js/src/tests/test262/built-ins/ArrayBuffer/prototype/resize/this-is-sharedarraybuffer.js


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// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- SharedArrayBuffer,resizable-arraybuffer is not enabled unconditionally, requires shell-options
// Copyright (C) 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-arraybuffer.prototype.resize
description: Throws a TypeError if `this` value is a SharedArrayBuffer
info: |
  ArrayBuffer.prototype.resize ( newLength )

  1. Let O be the this value.
  2. Perform ? RequireInternalSlot(O, [[ArrayBufferMaxByteLength]]).
  3. If IsSharedArrayBuffer(O) is true, throw a TypeError exception.
  [...]
features: [SharedArrayBuffer, resizable-arraybuffer]
---*/

var sab = new SharedArrayBuffer(0);

assert.throws(TypeError, function() {
  ArrayBuffer.prototype.resize.call(sab);
}, '`this` value cannot be a SharedArrayBuffer');

reportCompare(0, 0);