import static org.junit.Assert.*; import org.junit.After; import org.junit.Before; import org.junit.Test; public class PhoneBookTest { @Before public void setUp(){ PhoneBook pb = new PhoneBook(); } @Test public void testAdd1(){ PhoneBook pb = new PhoneBook(); String expected = "123, 456"; pb.addEntrant("John" , "123", "456"); String actual = pb.lookup("John"); assertEquals(expected, actual); } @Test public void testAdd2(){ PhoneBook pb = new PhoneBook(); String expected = "123"; pb.addEntrant("Josh" , "123"); String actual = pb.lookup("Josh"); assertEquals(expected, actual); } @Test public void testRemove(){ PhoneBook pb = new PhoneBook(); String expected = null; pb.addEntrant("Josh" , "123"); pb.removeEntrant("Josh"); String actual = pb.lookup("Josh"); assertEquals(expected, actual); } @Test public void testLookup(){ PhoneBook pb = new PhoneBook(); String expected = "123, 456, 789"; pb.addEntrant("Josh" , "123", "456", "789"); String actual = pb.lookup("Josh"); assertEquals(expected, actual); } @Test public void testReverseLookup(){ } }