1425bb815Sopenharmony_ci/* Copyright JS Foundation and other contributors, http://js.foundation 2425bb815Sopenharmony_ci * 3425bb815Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4425bb815Sopenharmony_ci * you may not use this file except in compliance with the License. 5425bb815Sopenharmony_ci * You may obtain a copy of the License at 6425bb815Sopenharmony_ci * 7425bb815Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8425bb815Sopenharmony_ci * 9425bb815Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10425bb815Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS 11425bb815Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12425bb815Sopenharmony_ci * See the License for the specific language governing permissions and 13425bb815Sopenharmony_ci * limitations under the License. 14425bb815Sopenharmony_ci */ 15425bb815Sopenharmony_ci 16425bb815Sopenharmony_ci class A extends Array { 17425bb815Sopenharmony_ci constructor (a, b, c) { 18425bb815Sopenharmony_ci super (a, b); 19425bb815Sopenharmony_ci this.f = 5; 20425bb815Sopenharmony_ci } 21425bb815Sopenharmony_ci } 22425bb815Sopenharmony_ci 23425bb815Sopenharmony_ci class B extends A { 24425bb815Sopenharmony_ci constructor (a, b, c) { 25425bb815Sopenharmony_ci super (a, b); 26425bb815Sopenharmony_ci this.g = super.f; 27425bb815Sopenharmony_ci this.h = this.f; 28425bb815Sopenharmony_ci } 29425bb815Sopenharmony_ci } 30425bb815Sopenharmony_ci 31425bb815Sopenharmony_ci var b = new B (1, 2, 3, 4); 32425bb815Sopenharmony_ci assert (b.g === undefined); 33425bb815Sopenharmony_ci assert (b.h === 5); 34425bb815Sopenharmony_ci assert (b.length === 2); 35