13 lines
519 B
JavaScript
13 lines
519 B
JavaScript
const expect = require('expect');
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const uniqueSymmetricDifference = require('./uniqueSymmetricDifference.js');
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test('uniqueSymmetricDifference is a Function', () => {
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expect(uniqueSymmetricDifference).toBeInstanceOf(Function);
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});
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test('Returns the symmetric difference between two arrays.', () => {
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expect(uniqueSymmetricDifference([1, 2, 3], [1, 2, 4])).toEqual([3, 4]);
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});
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test('Does not return duplicates from one array', () => {
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expect(uniqueSymmetricDifference([1, 2, 2], [1, 3, 1])).toEqual([2, 3]);
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});
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