diff --git a/src/splitInteger.test.js b/src/splitInteger.test.js
index 24003dd5..d58d4e43 100644
--- a/src/splitInteger.test.js
+++ b/src/splitInteger.test.js
@@ -3,11 +3,27 @@
 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`, () => {
+  const result = splitInteger(12, 3);
+
+  expect(result).toEqual([4, 4, 4]);
+});
 
 test(`should return a part equals to a value
-  when splitting into 1 part`, () => {});
+  when splitting into 1 part`, () => {
+  const result = splitInteger(8, 1);
+
+  expect(result).toEqual([8]);
+});
+
+test('should sort parts ascending if they are not equal', () => {
+  const result = splitInteger(17, 4);
+
+  expect(result).toEqual([4, 4, 4, 5]);
+});
 
-test('should sort parts ascending if they are not equal', () => {});
+test('should add zeros if value < numberOfParts', () => {
+  const result = splitInteger(1, 3);
 
-test('should add zeros if value < numberOfParts', () => {});
+  expect(result).toEqual([0, 0, 1]);
+});