ZCW-PhoneBook/PhoneBookTest.java

import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.*;
/**
 * The test class PhoneBookTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class PhoneBookTest
{
    PhoneBook phoneBook = new PhoneBook();
    public Map<String,String> input = new TreeMap<String,String>();
    /**
     * Default constructor for test class PhoneBookTest
     */
    @Test
    public void testConstructor()
    {
        PhoneBook phoneBook = new PhoneBook();
    }

    @Test
    public void testAddingPhoneNumber(){
        
        input.put("Amy","232-323-3233");
        
        int expectedSize = 1;
        
        int actual1 = input.size();

        //When
         assertEquals(expectedSize,actual1);
    }

    @Test
    public void testRemovingPhoneNumber(){
        //Given
       
        input.put("Amy","232-323-3233");
        //Then
        String expected = null;
        String actual = phoneBook.remove("Amy");

        //When
        assertEquals(expected,actual);
    }
    
    @Test
    public void testLookUp(){
    
        input.put("Amy","232-323-3233");
        input.put("John","243-567-9963");
        input.put("Brian","555-555-5555");
        
        
        String expected = "Amy"+"232-323-3233";
        boolean key = false;
        if(input.containsKey("Amy")){
                key = true; 
            }
            assertTrue(key);
    }
     @Test
    public void testReverseLookUp(){
    
        input.put("Amy","232-323-3233");
        input.put("John","243-567-9963");
        input.put("Brian","555-555-5555");
        
        
        String expected = "Amy"+"232-323-3233";
        boolean value = false;
        if(input.containsValue("232-323-3233")){
                value = true; 
            }
            assertTrue(value);
    }
}