diff --git a/src/splitInteger.test.js b/src/splitInteger.test.js
index 24003dd5..77c4d971 100644
--- a/src/splitInteger.test.js
+++ b/src/splitInteger.test.js
@@ -3,11 +3,24 @@
 const splitInteger = require('./splitInteger');
 
 test(`should split a number into equal parts
-  if a value is divisible by a numberOfParts`, () => {});
+  if a value is divisible by a numberOfParts`, () => {
+  expect(splitInteger(9, 3)).toEqual([3, 3, 3]);
+  expect(splitInteger(4, 2)).toEqual([2, 2]);
+  expect(splitInteger(10, 5)).toEqual([2, 2, 2, 2, 2]);
+});
 
 test(`should return a part equals to a value
-  when splitting into 1 part`, () => {});
+  when splitting into 1 part`, () => {
+  expect(splitInteger(9, 1)).toEqual([9]);
+});
 
-test('should sort parts ascending if they are not equal', () => {});
+test('should sort parts ascending if they are not equal', () => {
+  expect(splitInteger(9, 5)).toEqual([1, 2, 2, 2, 2]);
+  expect(splitInteger(4, 3)).toEqual([1, 1, 2]);
+  expect(splitInteger(10, 4)).toEqual([2, 2, 3, 3]);
+});
 
-test('should add zeros if value < numberOfParts', () => {});
+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]);
+});