class TestClass1

 {

 public:

     TestClass1()

     {

         cout << "TestClass1()" << endl;

     }

     TestClass1(const TestClass1&)

     {

         cout << "TestClass1(const TestClass1&)" << endl;

     }

     TestClass1(int i)

     {

         cout << "TestClass1(int i) " << i << " " <<endl;

     }

 };

 class TestClass2

 {

 public:

     TestClass2() { cout << "TestClass2()" << endl; }

     TestClass2(const TestClass2&){ cout << "TestClass2(const TestClass2&)" << endl; }

     int fun() { return ; }

 };

 class TestClass3

 {

 public:

     TestClass3(TestClass2& tc2):m_tc2(tc2),m_tc1(m_tc2.fun()) {};

 private:

     TestClass1 m_tc1;

     TestClass2 m_tc2;

 };

 int main()

 {

     TestClass2 tc2;

     cout << "................................................\n";

     TestClass3 tc3(tc2);

     return ;

 }