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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: >
Mapping works when property is non-configurable, arguments property
was not deleted. Variable is changed with SetMutableBinding.
flags: [noStrict]
---*/
function argumentsAndDeleteSetMutableBinding(a) {
Object.defineProperty(arguments, "0", {configurable: false});
// Precondition: Delete is unsuccessful and doesn't affect mapping.
assert.sameValue(delete arguments[0], false);
assert.sameValue(a, 1);
assert.sameValue(arguments[0], 1);
a = 2;
assert.sameValue(a, 2);
assert.sameValue(arguments[0], 2);
}
argumentsAndDeleteSetMutableBinding(1);
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