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 match_results<BidirectionalIterator, Allocator>
12 
13 // match_results(const Allocator& a = Allocator());
14 
15 #include <regex>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 #include "test_allocator.h"
20 
21 template <class CharT, class Allocator>
22 void
test(const Allocator & a)23 test(const Allocator& a)
24 {
25     std::match_results<const CharT*, Allocator> m(a);
26     assert(m.size() == 0);
27     assert(!m.ready());
28     assert(m.get_allocator() == a);
29 }
30 
main(int,char **)31 int main(int, char**)
32 {
33     test<char>(test_allocator<std::sub_match<const char*> >(3));
34     test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
35 
36   return 0;
37 }
38