1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import assert = require('assert'); 17 18let deck = { 19 suits: ["hearts", "spades", "clubs", "diamonds"], 20 createCardPicker: function () { 21 return () => { 22 let pickedCard = 42; 23 let pickedSuit = pickedCard / 14; 24 25 return {suit: this.suits[pickedSuit], card: pickedCard / 14}; 26 } 27 } 28} 29 30let cardPicker = deck.createCardPicker(); 31let pickedCard = cardPicker(); 32 33assert(pickedCard.card === 3, 'success'); 34 35assert(pickedCard.suit === 'diamonds', 'success'); 36