// 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-typedarray-buffer-byteoffset-length
description: >
  The new typedArray instance from a buffer argument is extensible
info: |
  22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] )

  ...
  4. Let O be ? AllocateTypedArray(constructorName, NewTarget,
  "%TypedArrayPrototype%").
  ...

  22.2.4.2.1 Runtime Semantics: AllocateTypedArray (constructorName, newTarget,
  defaultProto [ , length ])

  ...
  2. Let obj be IntegerIndexedObjectCreate(proto, « [[ViewedArrayBuffer]],
  [[TypedArrayName]], [[ByteLength]], [[ByteOffset]], [[ArrayLength]] »).
  ...

  9.4.5.7 IntegerIndexedObjectCreate (prototype, internalSlotsList)

  ...
  11. Set the [[Extensible]] internal slot of A to true.
  ...
includes: [testTypedArray.js]
features: [SharedArrayBuffer, TypedArray]
---*/

testWithTypedArrayConstructors(function(TA) {
  var buffer = new SharedArrayBuffer(8);
  var sample = new TA(buffer);

  assert(Object.isExtensible(sample));
});