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 // class nested_exception; 12 13 // nested_exception& operator=(const nested_exception&) throw() = default; 14 15 #include <exception> 16 #include <cassert> 17 18 #include "test_macros.h" 19 20 class A 21 { 22 int data_; 23 public: 24 explicit A(int data) : data_(data) {} 25 26 friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;} 27 }; 28 29 int main(int, char**) 30 { 31 { 32 std::nested_exception e0; 33 std::nested_exception e; 34 e = e0; 35 assert(e.nested_ptr() == nullptr); 36 } 37 #ifndef TEST_HAS_NO_EXCEPTIONS 38 { 39 try 40 { 41 throw A(2); 42 assert(false); 43 } 44 catch (const A&) 45 { 46 std::nested_exception e0; 47 std::nested_exception e; 48 e = e0; 49 assert(e.nested_ptr() != nullptr); 50 try 51 { 52 rethrow_exception(e.nested_ptr()); 53 assert(false); 54 } 55 catch (const A& a) 56 { 57 assert(a == A(2)); 58 } 59 } 60 } 61 #endif 62 63 return 0; 64 } 65