completed lab

src/main/java/com/zipcodewilmington/phonebook/PhoneBook.java

@@ -1,7 +1,88 @@
 package com.zipcodewilmington.phonebook;
 
+import java.sql.SQLOutput;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.Collection;
+
 /**
  * Created by leon on 1/23/18.
  */
+
 public class PhoneBook {
+
+    TreeMap <String, String> phoneBook = new TreeMap <String, String>();
+
+    public PhoneBook() {
+
+
+    }
+
+    public boolean hasEntry(String name) {
+
+
+
+        return phoneBook.containsKey(name);
+    }
+
+
+    public void add(String name, String phoneNumber) {
+
+
+        phoneBook.put(name, phoneNumber);
+
+
+
+    }
+
+    public String lookUp(String name) {
+
+
+        return phoneBook.get(name);
+
+
+    }
+
+    public void remove(String name) {
+
+
+        phoneBook.remove(name);
+
+    }
+
+    public String reverseLookUp(String phoneNumber) {
+
+        String result = "";
+
+        for(String keyName : phoneBook.keySet()) {
+
+            if(phoneBook.get(keyName).equals(phoneNumber)) {
+
+                result = keyName;
+
+            }
+        }
+
+        return result;
+    }
+
+    public void listNamesAndNumbers() {
+
+        for(String keyName : phoneBook.keySet()) {
+            System.out.println(keyName + " " + phoneBook.get(keyName));
+        }
+
+
+        }
+
+
+
+
+
 }
+
+
+
+

src/test/java/com/zipcodewilmington/phonebook/PhoneBookTest.java

@@ -1,7 +1,101 @@
 package com.zipcodewilmington.phonebook;
 
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.TreeMap;
+
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBookTest {
-}
+
+
+
+
+
+    @Test
+    public void hasEntryTest() {
+        boolean containsKey;
+
+        PhoneBook phone = new PhoneBook();
+        String name = "xzavia";
+        String phoneNumber = "302-399-3694";
+        phone.add(name, phoneNumber);
+
+        boolean actual = phone.hasEntry(name);
+
+        Assert.assertTrue(actual);
+
+
+    }
+
+
+     @Test
+     public void lookUpTest() {
+
+         PhoneBook phone = new PhoneBook();
+         String name = "xzavia";
+         String phoneNumber = "302-399-3694";
+         phone.add(name, phoneNumber);
+         String expected = (phoneNumber);
+         String actual = phone.lookUp(name);
+
+         Assert.assertEquals(expected, actual);
+
+     }
+
+     @Test
+     public void removeTest() {
+
+         PhoneBook phone = new PhoneBook();
+         String name = "xzavia";
+         String phoneNumber = "302-399-3694";
+         phone.add(name, phoneNumber);
+
+         phone.remove(name);
+
+         boolean actual = phone.hasEntry(name);
+
+
+         Assert.assertFalse(actual);
+
+
+
+     }
+     @Test
+    public void reverseLookUpTest() {
+
+         PhoneBook phone = new PhoneBook();
+         String name = "xzavia";
+         String phoneNumber = "302-399-3694";
+         phone.add(name, phoneNumber);
+         String expected = (name);
+         String actual = phone.reverseLookUp(phoneNumber);
+
+         Assert.assertEquals(expected,actual);
+
+
+     }
+
+
+
+    //@Test
+    //public void testContainsValueTest() {
+        // Given
+        // WE have a new phone book
+       // TreeMap <Integer, String> phoneBook = new TreeMap<Integer, String>();
+
+        // When
+        // We add an entry
+       // phoneBook.put(1 , "name");
+
+        // Then
+        // It will contain an entry
+        //Assert.assertTrue(phoneBook.containsValue("name"));
+
+
+    }
+
+
+