ZCW-PhoneBook/PhoneBookTest.java

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

/**
 * The test class PhoneBookTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class PhoneBookTest
{
    /**
     * Default constructor for test class PhoneBookTest
     */
    public PhoneBookTest(){
        PhoneBook phoneBook = new PhoneBook();
    }

    /**
     * Sets up the test fixture.
     *
     * Called before every test case method.
     */
    @Before
    public void setUp()
    {
    }
    @Test
    public void assTest() {
    
        PhoneBook phoneBook = new PhoneBook();
        
        //given
        phoneBook.add("Ben", "358-1032");
        
        //then
        
        String actual = phoneBook.lookup("Ben");
        String expected = "358-1032";
        
        //assert
        
        assertEquals(expected, actual);
    
    }
    @Test
    public void removeTest() {
        PhoneBook phoneBook = new PhoneBook();
        
        //given
        phoneBook.add("Ben", "358-1032");
        phoneBook.remove("Ben");
        
        //then
        int actual = phoneBook.getSize();
        int expected = 0;
        
        //assert
        assertEquals(expected, actual);
    }
    @Test
    public void reverseLookupTest() {
        PhoneBook phoneBook = new PhoneBook();
        
        //given
        phoneBook.add("Ben", "358-1032");
        
        //then
        String actual = phoneBook.reverseLookup("358-1032");
        String expected = "Ben";
        
        //assert
        assertEquals(expected, actual);
    }
    @Test
    public void displayTest() {
        PhoneBook phoneBook = new PhoneBook();
        
        //given
        phoneBook.add("Ben", "358-1032");
        
        //then
        String actual = phoneBook.display();
        String expected = "Ben : 358-1032";
        
        //assert
        assertEquals(expected, actual);
    }
    /**
     * Tears down the test fixture.
     *
     * Called after every test case method.
     */
    @After
    public void tearDown()
    {
    }
}