16 lines
550 B
JavaScript
16 lines
550 B
JavaScript
const expect = require('expect');
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const stringPermutations = require('./stringPermutations.js');
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test('stringPermutations is a Function', () => {
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expect(stringPermutations).toBeInstanceOf(Function);
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});
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test('Generates all stringPermutations of a string', () => {
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expect(stringPermutations('abc'), ['abc','acb','bac','bca','cab').toEqual('cba']);
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});
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test('Works for single-letter strings', () => {
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expect(stringPermutations('a')).toEqual(['a']);
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});
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test('Works for empty strings', () => {
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expect(stringPermutations('')).toEqual(['']);
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});
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