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// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- SharedArrayBuffer,resizable-arraybuffer is not enabled unconditionally, requires shell-options
// Copyright (C) 2024 André Bargull. 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 [ , options ] )
...
4. Return ? AllocateSharedArrayBuffer(NewTarget, byteLength, requestedMaxByteLength).
AllocateSharedArrayBuffer( constructor, byteLength )
...
5. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%SharedArrayBuffer.prototype%", slots).
...
7. Let block be ? CreateSharedByteDataBlock(allocLength).
...
features: [SharedArrayBuffer, resizable-arraybuffer, Reflect.construct]
---*/
function DummyError() {}
let newTarget = Object.defineProperty(function(){}.bind(null), "prototype", {
get() {
throw new DummyError();
}
});
assert.throws(DummyError, function() {
let byteLength = 0;
let options = {
maxByteLength: 7 * 1125899906842624
};
// Allocating 7 PiB should fail with a RangeError.
// Math.pow(1024, 5) = 1125899906842624
Reflect.construct(SharedArrayBuffer, [], newTarget);
});
reportCompare(0, 0);