js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-84-1.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

// 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-84-1
description: >
    Object.defineProperties will not throw TypeError when
    P.configurable is false, P.writalbe is false, properties.value and
    P.value are two Objects refer to the same object which has been
    updated before use it to update the object (8.12.9 step 10.a.ii.1)
includes: [propertyHelper.js]
---*/


var obj = {};

var obj1 = {
  length: 10
};

Object.defineProperty(obj, "foo", {
  value: obj1,
  writable: false,
  configurable: false
});

var obj2 = obj1;
obj2.y = "hello";

Object.defineProperties(obj, {
  foo: {
    value: obj2
  }
});
verifyEqualTo(obj, "foo", obj1);

verifyNotWritable(obj, "foo");

verifyNotEnumerable(obj, "foo");

verifyNotConfigurable(obj, "foo");

reportCompare(0, 0);