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) 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-286
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 [[Get]]
attribute value of 'P' which is defined as non-configurable (10.6
[[DefineOwnProperty]] step 4)
---*/
var arg;
(function fun(a, b, c) {
arg = arguments;
}(0, 1, 2));
function get_func1() {
return 0;
}
Object.defineProperty(arg, "0", {
get: get_func1,
enumerable: false,
configurable: false
});
function get_func2() {
return 10;
}
assert.throws(TypeError, function() {
Object.defineProperties(arg, {
"0": {
get: get_func2
}
});
});
var desc = Object.getOwnPropertyDescriptor(arg, "0");
assert.sameValue(desc.get, get_func1, 'desc.get');
assert.sameValue(typeof desc.set, "undefined", 'typeof desc.set');
assert.sameValue(desc.enumerable, false, 'desc.enumerable');
assert.sameValue(desc.configurable, false, 'desc.configurable');
reportCompare(0, 0);
|
