// Possible solution to programming question on 2313 Test 1

// -----------------------------------------------------------------------

// class .h file

#ifndef TEST_PROGRAM_CLASS_H
#define TEST_PROGRAM_CLASS_H

class TestProgramClass {
public:
	TestProgramClass(int=0);
	~TestProgramClass();
	int ReturnSum(void);
	void Add(int);
private:
	int sum;
};

#endif

// -----------------------------------------------------------------------

// class .cpp file

TestProgramClass::TestProgramClass(int i)
{
	sum = i;

	cout << "I'm alive" << endl;
}

TestProgramClass::~TestProgramClass()
{
	cout << "I'm dying" << endl;
}

void TestProgramClass::Add(int i);
{
	sum += i;
}

int TestProgramClass::ReturnSum(void)
{
	return sum;
}

// -----------------------------------------------------------------------

// driver .cpp file

void main (int argc, char *argv[])
{
	int value;

	if (argc != 2) {
		cout << "No parameter specified" << endl;
		return;
	}

	value = atoi(argv[1]);

	if (value == 0) {
		cout << "Invalid parameter" << endl;
		return;
	}

	TestProgramClass t1, t2(value);

	t1.Add(4);
	t1.Add(9);

	t2.Add(1);
	t2.Add(42);

	cout << t1.ReturnSum() << endl;
	cout << t2.ReturnSum() << endl;
}