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14 changes: 14 additions & 0 deletions src/splitInteger.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -4,18 +4,32 @@ const splitInteger = require('./splitInteger');

test(`should split a number into equal parts
if a value is divisible by a numberOfParts`, () => {
const result = splitInteger(6, 2);

expect(result).toEqual([3, 3]);
});

test(`should return a part equals to a value
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', () => {

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This test has the same description as the one on line 19. It's a good practice to give each test a unique and descriptive name. This helps in quickly identifying which scenario is failing.

For example, you could change this to something like: test('should correctly split 32 into 6 parts').

const result = splitInteger(32, 6);

expect(result).toEqual([5, 5, 5, 5, 6, 6]);
});

test('should add zeros if value < numberOfParts', () => {
const result = splitInteger(3, 5);

expect(result).toEqual([0, 0, 1, 1, 1]);
});