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// regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
15//                      const regex_type& re, int submatch = 0,
16//                      regex_constants::match_flag_type m =
17//                                              regex_constants::match_default);
18
19#include <regex>
20#include <cassert>
21
22int main()
23{
24    {
25        std::regex phone_numbers("\\d{3}-\\d{4}");
26        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
27        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
28                                     phone_numbers, -1);
29        assert(i != std::cregex_token_iterator());
30        assert(i->str() == "start ");
31        ++i;
32        assert(i != std::cregex_token_iterator());
33        assert(i->str() == ", ");
34        ++i;
35        assert(i != std::cregex_token_iterator());
36        assert(i->str() == ", ");
37        ++i;
38        assert(i != std::cregex_token_iterator());
39        assert(i->str() == " end");
40        ++i;
41        assert(i == std::cregex_token_iterator());
42    }
43    {
44        std::regex phone_numbers("\\d{3}-\\d{4}");
45        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
46        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
47                                     phone_numbers);
48        assert(i != std::cregex_token_iterator());
49        assert(i->str() == "555-1234");
50        ++i;
51        assert(i != std::cregex_token_iterator());
52        assert(i->str() == "555-2345");
53        ++i;
54        assert(i != std::cregex_token_iterator());
55        assert(i->str() == "555-3456");
56        ++i;
57        assert(i == std::cregex_token_iterator());
58    }
59    {
60        std::regex phone_numbers("\\d{3}-(\\d{4})");
61        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
62        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
63                                     phone_numbers, 1);
64        assert(i != std::cregex_token_iterator());
65        assert(i->str() == "1234");
66        ++i;
67        assert(i != std::cregex_token_iterator());
68        assert(i->str() == "2345");
69        ++i;
70        assert(i != std::cregex_token_iterator());
71        assert(i->str() == "3456");
72        ++i;
73        assert(i == std::cregex_token_iterator());
74    }
75}
76