gdb/testsuite/gdb.cp/mb-ctor.cc

   1
   2 #include <stdio.h>
   3
   4 class Base
   5 {
   6 public:
   7   Base(int k);
   8   ~Base();
   9   virtual void foo() {}
  10 private:
  11   int k;
  12 };
  13
  14 Base::Base(int k)
  15 {
  16   this->k = k;
  17 }
  18
  19 Base::~Base()
  20 {
  21     printf("~Base\n");
  22 }
  23
  24 class Derived : public virtual Base
  25 {
  26 public:
  27   Derived(int i);
  28   ~Derived();
  29 private:
  30   int i;
  31 };
  32
  33 Derived::Derived(int i) : Base(i)
  34 {
  35   this->i = i;
  36 }
  37
  38 Derived::~Derived()
  39 {
  40     printf("~Derived\n");
  41 }
  42
  43 class DeeplyDerived : public Derived
  44 {
  45 public:
  46   DeeplyDerived(int i) : Base(i), Derived(i) {}
  47 };
  48
  49 int main()
  50 {
  51   /* Invokes the Derived ctor that constructs both
  52      Derived and Base.  */
  53   Derived d(7);
  54   /* Invokes the Derived ctor that constructs only
  55      Derived. Base is constructed separately by
  56      DeeplyDerived's ctor.  */
  57   DeeplyDerived dd(15);
  58 }