test262/test/built-ins/SharedArrayBuffer/length-is-too-large-throws.js

34 lines
955 B
JavaScript

// 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: >
Throws a RangeError if length >= 2 ** 53
info: |
SharedArrayBuffer( length )
1. If NewTarget is undefined, throw a TypeError exception.
2. Let byteLength be ? ToIndex(length).
ToIndex( value )
1. If value is undefined, then
a. Let index be 0.
2. Else,
a. Let integerIndex be ? ToInteger(value).
b. If integerIndex < 0, throw a RangeError exception.
...
features: [SharedArrayBuffer]
---*/
assert.throws(RangeError, function() {
// Math.pow(2, 53) = 9007199254740992
new SharedArrayBuffer(9007199254740992);
}, "`length` parameter is too large");
assert.throws(RangeError, function() {
new SharedArrayBuffer(Infinity);
}, "`length` parameter is positive Infinity");