1 /*
   2  * Copyright (c) 2013, 2015, 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 
  25 import jdk.test.lib.JDKToolFinder;
  26 import jdk.test.lib.process.ProcessTools;
  27 import jdk.test.lib.process.OutputAnalyzer;
  28 
  29 /*
  30  * Test to redefine java/lang/Object and verify that it doesn't crash on vtable
  31  * call on basic array type.
  32  * Test to redefine java/lang/ClassLoader and java/lang/reflect/Method to make
  33  * sure cached versions used afterward are the current version.
  34  *
  35  * @test
  36  * @bug 8005056
  37  * @bug 8009728
  38  * @library /test/lib
  39  * @modules java.base/jdk.internal.misc
  40  *          java.instrument
  41  *          java.management
  42  * @build Agent
  43  * @run main ClassFileInstaller Agent
  44  * @run main TestRedefineObject
  45  * @run main/othervm -javaagent:agent.jar -XX:TraceRedefineClasses=5 Agent
  46  */
  47 public class TestRedefineObject {
  48     public static void main(String[] args) throws Exception  {
  49 
  50       PrintWriter pw = new PrintWriter("MANIFEST.MF");
  51       pw.println("Premain-Class: Agent");
  52       pw.println("Can-Retransform-Classes: true");
  53       pw.close();
  54 
  55       ProcessBuilder pb = new ProcessBuilder();
  56       pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "Agent.class"});
  57       pb.start().waitFor();
  58     }
  59 }