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d8c97e4857
PR-URL: https://github.com/nodejs/node/pull/50115 Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
// Copyright 2023 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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// Test polymorphic Array.prototype.push with multiple maps per ElementsKind.
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function push(arr) {
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return arr.push(99);
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}
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let double_arr = [2.1, 13.37];
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let holey_double_arr = [, 4.9];
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let smi_arr1 = [12, 42];
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let smi_arr2 = [47, 11];
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double_arr.a = "";
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holey_double_arr.b = "";
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smi_arr1.c = "";
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smi_arr2.d = "";
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%PrepareFunctionForOptimization(push);
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assertEquals(3, push(double_arr));
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assertEquals(3, push(holey_double_arr));
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assertEquals(3, push(smi_arr1));
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assertEquals(3, push(smi_arr2));
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%OptimizeFunctionOnNextCall(push);
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assertEquals(4, push(double_arr));
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assertEquals(4, push(holey_double_arr));
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assertEquals(4, push(smi_arr1));
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assertEquals(4, push(smi_arr2));
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assertEquals([2.1, 13.37, 99, 99], double_arr);
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assertEquals([, 4.9, 99, 99], holey_double_arr);
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assertEquals([12, 42, 99, 99], smi_arr1);
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assertEquals([47, 11, 99, 99], smi_arr2);
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