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PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
12 lines
357 B
JavaScript
12 lines
357 B
JavaScript
// Copyright 2014 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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"use strict";
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var obj = { length: 5 };
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obj[Symbol.isConcatSpreadable] = true;
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assertEquals(new Array(5), [].concat(obj));
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obj.length = 4000;
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assertEquals(new Array(4000), [].concat(obj));
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