completed FizzBuzz with Will's test

src/main/java/FizzBuzz.java

@@ -1,2 +1,19 @@
 public class FizzBuzz {
+
+    public static String of (int num){
+
+        String str = "";
+
+        if (num == 0 ) {
+            return str + num;
+        } else  if ((num % 3 == 0) && (num % 5 ==0 )){
+            return "FizzBuzz";
+        }else if (num % 3 == 0){
+            return "Fizz";
+        } else if (num % 5 == 0){
+            return "Buzz";
+        } else {
+            return str + num;
+        }
+    }
 }

src/test/java/FizzBuzzTest.java

@@ -2,32 +2,135 @@ import org.junit.Assert;
 import org.junit.Test;
 
 public class FizzBuzzTest {
+    @Test
+    public void ifThreeAndFiveTest(){
+        // Given
+        int number1 = 15;
+        String expectedNumber = "FizzBuzz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifThreeAndFiveTest2(){
+        // Given
+        int number1 = 300000000;
+        String expectedNumber = "FizzBuzz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifThreeAndFiveTest3(){
+        // Given
+        int number1 = -3000;
+        String expectedNumber = "FizzBuzz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifThreeTest(){
+        // Given
+        int number1 = 99;
+        String expectedNumber = "Fizz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifThreeTest2(){
+        // Given
+        int number1 = 6;
+        String expectedNumber = "Fizz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifThreeTest3(){
+        // Given
+        int number1 = -24;
+        String expectedNumber = "Fizz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifFiveTest(){
+        // Given
+        int number1 = 25;
+        String expectedNumber = "Buzz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
+
+    @Test
+    public void ifFiveTest2(){
+        // Given
+        int number1 = 5000;
+        String expectedNumber = "Buzz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
+    }
 
     @Test
-    public void fizzTest (){
-        String expected = "Fizz";
-        String actual = FizzBuzz.count(9);
-        Assert.assertEquals(expected,actual);
+    public void ifFiveTest3(){
+        // Given
+        int number1 = -95;
+        String expectedNumber = "Buzz";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
     }
 
     @Test
-    public void BuzzTest (){
-        String expected = "Buzz";
-        String actual = FizzBuzz.count(10);
-        Assert.assertEquals(expected,actual);
+    public void ifNoneTest(){
+        // Given
+        int number1 = 0;
+        String expectedNumber = "0";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
     }
 
     @Test
-    public void BuzzTest (){
-        String expected = "FizzBuzz";
-        String actual = FizzBuzz.count(15);
-        Assert.assertEquals(expected,actual);
+    public void ifNoneTest2(){
+        // Given
+        int number1 = -47;
+        String expectedNumber = "-47";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
     }
 
     @Test
-    public void numbertest (){
-        String expected = "19";
-        String actual = FizzBuzz.count(19);
-        Assert.assertEquals(expected,actual);
+    public void ifNoneTest3(){
+        // Given
+        int number1 = 574;
+        String expectedNumber = "574";
+        //When
+        String actualNumber = FizzBuzz.of(number1);
+        //then
+        Assert.assertEquals(expectedNumber, actualNumber);
     }
 }