assign_iter_iter_flag.pass.cpp revision a90c6dd46005b2b14de3bb889a8d03bb34bd3256 
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// template <class charT, class traits = regex_traits<charT>> class basic_regex;
13
14// template <class InputIterator>
15//    basic_regex&
16//    assign(InputIterator first, InputIterator last,
17//           flag_type f = regex_constants::ECMAScript);
18
19#include <regex>
20#include <cassert>
21
22#include "test_iterators.h"
23
24int main()
25{
26    typedef input_iterator<std::string::const_iterator> I;
27    typedef forward_iterator<std::string::const_iterator> F;
28    std::string s4("(a([bc]))");
29    std::regex r2;
30
31    r2.assign(I(s4.begin()), I(s4.end()));
32    assert(r2.flags() == std::regex::ECMAScript);
33    assert(r2.mark_count() == 2);
34
35    r2.assign(I(s4.begin()), I(s4.end()), std::regex::extended);
36    assert(r2.flags() == std::regex::extended);
37    assert(r2.mark_count() == 2);
38
39    r2.assign(F(s4.begin()), F(s4.end()));
40    assert(r2.flags() == std::regex::ECMAScript);
41    assert(r2.mark_count() == 2);
42
43    r2.assign(F(s4.begin()), F(s4.end()), std::regex::extended);
44    assert(r2.flags() == std::regex::extended);
45    assert(r2.mark_count() == 2);
46}
47