test/built-ins/Object/defineProperty/15.2.3.6-4-88.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: 15.2.3.6-4-88
description: >
    Object.defineProperty will not throw TypeError when
    name.configurable = false, name.writable = false, desc.value and
    name.value are two numbers with the same value (8.12.9 step
    10.a.ii.1)
includes: [propertyHelper.js]
---*/


var obj = {};

Object.defineProperty(obj, "foo", {
  value: 100,
  writable: false,
  configurable: false
});

Object.defineProperty(obj, "foo", {
  value: 100
});
verifyEqualTo(obj, "foo", 100);

verifyNotWritable(obj, "foo");

verifyNotEnumerable(obj, "foo");

verifyNotConfigurable(obj, "foo");