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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 // UNSUPPORTED: c++03
10 
11 // <regex>
12 
13 // class match_results<BidirectionalIterator, Allocator>
14 
15 // match_results& operator=(match_results&& m);
16 
17 #include <regex>
18 #include <cassert>
19 #include "test_macros.h"
20 #include "test_allocator.h"
21 
22 template <class CharT, class Allocator>
23 void
test(const Allocator & a)24 test(const Allocator& a)
25 {
26     typedef std::match_results<const CharT*, Allocator> SM;
27     SM m0(a);
28     SM m1;
29 
30     m1 = std::move(m0);
31     assert(m1.size()          == 0);
32     assert(m1.str()           == std::basic_string<CharT>());
33     if (std::allocator_traits<Allocator>::propagate_on_container_move_assignment::value)
34         assert(m1.get_allocator() == a);
35     else
36         assert(m1.get_allocator() == Allocator());
37 }
38 
main()39 int main()
40 {
41     test<char>   (std::allocator<std::sub_match<const char *> >());
42     test<wchar_t>(std::allocator<std::sub_match<const wchar_t *> >());
43 
44 //  test_allocator has POCMA -> false
45     test<char>   (test_allocator<std::sub_match<const char*> >(3));
46     test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
47 
48 //  other_allocator has POCMA -> true
49     test<char>   (other_allocator<std::sub_match<const char*> >(3));
50     test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3));
51 }
52