test/built-ins/Object/defineProperties/15.2.3.7-6-a-299.js


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
54

// 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-299
description: >
    Object.defineProperties - 'O' is an Arguments object, 'P' is an
    array index named accessor property of 'O' but not defined in
    [[ParameterMap]] of 'O', test TypeError is thrown when updating
    the [[Set]] attribute value of 'P' which is not configurable (10.6
    [[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/


var arg;

(function fun() {
  arg = arguments;
}());

function get_func() {
  return 0;
}

Object.defineProperty(arg, "0", {
  get: get_func,
  set: undefined,
  enumerable: false,
  configurable: false
});

function set_func(value) {
  arg.setVerifyHelpProp = value;
}
try {
  Object.defineProperties(arg, {
    "0": {
      set: set_func
    }
  });
  $ERROR("Expected an exception.");
} catch (e) {
  verifyEqualTo(arg, "0", get_func());

  verifyNotEnumerable(arg, "0");

  verifyNotConfigurable(arg, "0");

  if (!(e instanceof TypeError)) {
    $ERROR("Expected TypeError, got " + e);
  }

}