1 /*
   2  * Copyright (c) 2015, 2017, 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  * (NOTE: AppCDS does not support uncompressed oops)
  30  * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
  31  * @requires (sun.arch.data.model == "64")
  32  * @requires ((os.family == "linux") & (os.arch=="amd64")) | (os.family == "solaris")
  33  * @library /test/lib /test/hotspot/jtreg/runtime/appcds
  34  * @modules java.base/jdk.internal.misc
  35  *          java.management
  36  *          jdk.jartool/sun.tools.jar
  37  * @compile test-classes/LoaderSegregation.java
  38  *          test-classes/CustomLoadee.java test-classes/CustomLoadee2.java
  39  *          test-classes/CustomInterface2_ia.java test-classes/CustomInterface2_ib.java
  40  *          test-classes/CustomLoadee3.java test-classes/CustomLoadee3Child.java
  41  *          test-classes/OnlyBuiltin.java
  42  *          test-classes/OnlyUnregistered.java
  43  *          ../test-classes/Util.java
  44  * @build sun.hotspot.WhiteBox
  45  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  46  * @run main LoaderSegregationTest
  47  */
  48 
  49 import jdk.test.lib.process.OutputAnalyzer;
  50 import sun.hotspot.WhiteBox;
  51 
  52 /**
  53  * See "Handling of the classes in the AppCDS archive" at the top of
  54  * systemDicrionatyShared.hpp.
  55  *
  56  * This test ensure that the 2 types of archived classes (BUILTIN and UNREGISTERED)
  57  * are segregated at both dump-time and run time:
  58  *
  59  * [A] An archived BUILTIN class cannot be a subclass of a non-BUILTIN class.
  60  * [B] An archived BUILTIN class cannot implement a non-BUILTIN interface.
  61  * [C] BUILTIN and UNREGISTERED classes can be loaded only by their corresponding
  62  *     type of loaders.
  63  *
  64  */
  65 public class LoaderSegregationTest {
  66     public static void main(String[] args) throws Exception {
  67         String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
  68         String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;
  69 
  70         String appJar = JarBuilder.build("LoaderSegregation_app", "LoaderSegregation",
  71                                          "CustomLoadee", "CustomLoadee2", "CustomLoadee3Child", "CustomInterface2_ia",
  72                                          "OnlyBuiltin", "Util");
  73 
  74         String app2Jar = JarBuilder.build("LoaderSegregation_app2", "CustomLoadee3", "CustomInterface2_ib");
  75 
  76         String customJarPath = JarBuilder.build("LoaderSegregation_custom", "CustomLoadee",
  77                                                 "CustomLoadee2", "CustomInterface2_ia", "CustomInterface2_ib",
  78                                                 "CustomLoadee3", "CustomLoadee3Child",
  79                                                 "OnlyBuiltin", "OnlyUnregistered");
  80 
  81         // Dump the archive
  82         String classlist[] = new String[] {
  83             "LoaderSegregation",
  84             "java/lang/Object id: 1",
  85 
  86             // These are the UNREGISTERED classes: they have "source:"
  87             // but they don't have "loader:".
  88             "CustomLoadee id: 2 super: 1 source: " + customJarPath,
  89 
  90             "CustomInterface2_ia id: 3 super: 1 source: " + customJarPath,
  91             "CustomInterface2_ib id: 4 super: 1 source: " + customJarPath,
  92             "CustomLoadee2 id: 5 super: 1 interfaces: 3 4 source: " + customJarPath,
  93 
  94             "CustomLoadee3 id: 6 super: 1 source: " + customJarPath,
  95             "CustomLoadee3Child id: 7 super: 6 source: " + customJarPath,
  96 
  97             // At dump time, the following BUILTIN classes are loaded after the UNREGISTERED
  98             // classes from above. However, at dump time, they cannot use the UNREGISTERED classes are their
  99             // super or interface.
 100             "CustomLoadee",          // can be loaded at dump time
 101             "CustomLoadee2",         // cannot be loaded at dump time (interface missing)
 102             "CustomLoadee3Child",    // cannot be loaded at dump time (super missing)
 103 
 104             // Check that BUILTIN and UNREGISTERED classes can be loaded only by their
 105             // corresponding type of loaders.
 106             "OnlyBuiltin",
 107             "OnlyUnregistered id: 9 super: 1 source: " + customJarPath,
 108         };
 109 
 110         OutputAnalyzer output;
 111         TestCommon.testDump(appJar, classlist,
 112                             // command-line arguments ...
 113                             use_whitebox_jar);
 114 
 115         output = TestCommon.exec(TestCommon.concatPaths(appJar, app2Jar),
 116                                  // command-line arguments ...
 117                                  "--add-opens=java.base/java.lang=ALL-UNNAMED",
 118                                  "--add-opens=java.base/java.security=ALL-UNNAMED",
 119                                  use_whitebox_jar,
 120                                  "-XX:+UnlockDiagnosticVMOptions",
 121                                  "-XX:+WhiteBoxAPI",
 122                                  "LoaderSegregation", customJarPath);
 123         TestCommon.checkExec(output);
 124     }
 125 }