Junit¶

public class Calculater {
    public int add(int a, int b) {
        return a + b;
    }
}

public class CalculaterTest{
    @Before
    public void init() {

    }

    @After
    public void close() {

    }

    @Test
    public void testAdd() {
        Calculater calculater = new Calculater();
        int result = calculater.add(1, 2);
        Assert.assertEquals(3, result);
    }
}