JSTests/test262/test/built-ins/Object/defineProperty/8.12.9-9-c-i_2.js

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

/*---
es5id: 8.12.9-9-c-i_2
description: >
    Redefine a configurable accessor property to be a data property on
    a non-extensible object
---*/

    var o = {};
    Object.defineProperty(o, "foo", 
                          { get: function() { return 5;}, 
                            configurable: true});
    Object.preventExtensions(o);
    Object.defineProperty(o, "foo", 
                          { value: "hello",
                            writable: true});

    var fooDescrip = Object.getOwnPropertyDescriptor(o, "foo");

assert.sameValue(o.foo, "hello", 'o.foo');
assert.sameValue(fooDescrip.get, undefined, 'fooDescrip.get');
assert.sameValue(fooDescrip.set, undefined, 'fooDescrip.set');
assert.sameValue(fooDescrip.value, "hello", 'fooDescrip.value');
assert.sameValue(fooDescrip.configurable, true, 'fooDescrip.configurable');
assert.sameValue(fooDescrip.enumerable, false, 'fooDescrip.enumerable');
assert.sameValue(fooDescrip.writable, true, 'fooDescrip.writable');