4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 import java.io.PrintWriter;
  24 import jdk.test.lib.*;



  25 
  26 /*
  27  * Test to verify GetObjectSize does not overflow on a 600M element int[]
  28  *
  29  * @test
  30  * @bug 8027230
  31  * @library /testlibrary
  32  * @modules java.base/jdk.internal.misc
  33  *          java.compiler
  34  *          java.instrument
  35  *          java.management
  36  *          jdk.jvmstat/sun.jvmstat.monitor
  37  * @build ClassFileInstaller jdk.test.lib.* GetObjectSizeOverflowAgent
  38  * @run main ClassFileInstaller GetObjectSizeOverflowAgent
  39  * @run main GetObjectSizeOverflow
  40  */
  41 public class GetObjectSizeOverflow {
  42     public static void main(String[] args) throws Exception  {
  43 
  44         if (!Platform.is64bit()) {
  45             System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping.");
  46             return;
  47         }
  48 
  49         PrintWriter pw = new PrintWriter("MANIFEST.MF");
  50         pw.println("Premain-Class: GetObjectSizeOverflowAgent");
  51         pw.close();
  52 
  53         ProcessBuilder pb = new ProcessBuilder();
  54         pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"});
  55         pb.start().waitFor();
  56 
  57         ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar",  "GetObjectSizeOverflowAgent");

   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 import java.io.PrintWriter;
  24 import jdk.test.lib.JDKToolFinder;
  25 import jdk.test.lib.Platform;
  26 import jdk.test.lib.process.OutputAnalyzer;
  27 import jdk.test.lib.process.ProcessTools;
  28 
  29 /*
  30  * Test to verify GetObjectSize does not overflow on a 600M element int[]
  31  *
  32  * @test
  33  * @bug 8027230
  34  * @library /test/lib
  35  * @modules java.base/jdk.internal.misc
  36  *          java.compiler
  37  *          java.instrument
  38  *          java.management
  39  *          jdk.jvmstat/sun.jvmstat.monitor
  40  * @build GetObjectSizeOverflowAgent
  41  * @run main ClassFileInstaller GetObjectSizeOverflowAgent
  42  * @run main GetObjectSizeOverflow
  43  */
  44 public class GetObjectSizeOverflow {
  45     public static void main(String[] args) throws Exception  {
  46 
  47         if (!Platform.is64bit()) {
  48             System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping.");
  49             return;
  50         }
  51 
  52         PrintWriter pw = new PrintWriter("MANIFEST.MF");
  53         pw.println("Premain-Class: GetObjectSizeOverflowAgent");
  54         pw.close();
  55 
  56         ProcessBuilder pb = new ProcessBuilder();
  57         pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"});
  58         pb.start().waitFor();
  59 
  60         ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar",  "GetObjectSizeOverflowAgent");