testcase/cxxabi/pure_virtual.cpp

   1 /*
   2 Permission is granted to use, modify, and / or redistribute at will.
   3
   4 This includes removing authorship notices, re-use of code parts in
   5 other software (with or without giving credit), and / or creating a
   6 commercial product based on it.
   7
   8 This permission is not revocable by the author.
   9
  10 This software is provided as-is. Use it at your own risk. There is
  11 no warranty whatsoever, neither expressed nor implied, and by using
  12 this software you accept that the author(s) shall not be held liable
  13 for any loss of data, loss of service, or other damages, be they
  14 incidental or consequential. Your only option other than accepting
  15 this is not to use the software at all.
  16 */
  17 #include <cstdlib>
  18
  19 /*
  20  * NOTE: This testcase is supposed to fail during execution
  21  * This testcase checks that a handler for pure virtual functions that are
  22  * not properly set is called
  23  */
  24
  25 class base
  26 {
  27   public:
  28     base()
  29     {
  30       // f1 calls our pure virtual function,
  31       // but derived is not yet constructed
  32       f1();
  33     }
  34
  35     void f1()
  36     {
  37       f2();
  38     }
  39
  40     virtual void f2() = 0;
  41     virtual ~base(){}
  42 };
  43
  44 class derived : public base
  45 {
  46   public:
  47     virtual void f2()
  48     {
  49     }
  50 };
  51
  52 int main()
  53 {
  54   derived* d = new derived();
  55   d->f2();
  56   return EXIT_SUCCESS;
  57 }