Asiri Rathnayake | 4174e8b | 2016-05-31 12:01:32 +0000 | [diff] [blame] | 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); |
Eric Fiselier | 08bf03c | 2016-12-24 00:37:13 +0000 | [diff] [blame] | 43 | ((void)d); |
Asiri Rathnayake | 4174e8b | 2016-05-31 12:01:32 +0000 | [diff] [blame] | 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 | } |