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// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-configurable and
non-writable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to
[[DefineOwnProperty]].
flags: [noStrict]
---*/
function argumentsNonConfigurableThenNonWritableWithDefineOwnProperty(a) {
Object.defineProperty(arguments, "0", {configurable: false});
Object.defineProperty(arguments, "0", {value: 2});
Object.defineProperty(arguments, "0", {writable: false});
assert.sameValue(a, 2);
assert.sameValue(arguments[0], 2);
// Postcondition: Arguments mapping is removed.
a = 3;
assert.sameValue(a, 3);
assert.sameValue(arguments[0], 2);
}
argumentsNonConfigurableThenNonWritableWithDefineOwnProperty(1);
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