1 //===----------------------- cxa_bad_cast.pass.cpp ------------------------===// 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 // UNSUPPORTED: c++98, c++03 11 12 #include <cxxabi.h> 13 #include <cassert> 14 #include <stdlib.h> 15 #include <exception> 16 #include <typeinfo> 17 18 class Base { 19 virtual void foo() {}; 20 }; 21 22 class Derived : public Base {}; 23 24 Derived &test_bad_cast(Base b) { 25 return dynamic_cast<Derived&>(b); 26 } 27 28 Base gB; 29 30 void my_terminate() { exit(0); } 31 32 int main () 33 { 34 // swap-out the terminate handler 35 void (*default_handler)() = std::get_terminate(); 36 std::set_terminate(my_terminate); 37 38 #ifndef LIBCXXABI_HAS_NO_EXCEPTIONS 39 try { 40 #endif 41 Derived &d = test_bad_cast(gB); 42 assert(false); 43 ((void)d); 44 #ifndef LIBCXXABI_HAS_NO_EXCEPTIONS 45 } catch (std::bad_cast) { 46 // success 47 return 0; 48 } catch (...) { 49 assert(false); 50 } 51 #endif 52 53 // failure, restore the default terminate handler and fire 54 std::set_terminate(default_handler); 55 std::terminate(); 56 } 57
