test262/test/built-ins/Object/seal/object-seal-extensible-of-o...

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// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
/*---
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esid: sec-object.seal
description: >
Object.seal - extensible of 'O' is set as false even if 'O' has no
own property
---*/
var obj = {};
var preCheck = Object.isExtensible(obj);
Object.seal(obj);
assert(preCheck, 'preCheck !== true');
assert.sameValue(Object.isExtensible(obj), false, 'Object.isExtensible(obj)');