// Copyright 2018 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. | |
/* Test behaviors when the prototype has elements */ | |
// map | |
(function () { | |
var array = [,]; | |
function map() { | |
return array.map(x => x + 1); | |
} | |
assertEquals(map(), [,]); | |
array.__proto__.push(5); | |
var narr = map(); | |
assertNotEquals(Object.getOwnPropertyDescriptor(narr, 0), undefined); | |
assertEquals(narr[0], 6); | |
})(); |