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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: >
Throws a RangeError if the requested Data Block is too large.
info: |
SharedArrayBuffer ( length [ , options ] )
...
4. Return ? AllocateSharedArrayBuffer(NewTarget, byteLength, requestedMaxByteLength).
AllocateSharedArrayBuffer ( constructor, byteLength [ , maxByteLength ] )
...
7. Let block be ? CreateSharedByteDataBlock(allocLength).
...
CreateSharedByteDataBlock ( size )
1. Let db be a new Shared Data Block value consisting of size bytes. If it is
impossible to create such a Shared Data Block, throw a RangeError exception.
features: [SharedArrayBuffer, resizable-arraybuffer]
---*/
assert.throws(RangeError, function() {
// Allocating 7 PiB should fail with a RangeError.
// Math.pow(1024, 5) = 1125899906842624
new SharedArrayBuffer(0, {maxByteLength: 7 * 1125899906842624});
}, "`maxByteLength` option is 7 PiB");
assert.throws(RangeError, function() {
// Allocating almost 8 PiB should fail with a RangeError.
// Math.pow(2, 53) = 9007199254740992
new SharedArrayBuffer(0, {maxByteLength: 9007199254740992 - 1});
}, "`maxByteLength` option is Math.pow(2, 53) - 1");
reportCompare(0, 0);
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