test/built-ins/Object/defineProperties/15.2.3.7-5-b-159.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.7-5-b-159
description: >
    Object.defineProperties - 'descObj' is the JSON object which
    implements its own [[Get]] method to get 'writable' property
    (8.10.5 step 6.a)
includes: [propertyHelper.js]
---*/

var obj = {};

try {
    JSON.writable = false;

    Object.defineProperties(obj, {
        property: JSON
    });

    assert(obj.hasOwnProperty("property"));
    verifyNotWritable(obj, "property");

} finally {
    delete JSON.writable;
}