From fa53e1527311ea3a839768f586ed473e67982c17 Mon Sep 17 00:00:00 2001
From: Vyacheslav Kokayko <vkokayko@gmail.com>
Date: Wed, 28 Oct 2026 05:13:00 +0100
Subject: [PATCH] Solution

---
 src/splitInteger.test.js | 44 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 40 insertions(+), 4 deletions(-)

diff --git a/src/splitInteger.test.js b/src/splitInteger.test.js
index 24003dd5..de31b7b5 100644
--- a/src/splitInteger.test.js
+++ b/src/splitInteger.test.js
@@ -3,11 +3,47 @@
 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(6, 2)).toEqual([3, 3]);
+  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`, () => {});
+  when splitting into 1 part`, () => {
+  expect(splitInteger(8, 1)).toEqual([8]);
+  expect(splitInteger(32, 1)).toEqual([32]);
+  expect(splitInteger(1, 1)).toEqual([1]);
+});
 
-test('should sort parts ascending if they are not equal', () => {});
+test('should sort parts ascending if they are not equal', () => {
+  expect(splitInteger(17, 4)).toEqual([4, 4, 4, 5]);
+  expect(splitInteger(32, 6)).toEqual([5, 5, 5, 5, 6, 6]);
+  expect(splitInteger(11, 3)).toEqual([3, 4, 4]);
+});
 
-test('should add zeros if value < numberOfParts', () => {});
+test('should add zeros if value < numberOfParts', () => {
+  expect(splitInteger(2, 5)).toEqual([0, 0, 0, 1, 1]);
+  expect(splitInteger(3, 4)).toEqual([0, 1, 1, 1]);
+  expect(splitInteger(1, 3)).toEqual([0, 0, 1]);
+});
+
+test('should return exactly numberOfParts elements', () => {
+  expect(splitInteger(17, 4)).toHaveLength(4);
+  expect(splitInteger(2, 5)).toHaveLength(5);
+  expect(splitInteger(8, 1)).toHaveLength(1);
+});
+
+test('should return parts that sum up to the value', () => {
+  const sum = (arr) => arr.reduce((acc, item) => acc + item, 0);
+
+  expect(sum(splitInteger(17, 4))).toBe(17);
+  expect(sum(splitInteger(32, 6))).toBe(32);
+  expect(sum(splitInteger(2, 5))).toBe(2);
+});
+
+test('should return parts whose max and min differ by at most 1', () => {
+  const result = splitInteger(32, 6);
+
+  expect(Math.max(...result) - Math.min(...result)).toBeLessThanOrEqual(1);
+});