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1 //===----------------------- cxa_bad_cast.pass.cpp ------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 // UNSUPPORTED: c++98, c++03
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10
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11 #include <cxxabi.h>
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12 #include <cassert>
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13 #include <stdlib.h>
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14 #include <exception>
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15 #include <typeinfo>
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16
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17 class Base {
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18 virtual void foo() {};
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19 };
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20
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21 class Derived : public Base {};
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22
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23 Derived &test_bad_cast(Base& b) {
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24 return dynamic_cast<Derived&>(b);
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25 }
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26
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27 Base gB;
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28
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29 void my_terminate() { exit(0); }
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30
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31 int main ()
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32 {
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33 // swap-out the terminate handler
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34 void (*default_handler)() = std::get_terminate();
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35 std::set_terminate(my_terminate);
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36
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37 #ifndef LIBCXXABI_HAS_NO_EXCEPTIONS
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38 try {
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39 #endif
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40 Derived &d = test_bad_cast(gB);
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41 assert(false);
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42 ((void)d);
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43 #ifndef LIBCXXABI_HAS_NO_EXCEPTIONS
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44 } catch (std::bad_cast) {
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45 // success
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46 return 0;
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47 } catch (...) {
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48 assert(false);
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49 }
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50 #endif
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51
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52 // failure, restore the default terminate handler and fire
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53 std::set_terminate(default_handler);
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54 std::terminate();
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55 }
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