mirror of https://github.com/tc39/test262.git
44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
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: 15.2.3.6-4-446
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description: >
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ES5 Attributes - success to update [[Enumerable]] attribute of
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accessor property ([[Get]] is undefined, [[Set]] is undefined,
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[[Enumerable]] is false, [[Configurable]] is true) to different
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value
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---*/
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var obj = {};
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Object.defineProperty(obj, "prop", {
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get: undefined,
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set: undefined,
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enumerable: false,
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configurable: true
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});
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var result1 = false;
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var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
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for (var p1 in obj) {
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if (p1 === "prop") {
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result1 = true;
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}
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}
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Object.defineProperty(obj, "prop", {
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enumerable: true
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});
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var result2 = false;
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var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
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for (var p2 in obj) {
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if (p2 === "prop") {
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result2 = true;
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}
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}
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assert.sameValue(result1, false, 'result1');
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assert(result2, 'result2 !== true');
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assert.sameValue(desc1.enumerable, false, 'desc1.enumerable');
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assert.sameValue(desc2.enumerable, true, 'desc2.enumerable');
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