// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally // Copyright (C) 2016 the V8 project authors. All rights reserved. // Copyright (C) 2017 Mozilla Corporation. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-dataview-buffer-byteoffset-bytelength description: > The new instance is extensible info: | 24.2.2.1 DataView (buffer, byteOffset, byteLength ) ... 12. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DataViewPrototype%", « [[DataView]], [[ViewedArrayBuffer]], [[ByteLength]], [[ByteOffset]] »). ... 17. Return O. 9.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) ... 3. Return ObjectCreate(proto, internalSlotsList). 9.1.12 ObjectCreate (proto [ , internalSlotsList ]) ... 5. Set the [[Extensible]] internal slot of obj to true. ... features: [SharedArrayBuffer] includes: [propertyHelper.js] ---*/ var buffer = new SharedArrayBuffer(8); var sample = new DataView(buffer, 0); assert(Object.isExtensible(sample)); Object.defineProperty(sample, 'baz', {}); assert(sample.hasOwnProperty('baz'), 'confirms extensibility adding a new property'); Object.defineProperty(sample, 'foo', { value: 'bar', writable: true, configurable: true, enumerable: false, }); verifyProperty(sample, 'foo', { value: 'bar', writable: true, configurable: true, enumerable: false, }); reportCompare(0, 0);