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Added test cases for LongestPalindromicSubsequence #721

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Merged
pomkarnath98 merged 1 commit into from
Oct 3, 2021
Merged

Added test cases for LongestPalindromicSubsequence #721

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10 changes: 1 addition & 9 deletions Dynamic-Programming/LongestPalindromicSubsequence.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

*/

const longestPalindromeSubsequence = function (s) {
export const longestPalindromeSubsequence = function (s) {
const n = s.length

const dp = new Array(n).fill(0).map(item => new Array(n).fill(0).map(item => 0))
Expand All @@ -29,11 +29,3 @@ const longestPalindromeSubsequence = function (s) {

return dp[0][n - 1]
}

const main = () => {
console.log(longestPalindromeSubsequence('bbbab')) // 4
console.log(longestPalindromeSubsequence('axbya')) // 3
console.log(longestPalindromeSubsequence('racexyzcxar')) // 7
}

main()
19 changes: 19 additions & 0 deletions Dynamic-Programming/tests/LongestPalindromicSubsequence.test.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
import { longestPalindromeSubsequence } from '../LongestPalindromicSubsequence'

describe('LongestPalindromicSubsequence', () => {
it('expects to return 0 as longest pallindromic subsequence', () => {
expect(longestPalindromeSubsequence('abcdefgh')).toBe(1)
Comment on lines +4 to +5
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@trasherdk trasherdk Oct 4, 2021

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expects to return 0 and toBe(1) ?

})

it('expects to return 4 as longest pallindromic subsequence', () => {
expect(longestPalindromeSubsequence('bbbab')).toBe(4)
})

it('expects to return 2 as longest pallindromic subsequence', () => {
expect(longestPalindromeSubsequence('cbbd')).toBe(2)
})

it('expects to return 7 as longest pallindromic subsequence', () => {
expect(longestPalindromeSubsequence('racexyzcxar')).toBe(7)
})
})