1 /*
   2  * Copyright (c) 2018, 2019, 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  */
  24 
  25 /*
  26  * @test
  27  * @summary CDS dumping with java agent.
  28  * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes
  29  * @requires vm.cds
  30  * @requires vm.flavor != "minimal"
  31  * @modules jdk.jartool/sun.tools.jar
  32  * @build SimpleAgent Hello
  33  * @run main/othervm DumpingWithJavaAgent
  34  */
  35 
  36 import jdk.test.lib.cds.CDSOptions;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 import jdk.test.lib.process.ProcessTools;
  39 
  40 public class DumpingWithJavaAgent {
  41     public static String appClasses[] = {
  42         "Hello",
  43     };
  44     public static String agentClasses[] = {
  45         "SimpleAgent",
  46     };
  47 
  48     public static String warningMessages[] = {
  49         "This archive was created with AllowArchivingWithJavaAgent",
  50         "It should be used for testing purposes only and should not be used in a production environment",
  51     };
  52 
  53     public static String errorMessage =
  54         "The setting of the AllowArchivingWithJavaAgent is different from the setting in the shared archive.";
  55 
  56 
  57     public static String diagnosticOption = "-XX:+AllowArchivingWithJavaAgent";
  58 
  59     public static void main(String[] args) throws Throwable {
  60         String agentJar =
  61             ClassFileInstaller.writeJar("SimpleAgent.jar",
  62                                         ClassFileInstaller.Manifest.fromSourceFile("SimpleAgent.mf"),
  63                                         agentClasses);
  64 
  65         String appJar =
  66             ClassFileInstaller.writeJar("DumpingWithJavaAgent.jar", appClasses);
  67 
  68         // CDS dumping with a java agent with the AllowArchvingWithJavaAgent diagnostic option.
  69         OutputAnalyzer output = TestCommon.testDump(appJar, TestCommon.list("Hello"),
  70             "-XX:+UnlockDiagnosticVMOptions", diagnosticOption,
  71             "-javaagent:" + agentJar);
  72         TestCommon.checkDump(output);
  73         output.shouldContain(warningMessages[0]);
  74         output.shouldContain(warningMessages[1]);
  75         output.shouldContain("inside SimpleAgent");
  76 
  77         // Using the archive with the AllowArchvingWithJavaAgent diagnostic option.
  78         output = TestCommon.exec(
  79             appJar,
  80             "-Xlog:class+load=trace",
  81             "-XX:+UnlockDiagnosticVMOptions", diagnosticOption,
  82             "Hello");
  83         if (!TestCommon.isUnableToMap(output)) {
  84             output.shouldHaveExitValue(0);
  85             output.shouldContain(warningMessages[0]);
  86             output.shouldContain(warningMessages[1]);
  87             output.shouldContain("[class,load] Hello source: shared objects file");
  88         }
  89 
  90         // Using the archive with -Xshare:on without the diagnostic option.
  91         // VM should exit with an error message.
  92         output = TestCommon.exec(
  93             appJar,
  94             "Hello");
  95         output.shouldHaveExitValue(1);
  96         output.shouldContain(errorMessage);
  97 
  98         // Using the archive with -Xshare:auto without the diagnostic option.
  99         // VM should continue execution with a warning message. The archive
 100         // will not be used.
 101         output = TestCommon.execAuto(
 102             "-cp", appJar,
 103             "-Xlog:class+load=trace,cds=info",
 104             "Hello");
 105         if (!TestCommon.isUnableToMap(output)) {
 106             output.shouldHaveExitValue(0);
 107             output.shouldContain(errorMessage);
 108             output.shouldMatch(".class.load.* Hello source:.*DumpingWithJavaAgent.jar");
 109 
 110         // CDS dumping with a java agent without the AllowArchvingWithJavaAgent diagnostic option.
 111         // VM will exit with an error message.
 112         output = TestCommon.dump(appJar, TestCommon.list("Hello"),
 113             "-javaagent:" + agentJar);
 114         }
 115         output.shouldContain("Must enable AllowArchivingWithJavaAgent in order to run Java agent during CDS dumping")
 116             .shouldHaveExitValue(1);
 117     }
 118 }