1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <regex>
10
11 // class regex_token_iterator<BidirectionalIterator, charT, traits>
12
13 // regex_token_iterator& operator++(int);
14
15 #include <regex>
16 #include <cassert>
17 #include <iterator>
18
19 #include "test_macros.h"
20
main(int,char **)21 int main(int, char**)
22 {
23 {
24 std::regex phone_numbers("\\d{3}-\\d{4}");
25 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
26 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
27 phone_numbers, -1);
28 std::cregex_token_iterator i2 = i;
29 std::cregex_token_iterator i3;
30 assert(i != std::cregex_token_iterator());
31 assert(i2 != std::cregex_token_iterator());
32 assert(i->str() == "start ");
33 assert(i2->str() == "start ");
34 i3 = i++;
35 assert(i != std::cregex_token_iterator());
36 assert(i2 != std::cregex_token_iterator());
37 assert(i3 != std::cregex_token_iterator());
38 assert(i->str() == ", ");
39 assert(i2->str() == "start ");
40 assert(i3->str() == "start ");
41 i3 = i++;
42 assert(i != std::cregex_token_iterator());
43 assert(i2 != std::cregex_token_iterator());
44 assert(i3 != std::cregex_token_iterator());
45 assert(i->str() == ", ");
46 assert(i2->str() == "start ");
47 assert(i3->str() == ", ");
48 i3 = i++;
49 assert(i != std::cregex_token_iterator());
50 assert(i2 != std::cregex_token_iterator());
51 assert(i3 != std::cregex_token_iterator());
52 assert(i->str() == " end");
53 assert(i2->str() == "start ");
54 assert(i3->str() == ", ");
55 i3 = i++;
56 assert(i == std::cregex_token_iterator());
57 assert(i2 != std::cregex_token_iterator());
58 assert(i3 != std::cregex_token_iterator());
59 assert(i2->str() == "start ");
60 assert(i3->str() == " end");
61 }
62 {
63 std::regex phone_numbers("\\d{3}-\\d{4}");
64 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
65 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
66 phone_numbers, -1);
67 std::cregex_token_iterator i2 = i;
68 std::cregex_token_iterator i3;
69 assert(i != std::cregex_token_iterator());
70 assert(i2 != std::cregex_token_iterator());
71 assert(i->str() == "start ");
72 assert(i2->str() == "start ");
73 i3 = i;
74 ++i;
75 assert(i != std::cregex_token_iterator());
76 assert(i2 != std::cregex_token_iterator());
77 assert(i3 != std::cregex_token_iterator());
78 assert(i->str() == ", ");
79 assert(i2->str() == "start ");
80 assert(i3->str() == "start ");
81 i3 = i;
82 ++i;
83 assert(i != std::cregex_token_iterator());
84 assert(i2 != std::cregex_token_iterator());
85 assert(i3 != std::cregex_token_iterator());
86 assert(i->str() == ", ");
87 assert(i2->str() == "start ");
88 assert(i3->str() == ", ");
89 i3 = i;
90 ++i;
91 assert(i != std::cregex_token_iterator());
92 assert(i2 != std::cregex_token_iterator());
93 assert(i3 != std::cregex_token_iterator());
94 assert(i->str() == " end");
95 assert(i2->str() == "start ");
96 assert(i3->str() == ", ");
97 i3 = i;
98 ++i;
99 assert(i == std::cregex_token_iterator());
100 assert(i2 != std::cregex_token_iterator());
101 assert(i3 != std::cregex_token_iterator());
102 assert(i2->str() == "start ");
103 assert(i3->str() == " end");
104 }
105 {
106 std::regex phone_numbers("\\d{3}-\\d{4}");
107 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
108 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
109 phone_numbers);
110 assert(i != std::cregex_token_iterator());
111 assert(i->str() == "555-1234");
112 i++;
113 assert(i != std::cregex_token_iterator());
114 assert(i->str() == "555-2345");
115 i++;
116 assert(i != std::cregex_token_iterator());
117 assert(i->str() == "555-3456");
118 i++;
119 assert(i == std::cregex_token_iterator());
120 }
121 {
122 std::regex phone_numbers("\\d{3}-(\\d{4})");
123 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
124 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
125 phone_numbers, 1);
126 assert(i != std::cregex_token_iterator());
127 assert(i->str() == "1234");
128 i++;
129 assert(i != std::cregex_token_iterator());
130 assert(i->str() == "2345");
131 i++;
132 assert(i != std::cregex_token_iterator());
133 assert(i->str() == "3456");
134 i++;
135 assert(i == std::cregex_token_iterator());
136 }
137
138 return 0;
139 }
140