1 /*
2  * Copyright (c) 2013, 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 
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 driver ClassFileInstaller Agent
44  * @run main TestRedefineObject
45  * @run main/othervm -javaagent:agent.jar -Xlog:redefine+class+load=debug,redefine+class+timer=info Agent
46  */
47 public class TestRedefineObject {
main(String[] args)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 }
60