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& operator=(const match_results& m);
14 
15 #include <regex>
16 #include <cassert>
17 #include "test_macros.h"
18 #include "test_allocator.h"
19 
20 template <class CharT, class Allocator>
21 void
test(const Allocator & a)22 test(const Allocator& a)
23 {
24     typedef std::match_results<const CharT*, Allocator> SM;
25     SM m0(a);
26     SM m1;
27 
28     m1 = m0;
29     assert(m1.size()          == m0.size());
30     assert(m1.ready()         == m0.ready());
31     if (std::allocator_traits<Allocator>::propagate_on_container_copy_assignment::value)
32         assert(m1.get_allocator() == m0.get_allocator());
33     else
34         assert(m1.get_allocator() == Allocator());
35 }
36 
main(int,char **)37 int main(int, char**)
38 {
39     test<char>   (std::allocator<std::sub_match<const char *> >());
40     test<wchar_t>(std::allocator<std::sub_match<const wchar_t *> >());
41 
42 //  test_allocator has POCCA -> false
43     test<char>   (test_allocator<std::sub_match<const char*> >(3));
44     test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
45 
46 //  other_allocator has POCCA -> true
47     test<char>   (other_allocator<std::sub_match<const char*> >(3));
48     test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3));
49 
50   return 0;
51 }
52