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// const value_type& operator*() const;
15
16#include <regex>
17#include <cassert>
18
19int main()
20{
21    {
22        std::regex phone_numbers("\\d{3}-\\d{4}");
23        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
24        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
25                                     phone_numbers, -1);
26        assert(i != std::cregex_token_iterator());
27        assert((*i).str() == "start ");
28        ++i;
29        assert(i != std::cregex_token_iterator());
30        assert((*i).str() == ", ");
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() == " end");
37        ++i;
38        assert(i == std::cregex_token_iterator());
39    }
40    {
41        std::regex phone_numbers("\\d{3}-\\d{4}");
42        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
43        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
44                                     phone_numbers);
45        assert(i != std::cregex_token_iterator());
46        assert((*i).str() == "555-1234");
47        ++i;
48        assert(i != std::cregex_token_iterator());
49        assert((*i).str() == "555-2345");
50        ++i;
51        assert(i != std::cregex_token_iterator());
52        assert((*i).str() == "555-3456");
53        ++i;
54        assert(i == std::cregex_token_iterator());
55    }
56    {
57        std::regex phone_numbers("\\d{3}-(\\d{4})");
58        const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
59        std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
60                                     phone_numbers, 1);
61        assert(i != std::cregex_token_iterator());
62        assert((*i).str() == "1234");
63        ++i;
64        assert(i != std::cregex_token_iterator());
65        assert((*i).str() == "2345");
66        ++i;
67        assert(i != std::cregex_token_iterator());
68        assert((*i).str() == "3456");
69        ++i;
70        assert(i == std::cregex_token_iterator());
71    }
72}
73