Copy constructor shenanigans

gistfile1.cpp

#include <iostream>

class Base {
public:
  Base() {}
  Base(const Base & a) {
    std::cout << "In Base\n";
  }
};

class Alfred : public Base {
public:
  Alfred() : Base() {}
  Alfred(const Base & a) {
    std::cout << "In Alfred(Base)\n";
  }
  Alfred(const Alfred & a) {
    std::cout << "In Alfred(Alfred)\n";
  }
};

class Zoe : public Base {
public:
  Zoe() : Base() {}
  Zoe(const Zoe & a) {
    std::cout << "In Zoe(Zoe)\n";
  }
};

void test(const Base & base)
{
  Base bill(base);
  // Alfred aligator(base);
  // Zoe zeothrope(base);
}

int main()
{
  Base base;
  Alfred alfred;
  Zoe zoe;

  test(base);
  test(alfred);
  test(zoe);
}