TestSuite

public class Ctest extends TestCase{

    public Ctest(String name){

    super(name);

    }

    public void testAdd(){

             assertEquals(5,Calculator.add(2,3));

    }

    public void testMinus(){

             assertEquals(0,Calculator.Minus(3,3));

    }

    public void testMultiply(){

             assertEquals(6,Calculator.multiply(2,3));

    }

    public void testDivision(){

             assertEquals(2,Calculator.division(6,3));

    }

    public static Test suite(){

    TestSuite suite=new TestSuite();

    suite.addtest(new Ctest("testAdd"));

    suite.addtest(new Ctest("testDivision"));

   } 

public static void main(String[] args){

    jubit.swingui.TestRunner.run(Ctest.class);

}

}