6ca81ad72a
PR-URL: https://github.com/nodejs/node/pull/30020 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
44 lines
988 B
JavaScript
44 lines
988 B
JavaScript
// Copyright 2019 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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function checkOwnProperties(v, count) {
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var properties = Object.getOwnPropertyNames(v);
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assertEquals(properties.length, count);
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}
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function testStoreNoFeedback() {
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arr = new Int32Array(10);
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function f(a) { a["-1"] = 15; }
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for (var i = 0; i < 3; i++) {
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arr.__defineGetter__("x", function() { });
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checkOwnProperties(arr, 11);
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f(arr);
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}
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}
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testStoreNoFeedback();
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function testStoreGeneric() {
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arr = new Int32Array(10);
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var index = "-1";
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function f1(a) { a[index] = 15; }
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%EnsureFeedbackVectorForFunction(f1);
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// Make a[index] in f1 megamorphic
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f1({a: 1});
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f1({b: 1});
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f1({c: 1});
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f1({d: 1});
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for (var i = 0; i < 3; i++) {
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arr.__defineGetter__("x", function() { });
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checkOwnProperties(arr, 11);
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f1(arr);
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}
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}
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testStoreGeneric();
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