// Copyright JS Foundation and other contributors, http://js.foundation // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. var props = ['arguments', 'caller']; function f_simple () { } function f_strict () { "use strict"; } for (let prop of props) { try { Function.prototype[prop]; assert(false); } catch (e) { assert(e instanceof TypeError); } assert(f_simple[prop] === null); try { f_strict[prop]; assert(false); } catch (e) { assert(e instanceof TypeError); } let desc = Object.getOwnPropertyDescriptor(f_simple, prop); assert(desc.value === null); assert(desc.writable === false); assert(desc.enumerable === false); assert(desc.configurable === false); assert(Object.getOwnPropertyDescriptor(f_strict, prop) === undefined); }