918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
41 lines
821 B
JavaScript
41 lines
821 B
JavaScript
// Copyright 2025 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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// Flags: --allow-natives-syntax --turbolev --turbofan
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let values = [];
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function reset() {
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values = [];
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}
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function mapper(value, ix, thisArg) {
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values.push(value);
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thisArg.length = 2;
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}
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%PrepareFunctionForOptimization(mapper);
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function testForEach() {
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reset();
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[1, 2, 3].forEach(mapper);
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assertEquals([1, 2], values);
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}
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%PrepareFunctionForOptimization(testForEach);
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testForEach();
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%OptimizeFunctionOnNextCall(testForEach);
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testForEach();
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function testMap() {
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reset();
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[1, 2, 3].map(mapper);
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assertEquals([1, 2], values);
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}
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%PrepareFunctionForOptimization(testMap);
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testMap();
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%OptimizeFunctionOnNextCall(testMap);
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testMap();
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