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// UNSUPPORTED: c++03
9
10// <regex>
11
12// class match_results<BidirectionalIterator, Allocator>
13
14// match_results& operator=(match_results&& m);
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19#include "test_allocator.h"
20
21template <class CharT, class Allocator>
22void
23test(const Allocator& a)
24{
25 typedef std::match_results<const CharT*, Allocator> SM;
26 SM m0(a);
27 SM m1;
28
29 m1 = std::move(m0);
30 assert(m1.size() == 0);
31 assert(!m1.ready());
32 if (std::allocator_traits<Allocator>::propagate_on_container_move_assignment::value)
33 assert(m1.get_allocator() == a);
34 else
35 assert(m1.get_allocator() == Allocator());
36}
37
38int main(int, char**)
39{
40 test<char> (a: std::allocator<std::sub_match<const char *> >());
41#ifndef TEST_HAS_NO_WIDE_CHARACTERS
42 test<wchar_t>(a: std::allocator<std::sub_match<const wchar_t *> >());
43#endif
44
45 // test_allocator has POCMA -> false
46 test<char> (test_allocator<std::sub_match<const char*> >(3));
47#ifndef TEST_HAS_NO_WIDE_CHARACTERS
48 test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
49#endif
50
51 // other_allocator has POCMA -> true
52 test<char> (other_allocator<std::sub_match<const char*> >(3));
53#ifndef TEST_HAS_NO_WIDE_CHARACTERS
54 test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3));
55#endif
56
57 return 0;
58}
59

source code of libcxx/test/std/re/re.results/re.results.const/move_assign.pass.cpp