mirror of https://github.com/tc39/test262.git
34 lines
911 B
JavaScript
34 lines
911 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: 15.2.3.6-3-77
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description: >
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Object.defineProperty - 'configurable' property in 'Attributes' is
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own data property that overrides an inherited data property
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(8.10.5 step 4.a)
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---*/
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var obj = { };
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var proto = {
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configurable: false
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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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child.configurable = true;
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Object.defineProperty(obj, "property", child);
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var beforeDeleted = obj.hasOwnProperty("property");
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delete obj.property;
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var afterDeleted = obj.hasOwnProperty("property");
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assert.sameValue(beforeDeleted, true, 'beforeDeleted');
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assert.sameValue(afterDeleted, false, 'afterDeleted');
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