ZCW-PhoneBook/PhoneBookTest.java

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


public class PhoneBookTest
{
    @Test
    public void testAdd() 
    {
       PhoneBook test = new PhoneBook();
       boolean expected = true;
       String name = "Jenny";
       String number = "(302)-867-5309";
       test.add(name, number);
       
       boolean actual = test.getPhoneBook().containsKey(name);
       assertEquals(expected, actual);  
    }
    // vvvv I hope this is okay since I know the add method works now vvvv
    @Test
    public void testAddPhoneBookEntry_And_Lookup()
    {
       PhoneBook test = new PhoneBook();
       String name = "Jenny";
       String expectedNumber = "(302)-867-5309";
       test.add(name, expectedNumber);
       
       String actual = test.lookup(name); 
       assertEquals(expectedNumber, actual);
    }
    
    @Test(expected = NullPointerException.class)
    public void testRemoveEntry_And_Lookup()
    {
       PhoneBook test = new PhoneBook();
       String name = "Jenny";
       String number = "(302)-867-5309";
       test.add(name, number);
       test.removeEntry(name);
       test.lookup(name);   
    }
    
    @Test
    public void testReverseLookup()
    {
       PhoneBook test = new PhoneBook();
       String phoneNumber = "(302)-867-5309";
       String expectedName = "Jenny";
       test.add(expectedName, phoneNumber);
       
       String actual = test.reverseLookup(phoneNumber);
       assertEquals(expectedName, actual);
     
    } 
    
    @Test
    public void testDisplay() {
       PhoneBook test = new PhoneBook();
       test.add("hey", "302");
       test.add("yo", "521");
       test.add("hey", "498");
       System.out.println(test.display());
    }
}