1 /*

     2  * Copyright (c) 2015, 2018, 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 Check that during dumping, the classes for BOOT/EXT/APP loaders are segregated from the

    28  *          custom loader classes.

    29  * @requires vm.cds

    30  * @requires vm.cds.custom.loaders

    31  * @library /test/lib /test/hotspot/jtreg/runtime/appcds

    32  * @modules java.base/jdk.internal.misc

    33  *          java.management

    34  *          jdk.jartool/sun.tools.jar

    35  * @compile test-classes/LoaderSegregation.java

    36  *          test-classes/CustomLoadee.java test-classes/CustomLoadee2.java

    37  *          test-classes/CustomInterface2_ia.java test-classes/CustomInterface2_ib.java

    38  *          test-classes/CustomLoadee3.java test-classes/CustomLoadee3Child.java

    39  *          test-classes/OnlyBuiltin.java

    40  *          test-classes/OnlyUnregistered.java

    41  *          ../test-classes/Util.java

    42  * @build sun.hotspot.WhiteBox

    43  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    44  * @run driver LoaderSegregationTest

    45  */

    46 

    47 import jdk.test.lib.process.OutputAnalyzer;

    48 import sun.hotspot.WhiteBox;

    49 

    50 /**

    51  * See "Handling of the classes in the AppCDS archive" at the top of

    52  * systemDicrionatyShared.hpp.

    53  *

    54  * This test ensure that the 2 types of archived classes (BUILTIN and UNREGISTERED)

    55  * are segregated at both dump-time and run time:

    56  *

    57  * [A] An archived BUILTIN class cannot be a subclass of a non-BUILTIN class.

    58  * [B] An archived BUILTIN class cannot implement a non-BUILTIN interface.

    59  * [C] BUILTIN and UNREGISTERED classes can be loaded only by their corresponding

    60  *     type of loaders.

    61  *

    62  */

    63 public class LoaderSegregationTest {

    64     public static void main(String[] args) throws Exception {

    65         String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");

    66         String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;

    67 

    68         String appJar = JarBuilder.build("LoaderSegregation_app", "LoaderSegregation",

    69                                          "CustomLoadee", "CustomLoadee2", "CustomLoadee3Child", "CustomInterface2_ia",

    70                                          "OnlyBuiltin", "Util");

    71 

    72         String app2Jar = JarBuilder.build("LoaderSegregation_app2", "CustomLoadee3", "CustomInterface2_ib");

    73 

    74         String customJarPath = JarBuilder.build("LoaderSegregation_custom", "CustomLoadee",

    75                                                 "CustomLoadee2", "CustomInterface2_ia", "CustomInterface2_ib",

    76                                                 "CustomLoadee3", "CustomLoadee3Child",

    77                                                 "OnlyBuiltin", "OnlyUnregistered");

    78 

    79         // Dump the archive

    80         String classlist[] = new String[] {

    81             "LoaderSegregation",

    82             "java/lang/Object id: 1",

    83 

    84             // These are the UNREGISTERED classes: they have "source:"

    85             // but they don't have "loader:".

    86             "CustomLoadee id: 2 super: 1 source: " + customJarPath,

    87 

    88             "CustomInterface2_ia id: 3 super: 1 source: " + customJarPath,

    89             "CustomInterface2_ib id: 4 super: 1 source: " + customJarPath,

    90             "CustomLoadee2 id: 5 super: 1 interfaces: 3 4 source: " + customJarPath,

    91 

    92             "CustomLoadee3 id: 6 super: 1 source: " + customJarPath,

    93             "CustomLoadee3Child id: 7 super: 6 source: " + customJarPath,

    94 

    95             // At dump time, the following BUILTIN classes are loaded after the UNREGISTERED

    96             // classes from above. However, at dump time, they cannot use the UNREGISTERED classes are their

    97             // super or interface.

    98             "CustomLoadee",          // can be loaded at dump time

    99             "CustomLoadee2",         // cannot be loaded at dump time (interface missing)

   100             "CustomLoadee3Child",    // cannot be loaded at dump time (super missing)

   101 

   102             // Check that BUILTIN and UNREGISTERED classes can be loaded only by their

   103             // corresponding type of loaders.

   104             "OnlyBuiltin",

   105             "OnlyUnregistered id: 9 super: 1 source: " + customJarPath,

   106         };

   107 

   108         OutputAnalyzer output;

   109         TestCommon.testDump(appJar, classlist,

   110                             // command-line arguments ...

   111                             use_whitebox_jar);

   112 

   113         output = TestCommon.exec(TestCommon.concatPaths(appJar, app2Jar),

   114                                  // command-line arguments ...

   115                                  "--add-opens=java.base/java.lang=ALL-UNNAMED",

   116                                  "--add-opens=java.base/java.security=ALL-UNNAMED",

   117                                  use_whitebox_jar,

   118                                  "-XX:+UnlockDiagnosticVMOptions",

   119                                  "-XX:+WhiteBoxAPI",

   120                                  "LoaderSegregation", customJarPath);

   121         TestCommon.checkExec(output);

   122     }

   123 }