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e31f0a7d25
PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
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 testLargeClassesStaticMethods() {
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// This is to test for dictionary mode when there more than
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// kMaxNumberOfDescriptors (1024) properties.
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const kLimit = 1030;
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let evalString = "(function(i) { " +
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"let clazz = class { " +
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" constructor(i) { this.value = i; } ";
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for (let i = 0; i < kLimit; i++) {
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evalString += "static property"+i+"() { return "+i+" }; "
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}
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evalString += "};" +
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" return new clazz(i); })";
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let fn = eval(evalString);
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%PrepareFunctionForOptimization(fn);
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assertEquals(fn(1).value, 1);
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assertEquals(fn(2).value, 2);
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assertEquals(fn(3).value, 3);
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%OptimizeFunctionOnNextCall(fn);
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assertEquals(fn(4).value, 4);
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let instance = fn(1);
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assertEquals(Object.getOwnPropertyNames(instance).length, 1);
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assertEquals(instance.value, 1);
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instance.value = 10;
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assertEquals(instance.value, 10);
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// kLimit + nof default properties (length, prototype, name).
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assertEquals(Object.getOwnPropertyNames(instance.constructor).length,
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kLimit + 3);
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// Call all static properties.
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for (let i = 0; i < kLimit; i++) {
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const key = "property" + i;
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assertEquals(instance.constructor[key](), i);
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}
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})();
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