Files
openstapps/packages/collection-utils/test/difference.spec.ts
2023-05-31 14:04:05 +02:00

26 lines
942 B
TypeScript

/*
* 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 <https://www.gnu.org/licenses/>.
*/
import {differenceBy} from '../src/difference.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]);
});
});