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libcxx_old/test/std/re/re.results/re.results.const/move.pass.cpp

50 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <regex>
// class match_results<BidirectionalIterator, Allocator>
// match_results(match_results&& m) noexcept;
//
// Additionally, the stored Allocator value is move constructed from m.get_allocator().
#include <regex>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
template <class CharT, class Allocator>
void
test(const Allocator& a)
{
typedef std::match_results<const CharT*, Allocator> SM;
ASSERT_NOEXCEPT(SM(std::declval<SM&&>()));
SM m0(a);
assert(m0.get_allocator() == a);
SM m1(std::move(m0));
assert(m1.size() == 0);
assert(!m1.ready());
assert(m1.get_allocator() == a);
}
int main(int, char**)
{
test<char> (std::allocator<std::sub_match<const char *> >());
test<wchar_t>(std::allocator<std::sub_match<const wchar_t *> >());
test<char> (test_allocator<std::sub_match<const char*> >(3));
assert(test_alloc_base::moved == 1);
test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
assert(test_alloc_base::moved == 2);
return 0;
}