1// Copyright JS Foundation and other contributors, http://js.foundation 2// 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 15var object = { 16 prop1: Number, 17 prop2: String, 18 prop3: Boolean 19} 20 21Object.seal(object); 22 23check = delete object.prop1 || delete object.prop2 || delete object.prop3; 24 25object.prop4 = 3; 26 27check = check || Boolean(object.prop4); 28 29assert(!check); 30