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45f0b7cae6
* feat: Add check number case * style: Fix formatting * fix: Remove number check part * feat: Create isPalindromeIntegerNumber * test: Add minus number case
33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
import { isPalindromeIntegerNumber } from '../isPalindromeIntegerNumber'
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describe('isPalindromeIntegerNumber', () => {
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it('expects to return true when length of input is 1', () => {
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expect(isPalindromeIntegerNumber(6)).toEqual(true)
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})
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it('expects to return true when input is palindrome', () => {
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expect(isPalindromeIntegerNumber(121)).toEqual(true)
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expect(isPalindromeIntegerNumber(12321)).toEqual(true)
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expect(isPalindromeIntegerNumber(1221)).toEqual(true)
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})
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it('expects to return false when input is not palindrome', () => {
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expect(isPalindromeIntegerNumber(189)).toEqual(false)
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})
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it('expects to return false when input is minus', () => {
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expect(isPalindromeIntegerNumber(-121)).toEqual(false)
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expect(isPalindromeIntegerNumber(-12321)).toEqual(false)
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})
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it('expects to return false when input is not integer number', () => {
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expect(isPalindromeIntegerNumber(123.456)).toEqual(false)
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})
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it('expects to throw error when input is not a number', () => {
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expect(() => isPalindromeIntegerNumber(undefined)).toThrowError()
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expect(() => isPalindromeIntegerNumber({ key: 'val' })).toThrowError()
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expect(() => isPalindromeIntegerNumber([])).toThrowError()
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})
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})
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