14 lines
415 B
JavaScript
14 lines
415 B
JavaScript
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// Copyright 2017 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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var a = [0, 1];
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a.constructor = {
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[Symbol.species]: function(len) {
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var arr = {length: 0};
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Object.defineProperty(arr, "length", {writable: false});
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return arr;
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}
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}
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assertThrows(() => { Array.prototype.concat.call(a) }, TypeError);
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