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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-typedarray
description: >
The new typedArray instance from a typedArray argument is extensible
info: |
22.2.4.3 TypedArray ( typedArray )
...
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: [TypedArray]
---*/
var typedArraySample1 = new Int8Array();
var typedArraySample2 = new Int8Array();
Object.preventExtensions(typedArraySample2);
testWithTypedArrayConstructors(function(TA) {
var sample1 = new TA(typedArraySample1);
assert(Object.isExtensible(sample1), "new instance is extensible");
var sample2 = new TA(typedArraySample2);
assert(
Object.isExtensible(sample2),
"new instance does not inherit extensibility from typedarray argument"
);
});
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