1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// <string>
// constexpr bool contains(const CharT *x) const;
#include <string>
#include <cassert>
#include "test_macros.h"
void test()
{
using S = std::string;
const char* s = "abcde";
S s0;
S s1 {s + 4, 1};
S s3 {s + 2, 3};
S sNot {"xyz", 3};
assert(s0.contains(""));
assert(!s0.contains("e"));
assert( s1.contains(""));
assert(!s1.contains("d"));
assert( s1.contains("e"));
assert(!s1.contains("de"));
assert(!s1.contains("cd"));
assert(!s1.contains("cde"));
assert(!s1.contains("bcde"));
assert(!s1.contains("abcde"));
assert(!s1.contains("xyz"));
assert( s3.contains(""));
assert( s3.contains("d"));
assert( s3.contains("e"));
assert( s3.contains("de"));
assert( s3.contains("cd"));
assert(!s3.contains("ce"));
assert( s3.contains("cde"));
assert(!s3.contains("edc"));
assert(!s3.contains("bcde"));
assert(!s3.contains("abcde"));
assert(!s3.contains("xyz"));
assert( sNot.contains(""));
assert(!sNot.contains("d"));
assert(!sNot.contains("e"));
assert(!sNot.contains("de"));
assert(!sNot.contains("cd"));
assert(!sNot.contains("cde"));
assert(!sNot.contains("bcde"));
assert(!sNot.contains("abcde"));
assert( sNot.contains("xyz"));
assert(!sNot.contains("zyx"));
}
int main(int, char**)
{
test();
return 0;
}
|
