diff --git a/src/splitInteger.js b/src/splitInteger.js
index d3da7485..0b646141 100644
--- a/src/splitInteger.js
+++ b/src/splitInteger.js
@@ -1,4 +1,4 @@
-'use strict';
+"use strict";
 
 /**
  * @param {number} value
diff --git a/src/splitInteger.test.js b/src/splitInteger.test.js
index a610317d..3714cb57 100644
--- a/src/splitInteger.test.js
+++ b/src/splitInteger.test.js
@@ -1,21 +1,43 @@
-'use strict';
+"use strict";
 
-const splitInteger = require('./splitInteger');
+const splitInteger = require("./splitInteger");
 
 test(`should split a number into equal parts
   if a value is divisible by a numberOfParts`, () => {
-
+  expect(splitInteger(6, 3)).toEqual([2, 2, 2]);
+  expect(splitInteger(10, 5)).toEqual([2, 2, 2, 2, 2]);
+  expect(splitInteger(8, 4)).toEqual([2, 2, 2, 2]);
 });
 
 test(`should return a part equals to a value
   when splitting into 1 part`, () => {
+  expect(splitInteger(10, 1)).toEqual([10]);
+});
+
+test("should sort parts ascending if they are not equal", () => {
+  expect(splitInteger(10, 3)).toEqual([3, 3, 4]);
+  expect(splitInteger(11, 4)).toEqual([2, 3, 3, 3]);
+});
 
+test("should add zeros if value < numberOfParts", () => {
+  expect(splitInteger(3, 5)).toEqual([0, 0, 1, 1, 1]);
+  expect(splitInteger(2, 4)).toEqual([0, 0, 1, 1]);
+  expect(splitInteger(1, 3)).toEqual([0, 0, 1]);
 });
 
-test('should sort parts ascending if they are not equal', () => {
+test("splitInteger(8, 1) should return [8]", () => {
+  expect(splitInteger(8, 1)).toEqual([8]);
+});
+
+test("splitInteger(6, 2) should return [3, 3]", () => {
+  expect(splitInteger(6, 2)).toEqual([3, 3]);
+});
 
+test("splitInteger(17, 4) should return [4, 4, 4, 5]", () => {
+  expect(splitInteger(17, 4)).toEqual([4, 4, 4, 5]);
 });
 
-test('should add zeros if value < numberOfParts', () => {
+test("splitInteger(32, 6) should return [5, 5, 5, 5, 6, 6]", () => {
 
+  expect(splitInteger(32, 6)).toEqual([5, 5, 5, 5, 6, 6]);
 });