| // 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 |
| es6id: 24.2.2.1 |
| description: Default [[Prototype]] value derived from realm of the newTarget |
| info: | |
| [...] |
| 12. Let O be ? OrdinaryCreateFromConstructor(NewTarget, |
| "%DataViewPrototype%", « [[DataView]], [[ViewedArrayBuffer]], |
| [[ByteLength]], [[ByteOffset]] »). |
| [...] |
| |
| 9.1.14 GetPrototypeFromConstructor |
| |
| [...] |
| 3. Let proto be ? Get(constructor, "prototype"). |
| 4. If Type(proto) is not Object, then |
| a. Let realm be ? GetFunctionRealm(constructor). |
| b. Let proto be realm's intrinsic object named intrinsicDefaultProto. |
| [...] |
| features: [cross-realm, Reflect, SharedArrayBuffer] |
| ---*/ |
| |
| var other = $262.createRealm().global; |
| var C = new other.Function(); |
| C.prototype = null; |
| var buffer = new SharedArrayBuffer(0); |
| |
| var o = Reflect.construct(DataView, [buffer, 0], C); |
| |
| assert.sameValue(Object.getPrototypeOf(o), other.DataView.prototype); |