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* [feat] New algorithm * [test] Add new test for ParityOutlier.js * [fix] Reset indentation * [fix] Reset indentation * [fix] Style changes * fix: improve code efficiency and a glitch * test: adds a new possible test case * fix: style fix * fix: delete redundant comments and else statements * [fix] style fix
31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
import { parityOutlier } from '../ParityOutlier'
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describe('Testing parityOutlier function', () => {
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it('should return the odd number in an array of even numbers', () => {
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expect(parityOutlier([1, 2, 16, -8848, 5126])).toBe(1)
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})
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it('should return the even number in an array of odd numbers', () => {
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expect(parityOutlier([177, 5, 76, 1919])).toBe(76)
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})
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it('should, if the given array has only one integer element, return the integer itself', () => {
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expect(parityOutlier([83])).toBe(83)
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expect(parityOutlier([54])).toBe(54)
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})
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it('should, if the given array has only an odd and an even number, return the odd outlier', () => {
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expect(parityOutlier([1, 2])).toBe(1)
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expect(parityOutlier([4, 3])).toBe(3)
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})
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it('should return null if the given array is empty, contains only one integer, contains non-interger elements or does not have a parity outlier', () => {
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expect(parityOutlier([])).toBe(null)
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expect(parityOutlier([2])).toBe(null)
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expect(parityOutlier([2, {}, 5, 'GitHub'])).toBe(null)
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expect(parityOutlier([1, 3, 5, 7, 9])).toBe(null)
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expect(parityOutlier([0, 2, 4, 6, 8])).toBe(null)
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expect(parityOutlier([1, 3, 5, 7, 2, 4, 6, 8])).toBe(null)
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})
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})
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