38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// REQUIRES: has-unix-headers
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// UNSUPPORTED: c++03
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// REQUIRES: libcpp-hardening-mode={{extensive|debug}}
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// XFAIL: libcpp-hardening-mode=debug && availability-verbose_abort-missing
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// <list>
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// Call advance(non-bidi iterator, -1)
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#include <iterator>
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#include "check_assertion.h"
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#include "test_iterators.h"
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int main(int, char**) {
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int a[] = {1, 2, 3};
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bidirectional_iterator<int *> bidi(a+1);
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std::advance(bidi, 1); // should work fine
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std::advance(bidi, 0); // should work fine
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std::advance(bidi, -1); // should work fine
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forward_iterator<int *> it(a+1);
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std::advance(it, 1); // should work fine
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std::advance(it, 0); // should work fine
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TEST_LIBCPP_ASSERT_FAILURE(std::advance(it, -1), "std::advance: Can only pass a negative `n` with a bidirectional_iterator.");
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return 0;
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}
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