text: //===----------------------------------------------------------------------===//
  //
  // 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
  //
  //===----------------------------------------------------------------------===//
  
  // <string>
  
  // iterator insert(const_iterator p, size_type n, charT c);
  
  // REQUIRES: has-unix-headers
  // UNSUPPORTED: libcxx-no-debug-mode, c++03
  // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DEBUG=1
  
  #include <string>
  
  #include "check_assertion.h"
  
  int main(int, char**) {
      std::string s;
      std::string s2;
      TEST_LIBCPP_ASSERT_FAILURE(
          s.insert(s2.begin(), 1, 'a'),
          "string::insert(iterator, n, value) called with an iterator not referring to this string");
  
      return 0;
  }
  