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 // <exception> 10 11 // typedef unspecified exception_ptr; 12 13 // exception_ptr shall satisfy the requirements of NullablePointer. 14 15 #include <exception> 16 #include <cassert> 17 #include <type_traits> 18 19 #include "test_macros.h" 20 main(int,char **)21int main(int, char**) 22 { 23 std::exception_ptr p; 24 assert(p == nullptr); 25 std::exception_ptr p2 = p; 26 assert(nullptr == p); 27 assert(!p); 28 assert(p2 == p); 29 p2 = p; 30 assert(p2 == p); 31 assert(p2 == nullptr); 32 std::exception_ptr p3 = nullptr; 33 assert(p3 == nullptr); 34 p3 = nullptr; 35 assert(p3 == nullptr); 36 37 return 0; 38 } 39