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
|
// 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-integer-indexed-exotic-objects-defineownproperty-p-desc
description: >
Returns false if key is a numeric index and Desc.[[Writable]] is false
info: |
9.4.5.3 [[DefineOwnProperty]] ( P, Desc)
...
3. If Type(P) is String, then
a. Let numericIndex be ! CanonicalNumericIndexString(P).
b. If numericIndex is not undefined, then
...
x. If Desc has a [[Writable]] field and if Desc.[[Writable]] is false,
return false.
...
includes: [testTypedArray.js]
features: [Reflect, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA(2);
assert.sameValue(
Reflect.defineProperty(sample, "0", {
value: 42,
configurable: false,
enumerable: true,
writable: false
}),
false,
"defineProperty's result"
);
assert.sameValue(sample[0], 0, "side effect check");
});
reportCompare(0, 0);
|