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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <string>
// reverse_iterator rend();
// const_reverse_iterator rend() const;
#include <string>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
#include "min_allocator.h"
template <class S>
void
test(S s)
{
const S& cs = s;
typename S::reverse_iterator e = s.rend();
typename S::const_reverse_iterator ce = cs.rend();
if (s.empty())
{
assert(e == s.rbegin());
assert(ce == cs.rbegin());
}
assert(static_cast<std::size_t>(e - s.rbegin()) == s.size());
assert(static_cast<std::size_t>(ce - cs.rbegin()) == cs.size());
}
int main(int, char**)
{
{
typedef std::string S;
test(S());
test(S("123"));
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S());
test(S("123"));
}
#endif
return 0;
}
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