| /* |
| * Copyright (c) 2014, 2017, 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. |
| */ |
| import java.io.PrintWriter; |
| import jdk.test.lib.JDKToolFinder; |
| import jdk.test.lib.Platform; |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.process.ProcessTools; |
| |
| /* |
| * 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 |
| * @build GetObjectSizeOverflowAgent |
| * @run main ClassFileInstaller GetObjectSizeOverflowAgent |
| * @run main GetObjectSizeOverflow |
| */ |
| public class GetObjectSizeOverflow { |
| public static void main(String[] args) throws Exception { |
| |
| if (!Platform.is64bit()) { |
| System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping."); |
| return; |
| } |
| |
| PrintWriter pw = new PrintWriter("MANIFEST.MF"); |
| pw.println("Premain-Class: GetObjectSizeOverflowAgent"); |
| pw.close(); |
| |
| ProcessBuilder pb = new ProcessBuilder(); |
| pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"}); |
| pb.start().waitFor(); |
| |
| ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent"); |
| OutputAnalyzer output = new OutputAnalyzer(pt.start()); |
| |
| if (output.getStdout().contains("Could not reserve enough space") || output.getStderr().contains("java.lang.OutOfMemoryError")) { |
| System.out.println("stdout: " + output.getStdout()); |
| System.out.println("stderr: " + output.getStderr()); |
| System.out.println("Test could not reserve or allocate enough space, skipping"); |
| return; |
| } |
| |
| output.stdoutShouldContain("GetObjectSizeOverflow passed"); |
| } |
| } |