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 
main()20 int 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