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
10// <regex>
11
12// class regex_token_iterator<BidirectionalIterator, charT, traits>
13
14// bool operator==(const regex_token_iterator& right) const;
15// bool operator!=(const regex_token_iterator& right) const;
16
17#include <regex>
18#include <cassert>
19
20int main()
21{
22    {
23        std::regex phone_numbers("\\d{3}-\\d{4}");
24        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
25        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
26                                     phone_numbers, -1);
27        assert(i != std::cregex_token_iterator());
28        assert(!(i == std::cregex_token_iterator()));
29        std::cregex_token_iterator i2 = i;
30        assert(i2 == i);
31        assert(!(i2 != i));
32        ++i;
33        assert(!(i2 == i));
34        assert(i2 != i);
35    }
36}
37