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: libcpp-hardening-mode=debug && availability-verbose_abort-missing |
13 | |
14 | // <list> |
15 | |
16 | // Call advance(non-bidi iterator, -1) |
17 | |
18 | #include <iterator> |
19 | |
20 | #include "check_assertion.h" |
21 | #include "test_iterators.h" |
22 | |
23 | int main(int, char**) { |
24 | int a[] = {1, 2, 3}; |
25 | |
26 | bidirectional_iterator<int *> bidi(a+1); |
27 | std::advance(bidi, 1); // should work fine |
28 | std::advance(bidi, 0); // should work fine |
29 | std::advance(bidi, -1); // should work fine |
30 | |
31 | forward_iterator<int *> it(a+1); |
32 | std::advance(it, 1); // should work fine |
33 | std::advance(it, 0); // should work fine |
34 | TEST_LIBCPP_ASSERT_FAILURE(std::advance(it, -1), "Attempt to advance(it, n) with negative n on a non-bidirectional iterator" ); |
35 | |
36 | return 0; |
37 | } |
38 | |