v8/test/mjsunit/regress/regress-4964.js
littledan 3d66e5d1d7 Add checks for detached ArrayBuffers to ArrayBuffer.prototype.slice
These checks ensure that a TypeError is thrown, per spec, rather than
a runtime assert failure.

BUG=v8:4964
R=adamk
LOG=Y

Review-Url: https://codereview.chromium.org/1929123002
Cr-Commit-Position: refs/heads/master@{#35885}
2016-04-28 22:50:56 +00:00

23 lines
653 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
// Neutered source
var ab = new ArrayBuffer(10);
ab.constructor = { get [Symbol.species]() { %ArrayBufferNeuter(ab); return ArrayBuffer; } };
assertThrows(() => ab.slice(0), TypeError);
// Neutered target
class NeuteredArrayBuffer extends ArrayBuffer {
constructor(...args) {
super(...args);
%ArrayBufferNeuter(this);
}
}
var ab2 = new ArrayBuffer(10);
ab2.constructor = NeuteredArrayBuffer;
assertThrows(() => ab2.slice(0), TypeError);