1 /*
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   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  * @requires vm.cds
  28  * @summary different settings of --patch-module at dump time and runtime are
  29  *          acceptable. The class found in runtime --patch-module entry should
  30  *          be used.
  31  * @library ../..
  32  * @library /test/hotspot/jtreg/testlibrary
  33  * @library /test/lib
  34  * @modules java.base/jdk.internal.misc
  35  *          jdk.jartool/sun.tools.jar
  36  * @build PatchMain
  37  * @run main MismatchedPatchModule
  38  */
  39 
  40 import jdk.test.lib.compiler.InMemoryJavaCompiler;
  41 import jdk.test.lib.process.OutputAnalyzer;
  42 
  43 public class MismatchedPatchModule {
  44     private static String moduleJar;
  45 
  46     public static void main(String args[]) throws Throwable {
  47 
  48         // Create a class file in the module java.naming. This class file
  49         // will be put in the javanaming.jar file.
  50         String source = "package javax.naming.spi; "                +
  51                         "public class NamingManager { "             +
  52                         "    static { "                             +
  53                         "        System.out.println(\"I pass!\"); " +
  54                         "    } "                                    +
  55                         "}";
  56 
  57         ClassFileInstaller.writeClassToDisk("javax/naming/spi/NamingManager",
  58              InMemoryJavaCompiler.compile("javax.naming.spi.NamingManager", source, "--patch-module=java.naming"),
  59              System.getProperty("test.classes"));
  60 
  61         // Build the jar file that will be used for the module "java.naming".
  62         JarBuilder.build("javanaming", "javax/naming/spi/NamingManager");
  63         moduleJar = TestCommon.getTestJar("javanaming.jar");
  64 
  65         // Case 1: --patch-module specified for dump time and run time
  66         System.out.println("Case 1: --patch-module specified for dump time and run time");
  67         OutputAnalyzer output =
  68             TestCommon.dump(null,
  69                 TestCommon.list("javax/naming/spi/NamingManager"),
  70                 "--patch-module=java.naming=" + moduleJar,
  71                 "PatchMain", "javax.naming.spi.NamingManager");
  72         TestCommon.checkDump(output, "Loading classes to share");
  73 
  74         // javax.naming.spi.NamingManager is not patched at runtime
  75         TestCommon.run(
  76             "-XX:+UnlockDiagnosticVMOptions",
  77             "--patch-module=java.naming2=" + moduleJar,
  78             "-Xlog:class+path=info",
  79             "PatchMain", "javax.naming.spi.NamingManager")
  80           .assertNormalExit(o -> o.shouldNotContain("I pass!"));
  81 
  82         // Case 2: --patch-module specified for dump time but not for run time
  83         System.out.println("Case 2: --patch-module specified for dump time but not for run time");
  84         output =
  85             TestCommon.dump(null,
  86                 TestCommon.list("javax/naming/spi/NamingManager"),
  87                 "--patch-module=java.naming=" + moduleJar,
  88                 "PatchMain", "javax.naming.spi.NamingManager");
  89         TestCommon.checkDump(output, "Loading classes to share");
  90 
  91         // javax.naming.spi.NamingManager is not patched at runtime
  92         TestCommon.run(
  93             "-XX:+UnlockDiagnosticVMOptions",
  94             "-Xlog:class+path=info",
  95             "PatchMain", "javax.naming.spi.NamingManager")
  96           .assertNormalExit(o -> o.shouldNotContain("I pass!"));
  97 
  98         // Case 3: --patch-module specified for run time but not for dump time
  99         System.out.println("Case 3: --patch-module specified for run time but not for dump time");
 100         output =
 101             TestCommon.dump(null,
 102                 TestCommon.list("javax/naming/spi/NamingManager"),
 103                 "PatchMain", "javax.naming.spi.NamingManager");
 104         TestCommon.checkDump(output, "Loading classes to share");
 105 
 106         // javax.naming.spi.NamingManager is patched at runtime
 107         TestCommon.run(
 108             "-XX:+UnlockDiagnosticVMOptions",
 109             "--patch-module=java.naming=" + moduleJar,
 110             "-Xlog:class+path=info",
 111             "PatchMain", "javax.naming.spi.NamingManager")
 112           .assertNormalExit("I pass!");
 113 
 114         // Case 4: mismatched --patch-module entry counts between dump time and run time
 115         System.out.println("Case 4: mismatched --patch-module entry counts between dump time and run time");
 116         output =
 117             TestCommon.dump(null,
 118                 TestCommon.list("javax/naming/spi/NamingManager"),
 119                 "--patch-module=java.naming=" + moduleJar,
 120                 "PatchMain", "javax.naming.spi.NamingManager");
 121         TestCommon.checkDump(output, "Loading classes to share");
 122 
 123         // javax.naming.spi.NamingManager is patched at runtime
 124         TestCommon.run(
 125             "-XX:+UnlockDiagnosticVMOptions",
 126             "--patch-module=java.naming=" + moduleJar,
 127             "--patch-module=java.naming2=" + moduleJar,
 128             "-Xlog:class+path=info",
 129             "PatchMain", "javax.naming.spi.NamingManager")
 130           .assertNormalExit("I pass!");
 131     }
 132 }