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 object1 = { 16 field1: 5, 17 field2: "qwe", 18 field3: true 19} 20 21var object2 = { 22 field1: 5, 23 field2: "qwe", 24 field3: true 25} 26 27Object.freeze(object1); 28 29assert(Object.isFrozen(object1) && !Object.isFrozen(object2)); 30