17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
20 lines
592 B
JavaScript
20 lines
592 B
JavaScript
// Copyright 2023 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Fast array fill should be robust against evil object coercions.
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(function TestStart() {
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let arr = [1,2,3,4];
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arr.fill(42, { toString() { arr.length = 0; } });
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assertEquals(4, arr.length);
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assertEquals([42,42,42,42], arr);
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})();
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(function TestEnd() {
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let arr = [1,2,3,4];
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arr.fill(42, 0, { toString() { arr.length = 0; return 4; } });
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assertEquals(4, arr.length);
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assertEquals([42,42,42,42], arr);
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})();
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