test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-311.js

48 lines
1.2 KiB
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.7-6-a-311
description: >
Object.defineProperties - 'O' is an Arguments object, 'P' is
generic own accessor property of 'O', test TypeError is thrown
when updating the [[Set]] attribute value of 'P' which is not
configurable (10.6 [[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/
var arg = (function () {
return arguments;
}(1, 2, 3));
function setFun(value) {
arg.genericPropertyString = value;
}
Object.defineProperty(arg, "genericProperty", {
set: setFun,
configurable: false
});
try {
Object.defineProperties(arg, {
"genericProperty": {
set: function (value) {
arg.genericPropertyString1 = value;
}
}
});
$ERROR("Expected an exception.");
} catch (e) {
verifyWritable(arg, "genericProperty", "genericPropertyString");
verifyNotEnumerable(arg, "genericProperty");
verifyNotConfigurable(arg, "genericProperty");
if (!(e instanceof TypeError)) {
$ERROR("Expected TypeError, got " + e);
}
}