ZCW-YeOldeCode/DepositAccountTest.java

import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * The test class DepositAccountTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class DepositAccountTest
{
    /**
     * Default constructor for test class DepositAccountTest
     */
    public DepositAccountTest()
    {
    }

    /**
     * Sets up the test fixture.
     *
     * Called before every test case method.
     */
    @Before
    public void setUp()
    {
    }

    /**
     * Tears down the test fixture.
     *
     * Called after every test case method.
     */
    @After
    public void tearDown()
    {
    }
    @Test
    public void testUpdate(){
    int expected = 42;
    DepositAccount da = new DepositAccount(30, 0.4);
    da.update();
    int actual = da.balance();
    assertEquals(expected, actual);
    }
    
}