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   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 // <unordered_map>
  10
  11 // Call erase(const_iterator first, const_iterator last); with second iterator from another container
  12
  13 // UNSUPPORTED: libcxx-no-debug-mode
  14
  15 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DEBUG=1
  16
  17 #include <unordered_map>
  18
  19 #include "test_macros.h"
  20 #include "debug_macros.h"
  21
  22 int main(int, char**) {
  23     typedef std::pair<int, int> P;
  24     P a1[] = {P(1, 1), P(2, 2), P(3, 3)};
  25     std::unordered_multimap<int, int> l1(a1, a1+3);
  26     std::unordered_multimap<int, int> l2(a1, a1+3);
  27     TEST_LIBCPP_ASSERT_FAILURE(
  28         l1.erase(l1.cbegin(), std::next(l2.cbegin())),
  29         "unordered container::erase(iterator, iterator) called with an iterator not referring to this container");
  30
  31     return 0;
  32 }