1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <iterator>
10
11// move_iterator
12
13// template <RandomAccessIterator Iter>
14// move_iterator<Iter>
15// operator+(Iter::difference_type n, const move_iterator<Iter>& x);
16//
17// constexpr in C++17
18
19#include <iterator>
20#include <cassert>
21
22#include "test_macros.h"
23#include "test_iterators.h"
24
25template <class It>
26void
27test(It i, typename std::iterator_traits<It>::difference_type n, It x)
28{
29 const std::move_iterator<It> r(i);
30 std::move_iterator<It> rr = n + r;
31 assert(rr.base() == x);
32}
33
34int main(int, char**)
35{
36 char s[] = "1234567890";
37 test(random_access_iterator<char*>(s+5), 5, random_access_iterator<char*>(s+10));
38 test(i: s+5, n: 5, x: s+10);
39
40#if TEST_STD_VER > 14
41 {
42 constexpr const char *p = "123456789";
43 typedef std::move_iterator<const char *> MI;
44 constexpr MI it1 = std::make_move_iterator(p);
45 constexpr MI it2 = std::make_move_iterator(p + 5);
46 constexpr MI it3 = it1 + 5;
47 static_assert(it1 != it2, "");
48 static_assert(it1 != it3, "");
49 static_assert(it2 == it3, "");
50 }
51#endif
52
53 return 0;
54}
55

source code of libcxx/test/std/iterators/predef.iterators/move.iterators/move.iter.ops/move.iter.nonmember/plus.pass.cpp