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// <regex>
10
11// class match_results<BidirectionalIterator, Allocator>
12
13// match_results(match_results&& m) noexcept;
14//
15// Additionally, the stored Allocator value is move constructed from m.get_allocator().
16
17#include <regex>
18#include <cassert>
19#include "test_macros.h"
20#include "test_allocator.h"
21
22template <class CharT, class Allocator>
23void
24test(const Allocator& a)
25{
26 typedef std::match_results<const CharT*, Allocator> SM;
27 ASSERT_NOEXCEPT(SM(std::declval<SM&&>()));
28
29 SM m0(a);
30 assert(m0.get_allocator() == a);
31
32 SM m1(std::move(m0));
33 assert(m1.size() == 0);
34 assert(!m1.ready());
35 assert(m1.get_allocator() == a);
36}
37
38int main(int, char**)
39{
40 test_allocator_statistics alloc_stats;
41 test<char> (a: std::allocator<std::sub_match<const char *> >());
42#ifndef TEST_HAS_NO_WIDE_CHARACTERS
43 test<wchar_t>(a: std::allocator<std::sub_match<const wchar_t *> >());
44#endif
45
46 test<char> (test_allocator<std::sub_match<const char*> >(3, &alloc_stats));
47 assert(alloc_stats.moved == 1);
48#ifndef TEST_HAS_NO_WIDE_CHARACTERS
49 test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3, &alloc_stats));
50 assert(alloc_stats.moved == 2);
51#endif
52
53 return 0;
54}
55

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