libcxxabi/test/cxa_bad_typeid.pass.cpp

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