test262/test/built-ins/Object/defineProperty/15.2.3.6-4-288.js

44 lines
1.2 KiB
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms"). Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.
/*---
es5id: 15.2.3.6-4-288
description: >
Object.defineProperty - 'O' is an Array, 'name' is generic own
accessor property of 'O', test TypeError is thrown when updating
the [[Configurable]] attribute value of 'name' which is defined as
non-configurable (15.4.5.1 step 5)
includes: [propertyHelper.js]
---*/
var arrObj = [];
function setFunc(value) {
arrObj.setVerifyHelpProp = value;
}
Object.defineProperty(arrObj, "property", {
set: setFunc,
configurable: false
});
try {
Object.defineProperty(arrObj, "property", {
configurable: true
});
$ERROR("Expected an exception.");
} catch (e) {
verifyWritable(arrObj, "property", "setVerifyHelpProp");
verifyNotEnumerable(arrObj, "property");
verifyNotConfigurable(arrObj, "property");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}