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// const value_type& operator*() const;
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19
20int main()
21{
22    {
23        std::regex phone_numbers("\\d{3}-\\d{4}");
24        const char phone_book[] = "555-1234, 555-2345, 555-3456";
25        std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
26        assert(i != std::cregex_iterator());
27        assert((*i).size() == 1);
28        assert((*i).position() == 0);
29        assert((*i).str() == "555-1234");
30        ++i;
31        assert(i != std::cregex_iterator());
32        assert((*i).size() == 1);
33        assert((*i).position() == 10);
34        assert((*i).str() == "555-2345");
35        ++i;
36        assert(i != std::cregex_iterator());
37        assert((*i).size() == 1);
38        assert((*i).position() == 20);
39        assert((*i).str() == "555-3456");
40        ++i;
41        assert(i == std::cregex_iterator());
42    }
43}
44