| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <unordered_set> |
| |
| // Call erase(const_iterator first, const_iterator last); with invalid iterators |
| |
| // REQUIRES: has-unix-headers |
| // UNSUPPORTED: !libcpp-has-debug-mode, c++03 |
| |
| #include <unordered_set> |
| |
| #include "check_assertion.h" |
| |
| int main(int, char**) { |
| // With first iterator from another container |
| { |
| int a1[] = {1, 2, 3}; |
| std::unordered_multiset<int> l1(a1, a1+3); |
| std::unordered_multiset<int> l2(a1, a1+3); |
| TEST_LIBCPP_ASSERT_FAILURE( |
| l1.erase(l2.cbegin(), std::next(l1.cbegin())), |
| "unordered container::erase(iterator, iterator) called with an iterator not referring to this container"); |
| } |
| |
| // With second iterator from another container |
| { |
| int a1[] = {1, 2, 3}; |
| std::unordered_multiset<int> l1(a1, a1+3); |
| std::unordered_multiset<int> l2(a1, a1+3); |
| TEST_LIBCPP_ASSERT_FAILURE( |
| l1.erase(l1.cbegin(), std::next(l2.cbegin())), |
| "unordered container::erase(iterator, iterator) called with an iterator not referring to this container"); |
| } |
| |
| // With both iterators from another container |
| { |
| int a1[] = {1, 2, 3}; |
| std::unordered_multiset<int> l1(a1, a1+3); |
| std::unordered_multiset<int> l2(a1, a1+3); |
| TEST_LIBCPP_ASSERT_FAILURE( |
| l1.erase(l2.cbegin(), std::next(l2.cbegin())), |
| "unordered container::erase(iterator, iterator) called with an iterator not referring to this container"); |
| } |
| |
| // With an invalid range |
| { |
| int a1[] = {1, 2, 3}; |
| std::unordered_multiset<int> l1(a1, a1+3); |
| TEST_LIBCPP_ASSERT_FAILURE(l1.erase(std::next(l1.cbegin()), l1.cbegin()), |
| "Attempted to increment a non-incrementable unordered container const_iterator"); |
| } |
| |
| return 0; |
| } |