test/built-ins/Object/defineProperty/15.2.3.6-4-64.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: 15.2.3.6-4-64
description: >
    Object.defineProperty - desc.value = +0 and name.value = -0
    (8.12.9 step 6)
includes: [propertyHelper.js]
---*/


var obj = {};

Object.defineProperty(obj, "foo", { value: -0 });

try {
    Object.defineProperty(obj, "foo", { value: +0 });
    $ERROR("Expected an exception.");
} catch (e) {

    verifyEqualTo(obj, "foo", -0);

    verifyNotWritable(obj, "foo");

    verifyNotEnumerable(obj, "foo");

    verifyNotConfigurable(obj, "foo");

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

}