/* * Copyright (C) 2022 StApps * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 3. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see . */ import {differenceBy} from '../src/index.js'; import {expect} from 'chai'; describe('differenceBy', function () { it('should return the difference of two arrays', function () { const a = [1, 2, 3, 4, 5]; const b = [1, 2, 3]; expect(differenceBy(a, b, it => it)).to.deep.equal([4, 5]); }); });