ZCW-PhoneBook/PhoneBookTest.java

import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.TreeMap;
import java.util.Map;
import java.util.ArrayList;

public class PhoneBookTest {
    PhoneBook pb = new PhoneBook();
    ArrayList<String> numbers = new ArrayList<String>();
    @Test
    public void addTest(){

        String entry = pb.add("Kris", "666-666-6666");
        int actual = pb.getSize();

        assertEquals(1, actual);
    }

    @Test
    public void removeTest(){
        pb.add("Emily", "777-777-7777");
        pb.add("Karl", "888-888-8888");
        pb.add("Chad", "999-999-9999");
        String entry = pb.remove("Emily");

        assertEquals(false, pb.keyExists("Emily"));
    }

    @Test
    public void lookupTest(){
        pb.add("Karl", "888-888-8888");
        String entry = pb.lookup("Karl");

        assertEquals("888-888-8888",pb.lookup("Karl"));
    }
    
    @Test
    public void reverseLookupTest(){
        pb.add("Chad", "999-999-9999");
        String entry = pb.reverseLookup("Chad");

        assertEquals("Chad",pb.reverseLookup("999-999-9999"));
    }
    
}