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 a = new Proxy({length:2}, {}); 16a.__proto__ = a; 17 18try { 19 a[1]; 20 assert (false); 21} catch (e) { 22 assert (e instanceof RangeError); 23} 24 25try { 26 a[1] = 2; 27 assert (false); 28} catch (e) { 29 assert (e instanceof RangeError); 30} 31 32try { 33 Array.prototype.forEach.call(a, ()=>{}); 34 assert (false); 35} catch (e) { 36 assert (e instanceof RangeError); 37} 38