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 // REQUIRES: has-unix-headers
10 // UNSUPPORTED: c++03
11 // REQUIRES: libcpp-hardening-mode={{extensive|debug}}
12 // XFAIL: availability-verbose_abort-missing
13
14 // <list>
15
16 // Call next(non-bidi iterator, -1)
17
18 #include <iterator>
19
20 #include "check_assertion.h"
21 #include "test_iterators.h"
22
main(int,char **)23 int main(int, char**) {
24 int a[] = {1, 2, 3};
25 forward_iterator<int *> it(a+1);
26 std::next(it, 1); // should work fine
27 std::next(it, 0); // should work fine
28 TEST_LIBCPP_ASSERT_FAILURE(std::next(it, -1), "Attempt to next(it, n) with negative n on a non-bidirectional iterator");
29
30 return 0;
31 }
32