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_macros.h"
23#include "test_iterators.h"
24
25int main()
26{
27    typedef input_iterator<std::string::const_iterator> I;
28    typedef forward_iterator<std::string::const_iterator> F;
29    std::string s4("(a([bc]))");
30    std::regex r2;
31
32    r2.assign(I(s4.begin()), I(s4.end()));
33    assert(r2.flags() == std::regex::ECMAScript);
34    assert(r2.mark_count() == 2);
35
36    r2.assign(I(s4.begin()), I(s4.end()), std::regex::extended);
37    assert(r2.flags() == std::regex::extended);
38    assert(r2.mark_count() == 2);
39
40    r2.assign(F(s4.begin()), F(s4.end()));
41    assert(r2.flags() == std::regex::ECMAScript);
42    assert(r2.mark_count() == 2);
43
44    r2.assign(F(s4.begin()), F(s4.end()), std::regex::extended);
45    assert(r2.flags() == std::regex::extended);
46    assert(r2.mark_count() == 2);
47}
48