//===----------------------------------------------------------------------===//
//
// 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_map>
// template <class Key, class Value, class Hash = hash<Key>, class Pred = equal_to<Key>,
// class Alloc = allocator<pair<const Key, Value>>>
// class unordered_multimap
// void swap(unordered_multimap& x, unordered_multimap& y);
// REQUIRES: has-unix-headers
// UNSUPPORTED: !libcpp-has-legacy-debug-mode, c++03
#include <unordered_map>
#include "check_assertion.h"
int main(int, char**) {
typedef std::pair<int, int> P;
P a1[] = {P(1, 1), P(3, 3), P(7, 7), P(9, 9), P(10, 10)};
P a2[] = {P(0, 0), P(2, 2), P(4, 4), P(5, 5), P(6, 6), P(8, 8), P(11, 11)};
std::unordered_multimap<int, int> c1(a1, a1+sizeof(a1)/sizeof(a1[0]));
std::unordered_multimap<int, int> c2(a2, a2+sizeof(a2)/sizeof(a2[0]));
std::unordered_multimap<int, int>::iterator i1 = c1.begin();
std::unordered_multimap<int, int>::iterator i2 = c2.begin();
swap(c1, c2);
c1.erase(i2);
TEST_LIBCPP_ASSERT_FAILURE(
c1.erase(i1), "unordered container erase(iterator) called with an iterator not referring to this container");
return 0;
}