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

52 lines
1.6 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
//
//===----------------------------------------------------------------------===//
// <regex>
// class match_results<BidirectionalIterator, Allocator>
// match_results& operator=(const match_results& m);
#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;
SM m0(a);
SM m1;
m1 = m0;
assert(m1.size() == m0.size());
assert(m1.ready() == m0.ready());
if (std::allocator_traits<Allocator>::propagate_on_container_copy_assignment::value)
assert(m1.get_allocator() == m0.get_allocator());
else
assert(m1.get_allocator() == Allocator());
}
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_allocator has POCCA -> false
test<char> (test_allocator<std::sub_match<const char*> >(3));
test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
// other_allocator has POCCA -> true
test<char> (other_allocator<std::sub_match<const char*> >(3));
test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3));
return 0;
}