mirror of https://github.com/tc39/test262.git
28 lines
740 B
JavaScript
28 lines
740 B
JavaScript
// Copyright (C) 2017 Caio Lima. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
description: Property descriptor of mapped arguments object with non-configurable property
|
|
info: |
|
|
Mapping keep working when property is set to non-configurable, and its
|
|
descriptor needs to change properly.
|
|
flags: [noStrict]
|
|
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
|
|
includes: [propertyHelper.js]
|
|
---*/
|
|
|
|
function argumentsAndSetMutableBinding(a) {
|
|
Object.defineProperty(arguments, "0", {configurable: false});
|
|
|
|
a = 2;
|
|
|
|
verifyProperty(arguments, "0", {
|
|
value: 2,
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: false,
|
|
});
|
|
}
|
|
argumentsAndSetMutableBinding(1);
|
|
|