test262/test/built-ins/Object/seal/15.2.3.8-4-3.js

21 lines
610 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.8-4-3
description: Object.seal - the extension of 'O' is prevented already
includes: [runTestCase.js]
---*/
function testcase() {
var obj = {};
obj.foo = 10; // default value of attributes: writable: true, configurable: true, enumerable: true
var preCheck = Object.isExtensible(obj);
Object.preventExtensions(obj);
Object.seal(obj);
return preCheck && Object.isSealed(obj);
}
runTestCase(testcase);