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20 lines
537 B
20 lines
537 B
9 years ago
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// Copyright 2016 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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(function testConcatRevokedProxyToArrayInPrototype() {
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"use strict";
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var handler = {
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get(_, name) {
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if (name === Symbol.isConcatSpreadable) {
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p.revoke();
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}
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return target[name];
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}
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}
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var p = Proxy.revocable([], handler);
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var target = { __proto__: p.proxy };
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assertThrows(function() { [].concat(target); }, TypeError);
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})();
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