libcxxabi/test/cxa_bad_typeid.pass.cpp

   1 //===----------------------------------------------------------------------===//
   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++03
  10
  11 #include <cxxabi.h>
  12 #include <cassert>
  13 #include <stdlib.h>
  14 #include <exception>
  15 #include <typeinfo>
  16 #include <string>
  17
  18 #include "test_macros.h"
  19
  20 class Base {
  21   virtual void foo() {};
  22 };
  23
  24 class Derived : public Base {};
  25
  26 std::string test_bad_typeid(Derived *p) {
  27     return typeid(*p).name();
  28 }
  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 TEST_HAS_NO_EXCEPTIONS
  39     try {
  40 #endif
  41         test_bad_typeid(nullptr);
  42         assert(false);
  43 #ifndef TEST_HAS_NO_EXCEPTIONS
  44     } catch (std::bad_typeid const&) {
  45         // success
  46         return 0;
  47     } catch (...) {
  48         assert(false);
  49     }
  50 #endif
  51
  52     // failure, restore the default terminate handler and fire
  53     std::set_terminate(default_handler);
  54     std::terminate();
  55 }