Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "WeakRef" was not declared in function "global"
non-Strict mode Failing
Expected no error, got ReferenceError: Property 'WeakRef' doesn't exist
Features:
- WeakRef
Expected no error, got SyntaxError: warning: the variable "WeakRef" was not declared in function "global"
Expected no error, got ReferenceError: Property 'WeakRef' doesn't exist
// Copyright (C) 2019 Leo Balter. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-weak-ref.prototype.deref description: WeakRef.prototype.deref.name property descriptor info: | WeakRef.prototype.deref.name value and property descriptor 17 ECMAScript Standard Built-in Objects Every built-in function object, including constructors, that is not identified as an anonymous function has a name property whose value is a String. Unless otherwise specified, this value is the name that is given to the function in this specification. For functions that are specified as properties of objects, the name value is the property name string used to access the function. [...] Unless otherwise specified, the name property of a built-in function object, if it exists, has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }. includes: [propertyHelper.js] features: [WeakRef] ---*/ verifyProperty(WeakRef.prototype.deref, 'name', { value: 'deref', writable: false, enumerable: false, configurable: true });