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19 lines
601 B
JavaScript
19 lines
601 B
JavaScript
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// Copyright (C) 2015 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: Mapped arguments object with non-configurable property
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description: >
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Mapping works when property is non-configurable, arguments property
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was not deleted. [[Delete]] operation returns false.
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flags: [noStrict]
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---*/
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function argumentsAndDelete(a) {
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Object.defineProperty(arguments, "0", {configurable: false});
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assert.sameValue(delete arguments[0], false);
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assert.sameValue(a, 1);
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assert.sameValue(arguments[0], 1);
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}
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argumentsAndDelete(1);
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