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_iterator<BidirectionalIterator, charT, traits>
13
14// regex_iterator operator++(int);
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[] = "555-1234, 555-2345, 555-3456";
24        std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
25        std::cregex_iterator i2 = i;
26        assert(i != std::cregex_iterator());
27        assert(i2!= std::cregex_iterator());
28        assert((*i).size() == 1);
29        assert((*i).position() == 0);
30        assert((*i).str() == "555-1234");
31        assert((*i2).size() == 1);
32        assert((*i2).position() == 0);
33        assert((*i2).str() == "555-1234");
34        i++;
35        assert(i != std::cregex_iterator());
36        assert(i2!= std::cregex_iterator());
37        assert((*i).size() == 1);
38        assert((*i).position() == 10);
39        assert((*i).str() == "555-2345");
40        assert((*i2).size() == 1);
41        assert((*i2).position() == 0);
42        assert((*i2).str() == "555-1234");
43        i++;
44        assert(i != std::cregex_iterator());
45        assert(i2!= std::cregex_iterator());
46        assert((*i).size() == 1);
47        assert((*i).position() == 20);
48        assert((*i).str() == "555-3456");
49        assert((*i2).size() == 1);
50        assert((*i2).position() == 0);
51        assert((*i2).str() == "555-1234");
52        i++;
53        assert(i == std::cregex_iterator());
54        assert(i2!= std::cregex_iterator());
55        assert((*i2).size() == 1);
56        assert((*i2).position() == 0);
57        assert((*i2).str() == "555-1234");
58    }
59    {
60        std::regex phone_numbers("\\d{3}-\\d{4}");
61        const char phone_book[] = "555-1234, 555-2345, 555-3456";
62        std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
63        std::cregex_iterator i2 = i;
64        assert(i != std::cregex_iterator());
65        assert(i2!= std::cregex_iterator());
66        assert((*i).size() == 1);
67        assert((*i).position() == 0);
68        assert((*i).str() == "555-1234");
69        assert((*i2).size() == 1);
70        assert((*i2).position() == 0);
71        assert((*i2).str() == "555-1234");
72        ++i;
73        assert(i != std::cregex_iterator());
74        assert(i2!= std::cregex_iterator());
75        assert((*i).size() == 1);
76        assert((*i).position() == 10);
77        assert((*i).str() == "555-2345");
78        assert((*i2).size() == 1);
79        assert((*i2).position() == 0);
80        assert((*i2).str() == "555-1234");
81        ++i;
82        assert(i != std::cregex_iterator());
83        assert(i2!= std::cregex_iterator());
84        assert((*i).size() == 1);
85        assert((*i).position() == 20);
86        assert((*i).str() == "555-3456");
87        assert((*i2).size() == 1);
88        assert((*i2).position() == 0);
89        assert((*i2).str() == "555-1234");
90        ++i;
91        assert(i == std::cregex_iterator());
92        assert(i2!= std::cregex_iterator());
93        assert((*i2).size() == 1);
94        assert((*i2).position() == 0);
95        assert((*i2).str() == "555-1234");
96    }
97}
98