1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   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
  28  * @bug 8075030
  29  * @summary JvmtiEnv::GetObjectSize reports incorrect java.lang.Class instance size
  30  * @library /testlibrary
  31  * @modules java.base/jdk.internal.misc
  32  *          java.compiler
  33  *          java.instrument
  34  *          java.management
  35  *          jdk.jvmstat/sun.jvmstat.monitor
  36  * @build ClassFileInstaller jdk.test.lib.* GetObjectSizeClassAgent
  37  * @run main ClassFileInstaller GetObjectSizeClassAgent
  38  * @run main GetObjectSizeClass
  39  */
  40 public class GetObjectSizeClass {
  41     public static void main(String[] args) throws Exception  {
  42         PrintWriter pw = new PrintWriter("MANIFEST.MF");
  43         pw.println("Premain-Class: GetObjectSizeClassAgent");
  44         pw.close();
  45 
  46         ProcessBuilder pb = new ProcessBuilder();
  47         pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeClassAgent.class"});
  48         pb.start().waitFor();
  49 
  50         ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-javaagent:agent.jar",  "GetObjectSizeClassAgent");
  51         OutputAnalyzer output = new OutputAnalyzer(pt.start());
  52 
  53         output.stdoutShouldContain("GetObjectSizeClass passed");
  54     }
  55 }