12 lines
411 B
JavaScript
12 lines
411 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 array = [1, 2, 3];
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assertEquals(array, [].concat(array));
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assertEquals(array, array.concat([]));
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array[Symbol.isConcatSpreadable] = false;
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assertEquals([[1,2,3]], [].concat(array));
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assertEquals([[1,2,3]], array.concat([]));
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