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
|
// Copyright (C) 2016 the V8 project authors. 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 TypeError if buffer does not have [[ArrayBufferData]]
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
2. If Type(buffer) is not Object, throw a TypeError exception.
3. If buffer does not have an [[ArrayBufferData]] internal slot, throw a
TypeError exception.
...
features: [Int8Array]
---*/
var obj = {
valueOf: function() {
throw new Test262Error("buffer should be verified before byteOffset");
}
};
assert.throws(TypeError, function() {
new DataView({}, obj);
}, "{}");
assert.throws(TypeError, function() {
new DataView([], obj);
}, "[]");
var ta = new Int8Array();
assert.throws(TypeError, function() {
new DataView(ta, obj);
}, "typedArray instance");
var other = new DataView(new ArrayBuffer(1), 0);
assert.throws(TypeError, function() {
new DataView(other, obj);
}, "dataView instance");
reportCompare(0, 0);
|