14 lines
424 B
JavaScript
14 lines
424 B
JavaScript
|
// Copyright 2016 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.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax
|
||
|
|
|
||
|
|
var arr = [...[],,];
|
||
|
|
assertTrue(%HasFastHoleyElements(arr));
|
||
|
|
assertEquals(1, arr.length);
|
||
|
|
assertFalse(arr.hasOwnProperty(0));
|
||
|
|
assertEquals(undefined, arr[0]);
|
||
|
|
// Should not crash.
|
||
|
|
assertThrows(() => arr[0][0], TypeError);
|