From 8dd16259287f58f9273002717ec4d27e97127719 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 07:43:14 +0200 Subject: Merging upstream version 127.0. Signed-off-by: Daniel Baumann --- .../options-maxbytelength-allocation-limit.js | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/tests/test262/built-ins/SharedArrayBuffer/options-maxbytelength-allocation-limit.js (limited to 'js/src/tests/test262/built-ins/SharedArrayBuffer/options-maxbytelength-allocation-limit.js') diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/options-maxbytelength-allocation-limit.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/options-maxbytelength-allocation-limit.js new file mode 100644 index 0000000000..4462981d9e --- /dev/null +++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/options-maxbytelength-allocation-limit.js @@ -0,0 +1,41 @@ +// |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); -- cgit v1.2.3