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30 lines
872 B
JavaScript
30 lines
872 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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es5id: 15.2.3.8-2-2
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description: Object.seal - inherited data properties are ignored
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---*/
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var proto = {};
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Object.defineProperty(proto, "Father", {
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value: 10,
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configurable: true
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});
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var ConstructFun = function () { };
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ConstructFun.prototype = proto;
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var child = new ConstructFun();
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var preCheck = Object.isExtensible(child);
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Object.seal(child);
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var beforeDeleted = proto.hasOwnProperty("Father");
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delete proto.Father;
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var afterDeleted = proto.hasOwnProperty("Father");
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assert(preCheck, 'preCheck !== true');
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assert(beforeDeleted, 'beforeDeleted !== true');
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assert.sameValue(afterDeleted, false, 'afterDeleted');
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