kdbg/testprogs/multibrkpt.cpp

   1 #include <iostream>
   2 using namespace std;
   3
   4 template<class T>
   5 struct Templated
   6 {
   7         T val;
   8         Templated(T aval) : val(aval) {
   9                 cout << __func__ << " Ctor" << endl;
  10         }
  11         ~Templated() {
  12                 cout << __func__ << " Dtor" << endl;
  13         }
  14         void PrintV() {
  15                 cout << __func__ << " val=" << val << endl;
  16         }
  17         virtual void PrintName(int,int) const {
  18                 cout << __func__ << endl;
  19         }
  20 };
  21
  22 struct MostDerived : Templated<int>, Templated<double>
  23 {
  24         MostDerived() : Templated<int>(12), Templated<double>(3.14) {
  25                 cout << "MostDerived Ctor" << endl;
  26         }
  27         ~MostDerived() {
  28                 cout << "MostDerived Dtor" << endl;
  29         }
  30         void PrintV() {
  31                 Templated<int>::PrintV();
  32                 Templated<double>::PrintV();
  33         }
  34         virtual void PrintName(int,int) const {
  35                 cout << __func__ << endl;
  36         }
  37 };
  38
  39 int main()
  40 {
  41         MostDerived bothobj;
  42
  43         // test "this adjustment"
  44         void (Templated<int>::*pmf1)();
  45         void (Templated<double>::*pmf2)();
  46         void (MostDerived::*pmf3)();
  47         void (MostDerived::*pmf4)(int,int) const;
  48         pmf1 = static_cast<void (Templated<int>::*)()>(&MostDerived::PrintV);
  49         // the following has a non-trivial "this adjustment"
  50         pmf2 = static_cast<void (Templated<double>::*)()>(&MostDerived::PrintV);
  51         pmf3 = &Templated<double>::PrintV;
  52         pmf4 = &Templated<double>::PrintName;
  53
  54         bothobj.PrintV();
  55         (bothobj.*pmf4)(2, -5);
  56 }