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
9// <regex>
10
11// class match_results<BidirectionalIterator, Allocator>
12
13// template <class BidirectionalIterator, class Allocator>
14// bool
15// operator==(const match_results<BidirectionalIterator, Allocator>& m1,
16// const match_results<BidirectionalIterator, Allocator>& m2);
17
18// template <class BidirectionalIterator, class Allocator> // generated by the compiler in C++20
19// bool
20// operator!=(const match_results<BidirectionalIterator, Allocator>& m1,
21// const match_results<BidirectionalIterator, Allocator>& m2);
22
23#include <regex>
24#include <cassert>
25#include "test_macros.h"
26
27void
28test()
29{
30 std::match_results<const char*> m1;
31 const char s[] = "abcdefghijk";
32 assert(std::regex_search(s, m1, std::regex("cd((e)fg)hi")));
33 std::match_results<const char*> m2;
34
35 assert(m1 == m1);
36 assert(m1 != m2);
37
38 m2 = m1;
39
40 assert(m1 == m2);
41}
42
43int main(int, char**)
44{
45 test();
46
47 return 0;
48}
49

source code of libcxx/test/std/re/re.results/re.results.nonmember/equal.pass.cpp