import junit.framework.TestCase;

public class MyFirstTest extends TestCase {
    public void testOneAndOneIsTwo() {
        assertEquals(2, add(1, 1));
    }

    public void testTwoAndTwoIsFour() {
        assertEquals(4, add(2, 2));
    }

    public void testTwoAndThreeIsFive() {
        assertEquals(5, add(2, 3));
    }

    private int add(int left, int right) {
        return left + right;
    }
}