test262/test/built-ins/Object/seal/object-seal-o-is-a-boolean-...

15 lines
440 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-setintegritylevel
description: Object.seal - 'O' is a Boolean object
---*/
var boolObj = new Boolean(false);
var preCheck = Object.isExtensible(boolObj);
Object.seal(boolObj);
assert(preCheck, 'preCheck !== true');
assert(Object.isSealed(boolObj), 'Object.isSealed(boolObj) !== true');