1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class charT, class traits = regex_traits<charT>> class basic_regex;
// template <class ForwardIterator>
// basic_regex(ForwardIterator first, ForwardIterator last);
#include <regex>
#include <cassert>
#include "test_iterators.h"
#include "test_macros.h"
template <class Iter>
void
test(Iter first, Iter last, unsigned mc)
{
std::basic_regex<typename std::iterator_traits<Iter>::value_type> r(first, last);
assert(r.flags() == std::regex_constants::ECMAScript);
assert(r.mark_count() == mc);
}
int main(int, char**)
{
typedef forward_iterator<std::string::const_iterator> F;
std::string s1("\\(a\\)");
std::string s2("\\(a[bc]\\)");
std::string s3("\\(a\\([bc]\\)\\)");
std::string s4("(a([bc]))");
test(F(s1.begin()), F(s1.end()), 0);
test(F(s2.begin()), F(s2.end()), 0);
test(F(s3.begin()), F(s3.end()), 0);
test(F(s4.begin()), F(s4.end()), 2);
return 0;
}
|
