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KMPPatternSearching.test.js

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import { KMPSearch } from '../KMPPatternSearching'

describe('KMP Matcher', () => {

it('TC1: expects to return matching indices for pattern in text', () => {

const text = 'ABC ABCDAB ABCDABCDABDE'

const pattern = 'ABCDABD'

expect(KMPSearch(text, pattern)).toStrictEqual([15])

})

it('TC2: expects to return matching indices for pattern in text', () => {

const text = 'ABC ABCDABD ABCDABCDABDE'

const pattern = 'ABCDABD'

expect(KMPSearch(text, pattern)).toStrictEqual([4, 16])

})

it('TC3: expects to return matching indices for pattern in text', () => {

const text = 'AAAAA'

const pattern = 'AAA'

expect(KMPSearch(text, pattern)).toStrictEqual([0, 1, 2])

})

it('TC4: expects to return matching indices for pattern in text', () => {

const text = 'ABCD'

const pattern = 'BA'

expect(KMPSearch(text, pattern)).toStrictEqual([])

})

})