//tstud1.cpp
//test driver for Constructors/Destructors example
//(constructor with default arguments and copy constructor)

#include "student1.h"
#include <iostream.h>

main() {

	//constructor with default arguments used
	Student freshman;
	Student *freshman1 = new Student;

	//constructor with parameters used
	Student lion ("Lion King");
	Student junior("James P. Johnson", 97);
	Student *senior = new Student("Barbara Simon", 78);

	//copy constructor used
	Student sophmore(freshman);
	Student upper_senior(*senior);
	Student *graduate = new Student(junior);

	cout<<"\t\tConstructors/Destructors example output"<<endl<<endl;
	cout<<"After constructor with default arguments:\n";
	freshman.print();
	freshman1->print();

	cout<<"\nAfter parameterized constructor:\n";
	lion.print();
	junior.print();
	senior->print();

	cout<<"\nAfter copy constructor:\n";
	sophmore.print();
	upper_senior.print();
	graduate->print();

	cout<<"\nNow destructor will be invoked:\n\n";

	//invoking destructor for pointer to a class object -
	//by applying operator 'delete'
	delete freshman1;
	delete senior;
	delete graduate;

	//destrucor for an automatic class object is invoked
	//automatically

	return 0;
}