js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/byteLength/this-is-arraybuffer.js


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// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-get-sharedarraybuffer.prototype.bytelength
description: Throws a TypeError exception when `this` is an ArrayBuffer
features: [SharedArrayBuffer]
---*/

var getter = Object.getOwnPropertyDescriptor(
  SharedArrayBuffer.prototype, "byteLength"
).get;

assert.throws(TypeError, function() {
  var ab = new ArrayBuffer(4);
  getter.call(ab);
}, "`this` cannot be an ArrayBuffer");

reportCompare(0, 0);