Source code
Revision control
Copy as Markdown
Other Tools
// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
// Copyright (C) 2015 André Bargull. 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-sharedarraybuffer-length
description: >
The new SharedArrayBuffer instance is created prior to allocating the Data Block.
info: |
SharedArrayBuffer( length )
...
3. Return AllocateSharedArrayBuffer(NewTarget, byteLength).
AllocateSharedArrayBuffer( constructor, byteLength )
1. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%SharedArrayBufferPrototype%",
«[[ArrayBufferData]], [[ArrayBufferByteLength]]» ).
...
3. Let block be ? CreateByteDataBlock(byteLength).
...
features: [SharedArrayBuffer, Reflect.construct]
---*/
function DummyError() {}
var newTarget = function() {}.bind(null);
Object.defineProperty(newTarget, "prototype", {
get: function() {
throw new DummyError();
}
});
assert.throws(DummyError, function() {
// Allocating 7 PiB should fail with a RangeError.
// Math.pow(1024, 5) = 1125899906842624
Reflect.construct(SharedArrayBuffer, [7 * 1125899906842624], newTarget);
});
reportCompare(0, 0);