// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // ES6 specifically says that elements should be checked with [[HasElement]] before // [[Get]]. This is observable in case a getter deletes elements. ES5 put the // [[HasElement]] after the [[Get]]. assertTrue(1 in Array.prototype.reverse.call( {length:2, get 0(){delete this[0];}, 1: "b"}))