/* * Copyright (c) 2018, 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. */ /** * @test TestAlignment * @key gc * @requires vm.gc.Epsilon & !vm.graal.enabled * @summary Check Epsilon runs fine with (un)usual alignments * @bug 8212005 * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:+UseTLAB TestAlignment * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:-UseTLAB TestAlignment * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:+UseTLAB -XX:+IgnoreUnrecognizedVMOptions -XX:ObjectAlignmentInBytes=16 TestAlignment * @run main/othervm -XX:+UnlockExperimentalVMOptions -Xmx128m -XX:+UseEpsilonGC -XX:-UseTLAB -XX:+IgnoreUnrecognizedVMOptions -XX:ObjectAlignmentInBytes=16 TestAlignment */ public class TestAlignment { static Object sink; public static void main(String[] args) throws Exception { for (int c = 0; c < 1000; c++) { sink = new byte[c]; } } }