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
47
48
49
50
51
52
53
|
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.7-6-a-288
description: >
Object.defineProperties - 'O' is an Arguments object, 'P' is own
accessor property of 'O' which is also defined in [[ParameterMap]]
of 'O', test TypeError is thrown when updating the [[Enumerable]]
attribute value of 'P' which is defined as non-configurable (10.6
[[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/
var arg;
(function fun(a, b, c) {
arg = arguments;
}(0, 1, 2));
function get_func() {
return 0;
}
Object.defineProperty(arg, "0", {
get: get_func,
enumerable: true,
configurable: false
});
try {
Object.defineProperties(arg, {
"0": {
enumerable: false
}
});
throw new Test262Error("Expected an exception.");
} catch (e) {
verifyEqualTo(arg, "0", get_func());
if (!(e instanceof TypeError)) {
throw new Test262Error("Expected TypeError, got " + e);
}
}
verifyProperty(arg, "0", {
enumerable: true,
configurable: false,
});
reportCompare(0, 0);
|
