13 lines
478 B
JavaScript
13 lines
478 B
JavaScript
const expect = require('expect');
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const symmetricDifference = require('./symmetricDifference.js');
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test('symmetricDifference is a Function', () => {
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expect(symmetricDifference).toBeInstanceOf(Function);
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});
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test('Returns the symmetric difference between two arrays.', () => {
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expect(symmetricDifference([1, 2, 3], [1, 2, 4])).toEqual([3, 4]);
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});
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test('Returns duplicates from one array', () => {
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expect(symmetricDifference([1, 2, 2], [1, 3, 1])).toEqual([2, 2, 3]);
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});
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