/* * Copyright (c) 2014, 2023, Oracle and/or its affiliates. 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 to verify GetObjectSize does not overflow on a 600M element int[] * * @test * @bug 8027230 * @library /test/lib * @modules java.base/jdk.internal.misc * java.compiler * java.instrument * java.management * jdk.internal.jvmstat/sun.jvmstat.monitor * @requires vm.bits == 64 * @requires vm.jvmti * @requires os.maxMemory > 6G * @build GetObjectSizeOverflowAgent * @run driver jdk.test.lib.helpers.ClassFileInstaller GetObjectSizeOverflowAgent * @run driver GetObjectSizeOverflow */ import java.io.PrintWriter; import jdk.test.lib.JDKToolFinder; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; public class GetObjectSizeOverflow { public static void main(String[] args) throws Exception { try (var pw = new PrintWriter("MANIFEST.MF")) { pw.println("Premain-Class: GetObjectSizeOverflowAgent"); } var jar = new ProcessBuilder(JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"); new OutputAnalyzer(jar.start()).shouldHaveExitValue(0); ProcessBuilder pt = ProcessTools.createTestJavaProcessBuilder("-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent"); OutputAnalyzer output = new OutputAnalyzer(pt.start()); output.stdoutShouldContain("GetObjectSizeOverflow passed"); output.shouldHaveExitValue(0); } }