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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>
// move_iterator
// move_iterator& operator++();
//
// constexpr in C++17
#include <iterator>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
template <class It>
void
test(It i, It x)
{
std::move_iterator<It> r(i);
std::move_iterator<It>& rr = ++r;
assert(r.base() == x);
assert(&rr == &r);
}
int main()
{
char s[] = "123";
test(input_iterator<char*>(s), input_iterator<char*>(s+1));
test(forward_iterator<char*>(s), forward_iterator<char*>(s+1));
test(bidirectional_iterator<char*>(s), bidirectional_iterator<char*>(s+1));
test(random_access_iterator<char*>(s), random_access_iterator<char*>(s+1));
test(s, s+1);
#if TEST_STD_VER > 14
{
constexpr const char *p = "123456789";
typedef std::move_iterator<const char *> MI;
constexpr MI it1 = std::make_move_iterator(p);
constexpr MI it2 = std::make_move_iterator(p+1);
static_assert(it1 != it2, "");
constexpr MI it3 = ++ std::make_move_iterator(p);
static_assert(it1 != it3, "");
static_assert(it2 == it3, "");
}
#endif
}
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