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23 lines
494 B
JavaScript
23 lines
494 B
JavaScript
// 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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/*---
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esid: sec-setintegritylevel
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description: >
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Object.seal - 'P' is own property of a String object which
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implements its own [[GetOwnProperty]]
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includes: [propertyHelper.js]
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---*/
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var obj = new String("abc");
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obj.foo = 10;
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assert(Object.isExtensible(obj));
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Object.seal(obj);
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verifyProperty(obj, "foo", {
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value: 10,
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configurable: false,
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});
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