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 // class match_results<BidirectionalIterator, Allocator>
13 
14 // match_results& operator=(const match_results& m);
15 
16 #include <regex>
17 #include <cassert>
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     typedef std::match_results<const CharT*, Allocator> SM;
26     SM m0(a);
27     SM m1;
28 
29     m1 = m0;
30     assert(m1.size()          == m0.size());
31     assert(m1.str()           == m0.str());
32     if (std::allocator_traits<Allocator>::propagate_on_container_copy_assignment::value)
33         assert(m1.get_allocator() == m0.get_allocator());
34     else
35         assert(m1.get_allocator() == Allocator());
36 }
37 
main()38 int main()
39 {
40     test<char>   (std::allocator<std::sub_match<const char *> >());
41     test<wchar_t>(std::allocator<std::sub_match<const wchar_t *> >());
42 
43 //  test_allocator has POCCA -> false
44     test<char>   (test_allocator<std::sub_match<const char*> >(3));
45     test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
46 
47 //  other_allocator has POCCA -> true
48     test<char>   (other_allocator<std::sub_match<const char*> >(3));
49     test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3));
50 }
51