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& operator++(int);
15 
16 #include <regex>
17 #include <cassert>
18 #include "test_macros.h"
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         std::cregex_token_iterator i2 = i;
28         std::cregex_token_iterator i3;
29         assert(i  != std::cregex_token_iterator());
30         assert(i2 != std::cregex_token_iterator());
31         assert(i->str() == "start ");
32         assert(i2->str() == "start ");
33         i3 = i++;
34         assert(i  != std::cregex_token_iterator());
35         assert(i2 != std::cregex_token_iterator());
36         assert(i3 != std::cregex_token_iterator());
37         assert(i->str() == ", ");
38         assert(i2->str() == "start ");
39         assert(i3->str() == "start ");
40         i3 = i++;
41         assert(i  != std::cregex_token_iterator());
42         assert(i2 != std::cregex_token_iterator());
43         assert(i3 != std::cregex_token_iterator());
44         assert(i->str() == ", ");
45         assert(i2->str() == "start ");
46         assert(i3->str() == ", ");
47         i3 = i++;
48         assert(i  != std::cregex_token_iterator());
49         assert(i2 != std::cregex_token_iterator());
50         assert(i3 != std::cregex_token_iterator());
51         assert(i->str() == " end");
52         assert(i2->str() == "start ");
53         assert(i3->str() == ", ");
54         i3 = i++;
55         assert(i  == std::cregex_token_iterator());
56         assert(i2 != std::cregex_token_iterator());
57         assert(i3 != std::cregex_token_iterator());
58         assert(i2->str() == "start ");
59         assert(i3->str() == " end");
60     }
61     {
62         std::regex phone_numbers("\\d{3}-\\d{4}");
63         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
64         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
65                                      phone_numbers, -1);
66         std::cregex_token_iterator i2 = i;
67         std::cregex_token_iterator i3;
68         assert(i  != std::cregex_token_iterator());
69         assert(i2 != std::cregex_token_iterator());
70         assert(i->str() == "start ");
71         assert(i2->str() == "start ");
72         i3 = i;
73         ++i;
74         assert(i  != std::cregex_token_iterator());
75         assert(i2 != std::cregex_token_iterator());
76         assert(i3 != std::cregex_token_iterator());
77         assert(i->str() == ", ");
78         assert(i2->str() == "start ");
79         assert(i3->str() == "start ");
80         i3 = i;
81         ++i;
82         assert(i  != std::cregex_token_iterator());
83         assert(i2 != std::cregex_token_iterator());
84         assert(i3 != std::cregex_token_iterator());
85         assert(i->str() == ", ");
86         assert(i2->str() == "start ");
87         assert(i3->str() == ", ");
88         i3 = i;
89         ++i;
90         assert(i  != std::cregex_token_iterator());
91         assert(i2 != std::cregex_token_iterator());
92         assert(i3 != std::cregex_token_iterator());
93         assert(i->str() == " end");
94         assert(i2->str() == "start ");
95         assert(i3->str() == ", ");
96         i3 = i;
97         ++i;
98         assert(i  == std::cregex_token_iterator());
99         assert(i2 != std::cregex_token_iterator());
100         assert(i3 != std::cregex_token_iterator());
101         assert(i2->str() == "start ");
102         assert(i3->str() == " end");
103     }
104     {
105         std::regex phone_numbers("\\d{3}-\\d{4}");
106         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
107         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
108                                      phone_numbers);
109         assert(i != std::cregex_token_iterator());
110         assert(i->str() == "555-1234");
111         i++;
112         assert(i != std::cregex_token_iterator());
113         assert(i->str() == "555-2345");
114         i++;
115         assert(i != std::cregex_token_iterator());
116         assert(i->str() == "555-3456");
117         i++;
118         assert(i == std::cregex_token_iterator());
119     }
120     {
121         std::regex phone_numbers("\\d{3}-(\\d{4})");
122         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
123         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
124                                      phone_numbers, 1);
125         assert(i != std::cregex_token_iterator());
126         assert(i->str() == "1234");
127         i++;
128         assert(i != std::cregex_token_iterator());
129         assert(i->str() == "2345");
130         i++;
131         assert(i != std::cregex_token_iterator());
132         assert(i->str() == "3456");
133         i++;
134         assert(i == std::cregex_token_iterator());
135     }
136 }
137