Source code
Revision control
Copy as Markdown
Other Tools
// 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-282
description: >
Object.defineProperties - 'O' is an Arguments object, 'P' is own
data property of 'O' which is also defined in [[ParameterMap]] of
'O', test TypeError is thrown when updating the [[Value]]
attribute value of 'P' whose writable and configurable attributes
are false (10.6 [[DefineOwnProperty]] step 4)
includes: [propertyHelper.js]
---*/
var arg;
(function fun(a, b, c) {
arg = arguments;
}(0, 1, 2));
Object.defineProperty(arg, "0", {
value: 0,
writable: false,
configurable: false
});
try {
Object.defineProperties(arg, {
"0": {
value: 10
}
});
throw new Test262Error("Expected an exception.");
} catch (e) {
if (!(e instanceof TypeError)) {
throw new Test262Error("Expected TypeError, got " + e);
}
}
verifyProperty(arg, "0", {
value: 0,
writable: false,
enumerable: true,
configurable: false,
});
reportCompare(0, 0);