// |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-get-arraybuffer.prototype.resizable description: Throws a TypeError exception when `this` is a SharedArrayBuffer info: | get ArrayBuffer.prototype.resizable 1. Let O be the this value. 2. Perform ? RequireInternalSlot(O, [[ArrayBufferData]]). 3. If IsSharedArrayBuffer(O) is true, throw a TypeError exception. [...] features: [SharedArrayBuffer, resizable-arraybuffer] ---*/ var resizable = Object.getOwnPropertyDescriptor( ArrayBuffer.prototype, "resizable" ); var getter = resizable.get; var sab = new SharedArrayBuffer(4); assert.sameValue(typeof getter, "function"); assert.throws(TypeError, function() { getter.call(sab); }, "`this` cannot be a SharedArrayBuffer"); Object.defineProperties(sab, { resizable: resizable }); assert.throws(TypeError, function() { sab.resizable; }, "`this` cannot be a SharedArrayBuffer"); reportCompare(0, 0);