Copy constructor test

#include <iostream>

using namespace std;

class Test01 {
    public:
        int value;
        Test01(int v=0): value(v) { cout << "Test01 " << value << " Constructor;\n"; }
        Test01(const Test01 &T): value(T.value) { cout << "Test01 " << value << " Copy Constructor;\n"; }
        ~Test01(){ cout << "Test01 " << value << " Destructor;\n"; }
        Test01 & operator= (const Test01 &T){ cout << "Test01 " << value << "  Assignment Operator;\n"; value = T.value; return *this; }
};

class Test02 : public Test01 {
    public:
        Test02(int v=0): Test01(v){ cout << "Test02 " << value << " Constructor;\n"; }
        //Test02(const Test02 &T){ cout << "Test02 " << value << " Copy Constructor;\n"; }
        ~Test02(){ cout << "Test02 " << value << " Destructor;\n"; }
};

int main(){
    Test02 a(3);
    cout << "a: " << a.value << "\n";
    Test02 b = a;
    cout << "b: " << b.value << "\n";

}