/* * Copyright (c) 2022, Red Hat, Inc. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import java.io.NameClassCache; /** * @test * @bug 8280041 * @summary Sanity test for ClassCache under continuous GC * @compile/module=java.base java/io/NameClassCache.java * @run main ContinuousGCTest */ public class ContinuousGCTest { static final NameClassCache CACHE = new NameClassCache(); static final String VALUE = "ClassCache-ContinuousGCTest"; public static void main(String... args) throws Throwable { for (int c = 0; c < 1000; c++) { test(); System.gc(); } } public static void test() { String cached = CACHE.get(ContinuousGCTest.class); if (!cached.equals(VALUE)) { throw new IllegalStateException("Cache failure, got: " + cached); } } }