10 lines
432 B
JavaScript
10 lines
432 B
JavaScript
const expect = require('expect');
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const {symmetricDifferenceBy} = require('./_30s.js');
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test('symmetricDifferenceBy is a Function', () => {
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expect(symmetricDifferenceBy).toBeInstanceOf(Function);
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});
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test('Returns the symmetric difference between two arrays, after applying the provided function to each array element of both', () => {
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expect(symmetricDifferenceBy([2.1, 1.2], [2.3, 3.4], Math.floor)).toEqual([1.2, 3.4]);
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});
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