Finished lab

src/main/java/FizzBuzz.java

@@ -1,2 +1,15 @@
 public class FizzBuzz {
-}
+
+    public String of(int num){
+
+        if(num % 15 == 0){
+            return "FizzBuzz";
+        } else if(num % 5 == 0){
+            return "Buzz";
+        } else if(num % 3 == 0 ) {
+            return "Fizz";
+        } else{
+            return String.valueOf(num);
+        }
+    }
+}

src/test/java/FizzBuzzTest.java

@@ -1,2 +1,62 @@
+import org.junit.Assert;
+import org.junit.Test;
+
 public class FizzBuzzTest {
-}
+
+    @Test
+
+    public void testThree(){
+
+        //Given
+        FizzBuzz fb = new FizzBuzz();
+        String expWord = "Fizz";
+
+        //When
+        String actWord = fb.of(3);
+
+        Assert.assertEquals(expWord, actWord);
+    }
+
+    @Test
+
+    public void testFive(){
+
+        //Given
+        FizzBuzz fb = new FizzBuzz();
+        String expWord = "Buzz";
+
+        //When
+        String actWord = fb.of(5);
+
+        Assert.assertEquals(expWord, actWord);
+    }
+
+    @Test
+
+    public void testFifteen(){
+
+        //Given
+        FizzBuzz fb = new FizzBuzz();
+        String expWord = "FizzBuzz";
+
+        //When
+        String actWord = fb.of(15);
+
+        Assert.assertEquals(expWord, actWord);
+    }
+
+    @Test
+
+    public void testOtherNum(){
+
+        //Given
+        FizzBuzz fb = new FizzBuzz();
+        String expWord = "2";
+
+        //When
+        String actWord = fb.of(2);
+
+        Assert.assertEquals(expWord, actWord);
+    }
+
+}