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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// reverse_iterator
// explicit constexpr reverse_iterator(Iter x);
//
// constexpr in c++17
#include <iterator>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
template <class It>
void
test(It i)
{
std::reverse_iterator<It> r(i);
assert(r.base() == i);
}
int main()
{
const char s[] = "123";
test(bidirectional_iterator<const char*>(s));
test(random_access_iterator<const char*>(s));
test(s);
#if TEST_STD_VER > 14
{
constexpr const char *p = "123456789";
constexpr std::reverse_iterator<const char *> it(p);
static_assert(it.base() == p);
}
#endif
}
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