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PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
29 lines
841 B
JavaScript
29 lines
841 B
JavaScript
// Copyright 2022 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: --omit-default-ctors --no-turbofan --no-always-turbofan
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// TODO(v8:13091): Enable TurboFan.
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// This behavior is not spec compliant, see crbug.com/v8/13249.
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(function ArrayIteratorMonkeyPatched() {
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let iterationCount = 0;
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const oldIterator = Array.prototype[Symbol.iterator];
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Array.prototype[Symbol.iterator] =
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function () { ++iterationCount; return oldIterator.call(this); };
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class A {}
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class B extends A {}
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class C extends B {}
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assertEquals(0, iterationCount);
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new C();
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// C default ctor doing "...args" and B default ctor doing "...args".
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assertEquals(2, iterationCount);
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Array.prototype[Symbol.iterator] = oldIterator;
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})();
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