| 'use strict';var intersection = require('../../../src/functions/intersection');test('it should find intersection between two array', function() { var actual = intersection([2, 1], [2]); expect(actual).toStrictEqual([2]);});test('it should keep the order of the first array', function() { expect(intersection([0, 1, 2, 3, 4], [4, 0, 3])).toStrictEqual([0, 3, 4]);});test('it should not produce duplicate primitive values', function() { expect(intersection([0, 0, 1, 2], [0, 2])).toStrictEqual([0, 2]); expect(intersection(['0', '0', '1', '2'], ['0', '2'])).toStrictEqual([ '0', '2' ]);}); |