13 lines
496 B
JavaScript
13 lines
496 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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t.deepEqual(stringPermutations('abc'), ['abc','acb','bac','bca','cab','cba'], "Generates all stringPermutations of a string");
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t.deepEqual(stringPermutations('a'), ['a'], "Works for single-letter strings");
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t.deepEqual(stringPermutations(''), [''], "Works for empty strings");
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