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() throw(); 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 e; 34 assert(e.nested_ptr() == nullptr); 35 } 36 #ifndef TEST_HAS_NO_EXCEPTIONS 37 { 38 try 39 { 40 throw A(2); 41 assert(false); 42 } 43 catch (const A&) 44 { 45 std::nested_exception e; 46 assert(e.nested_ptr() != nullptr); 47 try 48 { 49 rethrow_exception(e.nested_ptr()); 50 assert(false); 51 } 52 catch (const A& a) 53 { 54 assert(a == A(2)); 55 } 56 } 57 } 58 #endif 59 } 60
