@egodigital/egoose/lib/test/compareValuesBy.js

Helper classes and functions for Node.js 10 or later.

"use strict";
/**
 * This file is part of the @egodigital/egoose distribution.
 * Copyright (c) e.GO Digital GmbH, Aachen, Germany (https://www.e-go-digital.com/)
 *
 * @egodigital/egoose is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, version 3.
 *
 * @egodigital/egoose 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
Object.defineProperty(exports, "__esModule", { value: true });
const assert = require("assert");
const mocha_1 = require("mocha");
const index_1 = require("../index");
mocha_1.describe('#compareValuesBy()', function () {
    mocha_1.describe('Object', function () {
        mocha_1.it('should return a sorted array (ascending)', function () {
            const ARR = [1, 2, 3, 0, 4].map(x => {
                return {
                    value: x,
                };
            });
            const RES = ARR.sort((x, y) => {
                return index_1.compareValuesBy(x, y, i => i.value);
            });
            for (let i = 0; i < ARR.length; i++) {
                const ITEM = RES[i];
                assert.ok('object' === typeof ITEM);
                assert.ok('number' === typeof ITEM.value);
                assert.equal(ITEM.value, i);
                assert.strictEqual(ITEM.value, i);
            }
        });
        mocha_1.it('should return a sorted array (descending)', function () {
            const ARR = [1, 2, 3, 0, 4].map(x => {
                return {
                    value: x,
                };
            });
            const RES = ARR.sort((x, y) => {
                return index_1.compareValuesBy(y, x, i => i.value);
            });
            for (let i = 0; i < ARR.length; i++) {
                const ITEM = RES[i];
                assert.ok('object' === typeof ITEM);
                assert.ok('number' === typeof ITEM.value);
                assert.equal(ITEM.value, ARR.length - i - 1);
                assert.strictEqual(ITEM.value, ARR.length - i - 1);
            }
        });
    });
});
//# sourceMappingURL=compareValuesBy.js.map