(3, 3, str1); | |
48 | VERIFY (x == 0); | |
49 | } | |
50 | ||
7d475d13 | 51 | // PR libstdc++/77264 |
52 | void | |
53 | test04() | |
54 | { | |
7d475d13 | 55 | const std::string str("a"); |
56 | char c = 'a'; | |
57 | int res = str.compare(0, 1, &c, 1); | |
58 | VERIFY ( !res ); | |
59 | ||
60 | char arr[] = "a"; | |
61 | res = str.compare(0, 1, arr, 1); | |
62 | VERIFY ( !res ); | |
63 | ||
64 | const char carr[] = "a"; | |
65 | res = str.compare(0, 1, carr, 1); | |
66 | VERIFY ( !res ); | |
67 | ||
68 | struct S { | |
69 | operator char*() { return &c; } | |
70 | operator std::string_view() { return "!"; } | |
71 | char c = 'a'; | |
72 | }; | |
73 | ||
74 | res = str.compare(0, 1, S{}, 1); | |
75 | VERIFY ( !res ); | |
76 | } | |
77 | ||
76d7f2c2 | 78 | int main() |
79 | { | |
80 | test03(); | |
7d475d13 | 81 | test04(); |
76d7f2c2 | 82 | return 0; |
83 | } |