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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
//
//===----------------------------------------------------------------------===//
// <iterator>
// move_iterator
// template <RandomAccessIterator Iter1, RandomAccessIterator Iter2>
// requires HasLess<Iter1, Iter2>
// bool
// operator<(const move_iterator<Iter1>& x, const move_iterator<Iter2>& y);
//
// constexpr in C++17
#include <iterator>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
template <class It>
void
test(It l, It r, bool x)
{
const std::move_iterator<It> r1(l);
const std::move_iterator<It> r2(r);
assert((r1 < r2) == x);
}
int main(int, char**)
{
char s[] = "1234567890";
test(random_access_iterator<char*>(s), random_access_iterator<char*>(s), false);
test(random_access_iterator<char*>(s), random_access_iterator<char*>(s+1), true);
test(random_access_iterator<char*>(s+1), random_access_iterator<char*>(s), false);
test(s, s, false);
test(s, s+1, true);
test(s+1, s, false);
#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 + 5);
constexpr MI it3 = std::make_move_iterator(p);
static_assert( (it1 < it2), "");
static_assert(!(it1 < it3), "");
static_assert(!(it2 < it3), "");
}
#endif
return 0;
}
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