1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// Copyright (C) 2016 the V8 project authors. 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-dataview-buffer-byteoffset-bytelength
description: >
Throws a RangeError if ToInteger(byteLength) < 0
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
8. If byteLength is either not present or undefined, then
a. Let viewByteLength be bufferByteLength - offset.
9. Else,
a. Let viewByteLength be ? ToIndex(byteLength).
...
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]
---*/
var buffer = new SharedArrayBuffer(2);
assert.throws(RangeError, function() {
new DataView(buffer, 0, -1);
}, "new DataView(buffer, 0, -1);");
assert.throws(RangeError, function() {
new DataView(buffer, 0, -Infinity);
}, "new DataView(buffer, 0, -Infinity);");
assert.throws(RangeError, function() {
new DataView(buffer, 1, -1);
}, "new DataView(buffer, 1, -1);");
assert.throws(RangeError, function() {
new DataView(buffer, 2, -Infinity);
}, "new DataView(buffer, 2, -Infinity);");
|
