16 lines
481 B
JavaScript
16 lines
481 B
JavaScript
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// 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 = {
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"1": "A",
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"3": "B",
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"5": "C"
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};
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obj[Symbol.isConcatSpreadable] = true;
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obj.length = {toString: function() { return "SIX"; }, valueOf: null };
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assertEquals([], [].concat(obj));
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obj.length = {toString: null, valueOf: function() { return "SIX"; } };
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assertEquals([], [].concat(obj));
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