Files
30-seconds-of-code/test/intersectionBy/intersectionBy.test.js
2018-06-18 15:54:48 +03:00

13 lines
418 B
JavaScript

const expect = require('expect');
const intersectionBy = require('./intersectionBy.js');
test('intersectionBy is a Function', () => {
expect(intersectionBy).toBeInstanceOf(Function);
});
test('Returns a list of elements that exist in both arrays, after applying the provided function to each array element of both', () => {
expect(intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor), [2.1]).toEqual()
});