17 lines
387 B
JavaScript
17 lines
387 B
JavaScript
const expect = require('expect');
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const permutations = require('./permutations.js');
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test('permutations is a Function', () => {
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expect(permutations).toBeInstanceOf(Function);
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});
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test('Generates all permutations of an array', () => {
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expect(permutations([1, 33, 5])).toEqual([
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[1, 33, 5],
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[1, 5, 33],
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[33, 1, 5],
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[33, 5, 1],
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[5, 1, 33],
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[5, 33, 1]
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]);
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});
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