26 lines
572 B
JavaScript
26 lines
572 B
JavaScript
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// Copyright 2018 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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{
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const x = [, 1];
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x.__proto__ = [42];
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const y = [...x];
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assertEquals([42, 1], y);
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assertTrue(y.hasOwnProperty(0));
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}
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{
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const x = [, 1];
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x.__proto__ = [42];
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assertEquals(42, x[Symbol.iterator]().next().value);
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}
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{
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const array_prototype = [].__proto__;
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array_prototype[0] = 42;
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const x = [, 1];
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assertEquals(42, x[Symbol.iterator]().next().value);
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delete array_prototype[0];
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}
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