mirror of https://github.com/tc39/test262.git
44 lines
1.2 KiB
JavaScript
44 lines
1.2 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: 15.2.3.6-4-256
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description: >
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Object.defineProperty - 'O' is an Array, 'name' is an array index
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named property, 'name' is accessor property and 'desc' is accessor
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descriptor, and the [[Configurable]] attribute value of 'name' is
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false, test TypeError is thrown if the [[Get]] field of 'desc' is
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present, and the [[Get]] field of 'desc' is an object and the
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[[Get]] attribute value of 'name' is undefined (15.4.5.1 step 4.c)
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includes: [propertyHelper.js]
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---*/
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var arrObj = [];
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function getFunc() {
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return 12;
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}
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Object.defineProperty(arrObj, "1", {
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get: getFunc
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});
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try {
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Object.defineProperty(arrObj, "1", {
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get: undefined
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});
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$ERROR("Expected TypeError");
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} catch (e) {
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assert(e instanceof TypeError);
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assert(arrObj.hasOwnProperty("1"));
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var desc = Object.getOwnPropertyDescriptor(arrObj, "1");
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assert(arrObj[1] === getFunc());
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assert(desc.hasOwnProperty("set") && typeof desc.set === "undefined");
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verifyNotWritable(arrObj, "1");
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verifyNotConfigurable(arrObj, "1");
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}
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