30 lines
841 B
JavaScript
30 lines
841 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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// Flags: --allow-natives-syntax
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var array = [1.7, 1.7, 1.7];
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var mutator = {
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[Symbol.toPrimitive]() {
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Object.defineProperties(array, {
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0: { get() { } },
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1: { get() { } },
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2: { get() { } },
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});
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return 0;
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}
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};
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assertTrue(array.includes(undefined, mutator));
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function search(array, searchElement, startIndex) {
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return array.includes(searchElement, startIndex);
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}
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array = [1.7, 1.7, 1.7];
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var not_mutator = { [Symbol.toPrimitive]() { return 0; } };
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assertFalse(search(array, undefined, not_mutator));
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assertFalse(search(array, undefined, not_mutator));
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%OptimizeFunctionOnNextCall(search);
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assertTrue(search(array, undefined, mutator));
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