1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <exception> 11 12 // class nested_exception; 13 14 // nested_exception& operator=(const nested_exception&) throw() = default; 15 16 #include <exception> 17 #include <cassert> 18 19 #include "test_macros.h" 20 21 class A 22 { 23 int data_; 24 public: 25 explicit A(int data) : data_(data) {} 26 27 friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;} 28 }; 29 30 int main() 31 { 32 { 33 std::nested_exception e0; 34 std::nested_exception e; 35 e = e0; 36 assert(e.nested_ptr() == nullptr); 37 } 38 #ifndef TEST_HAS_NO_EXCEPTIONS 39 { 40 try 41 { 42 throw A(2); 43 assert(false); 44 } 45 catch (const A&) 46 { 47 std::nested_exception e0; 48 std::nested_exception e; 49 e = e0; 50 assert(e.nested_ptr() != nullptr); 51 try 52 { 53 rethrow_exception(e.nested_ptr()); 54 assert(false); 55 } 56 catch (const A& a) 57 { 58 assert(a == A(2)); 59 } 60 } 61 } 62 #endif 63 } 64
