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Renamed NQueen algorithm files, variables to NQueens #1162

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Merged
merged 2 commits into from
Oct 13, 2022
Merged

Renamed NQueen algorithm files, variables to NQueens #1162

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e6f60d0
Renamed NQueen file, variables to NQueens, raised RangeError exception
SudhanshuSuman Oct 10, 2022
0a71342
Merge branch 'TheAlgorithms:master' into master
SudhanshuSuman Oct 13, 2022
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7 changes: 5 additions & 2 deletions Backtracking/NQueen.js → Backtracking/NQueens.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
class NQueen {
class NQueens {
constructor (size) {
if (size < 0) {
throw RangeError('Invalid board size')
}
this.board = new Array(size).fill('.').map(() => new Array(size).fill('.'))
this.size = size
this.solutionCount = 0
Expand Down Expand Up @@ -61,4 +64,4 @@ class NQueen {
}
}

export { NQueen }
export { NQueens }
15 changes: 0 additions & 15 deletions Backtracking/tests/NQueen.test.js
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19 changes: 19 additions & 0 deletions Backtracking/tests/NQueens.test.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
import { NQueens } from '../NQueens'

describe('NQueens', () => {
it('should return 2 solutions for 4x4 size board', () => {
const _4Queens = new NQueens(4)
_4Queens.solve()
expect(_4Queens.solutionCount).toEqual(2)
})

it('should return 92 solutions for 8x8 size board', () => {
const _8Queens = new NQueens(8)
_8Queens.solve()
expect(_8Queens.solutionCount).toEqual(92)
})

it('should throw RangeError for negative size board', () => {
expect(() => { return new NQueens(-1) }).toThrow(RangeError)
})
})