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.JDKToolFinder;
  25 import jdk.test.lib.process.OutputAnalyzer;
  26 import jdk.test.lib.process.ProcessTools;
  27 
  28 
  29 /*
  30  * @test
  31  * @bug 8075030
  32  * @summary JvmtiEnv::GetObjectSize reports incorrect java.lang.Class instance size
  33  * @library /test/lib
  34  * @modules java.base/jdk.internal.misc
  35  *          java.compiler
  36  *          java.instrument
  37  *          java.management
  38  *          jdk.jvmstat/sun.jvmstat.monitor
  39  * @build GetObjectSizeClassAgent
  40  * @run main ClassFileInstaller GetObjectSizeClassAgent
  41  * @run main GetObjectSizeClass
  42  */
  43 public class GetObjectSizeClass {
  44     public static void main(String[] args) throws Exception  {
  45         PrintWriter pw = new PrintWriter("MANIFEST.MF");
  46         pw.println("Premain-Class: GetObjectSizeClassAgent");
  47         pw.close();
  48 
  49         ProcessBuilder pb = new ProcessBuilder();
  50         pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeClassAgent.class"});
  51         pb.start().waitFor();
  52 
  53         ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-javaagent:agent.jar",  "GetObjectSizeClassAgent");
  54         OutputAnalyzer output = new OutputAnalyzer(pt.start());
  55 
  56         output.stdoutShouldContain("GetObjectSizeClass passed");
  57     }
  58 }