// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.keys description: > Creates an iterator from a custom object. info: | 22.1.3.13 Array.prototype.keys ( ) 1. Let O be ToObject(this value). 2. ReturnIfAbrupt(O). 3. Return CreateArrayIterator(O, "key"). features: [Symbol.iterator] ---*/ var obj = { length: 2 }; var iter = Array.prototype.keys.call(obj); var ArrayIteratorProto = Object.getPrototypeOf([][Symbol.iterator]()); assert.sameValue( Object.getPrototypeOf(iter), ArrayIteratorProto, 'The prototype of [].keys() is %ArrayIteratorPrototype%' ); reportCompare(0, 0);