1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <memory> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// class bad_weak_ptr 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// : public std::exception 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// { 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// public: 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// bad_weak_ptr(); 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// }; 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <type_traits> 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cstring> 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert((std::is_base_of<std::exception, std::bad_weak_ptr>::value), ""); 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::bad_weak_ptr e; 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::bad_weak_ptr e2 = e; 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant e2 = e; 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(std::strcmp(e.what(), "bad_weak_ptr") == 0); 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 32