21 lines
763 B
JavaScript
21 lines
763 B
JavaScript
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// Copyright 2020 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 --no-stress-opt
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assertTrue(%ArraySpeciesProtector());
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class MyArray extends Array { }
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Object.defineProperty(Array, Symbol.species, { value: MyArray });
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assertFalse(%ArraySpeciesProtector());
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assertTrue(%PromiseSpeciesProtector());
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class MyPromise extends Promise { }
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Object.defineProperty(Promise, Symbol.species, { value: MyPromise });
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assertFalse(%PromiseSpeciesProtector());
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assertTrue(%RegExpSpeciesProtector());
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class MyRegExp extends RegExp { }
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Object.defineProperty(RegExp, Symbol.species, { value: MyRegExp });
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assertFalse(%RegExpSpeciesProtector());
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