test262/test/built-ins/Object/defineProperty/15.2.3.6-4-323.js

44 lines
1.4 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: 15.2.3.6-4-323
description: >
Object.defineProperty - ''O' is an Arguments object, 'P' is own
accessor property of 'O', test TypeError is thrown when updating
the [[Enumerable]] attribute value of 'P' which is not
configurable (10.6 [[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/
(function () {
function setFunc(value) {
this.genericPropertyString = value;
}
Object.defineProperty(arguments, "genericProperty", {
set: setFunc,
enumerable: true,
configurable: false
});
try {
Object.defineProperty(arguments, "genericProperty", {
enumerable: false
});
$ERROR("Expected an exception.");
} catch (e) {
verifyWritable(arguments, "genericProperty", "genericPropertyString");
verifyEnumerable(arguments, "genericProperty");
verifyNotConfigurable(arguments, "genericProperty");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}
}(1, 2, 3));