/* * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * @test * @summary Check that during dumping, the classes for BOOT/EXT/APP loaders are segregated from the * custom loader classes. * @requires vm.cds * @requires vm.cds.custom.loaders * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds * @modules java.base/jdk.internal.misc * java.management * jdk.jartool/sun.tools.jar * @compile test-classes/LoaderSegregation.java * test-classes/CustomLoadee.java test-classes/CustomLoadee2.java * test-classes/CustomInterface2_ia.java test-classes/CustomInterface2_ib.java * test-classes/CustomLoadee3.java test-classes/CustomLoadee3Child.java * test-classes/OnlyBuiltin.java * test-classes/OnlyUnregistered.java * ../test-classes/Util.java * ../test-classes/Hello.java * @build sun.hotspot.WhiteBox * @run driver ClassFileInstaller sun.hotspot.WhiteBox * @run driver LoaderSegregationTest */ import jdk.test.lib.process.OutputAnalyzer; import sun.hotspot.WhiteBox; /** * See "Handling of the classes in the AppCDS archive" at the top of * systemDicrionatyShared.hpp. * * This test ensure that the 2 types of archived classes (BUILTIN and UNREGISTERED) * are segregated at both dump-time and run time: * * [A] An archived BUILTIN class cannot be a subclass of a non-BUILTIN class. * [B] An archived BUILTIN class cannot implement a non-BUILTIN interface. * [C] BUILTIN and UNREGISTERED classes can be loaded only by their corresponding * type of loaders. * */ public class LoaderSegregationTest { public static void main(String[] args) throws Exception { String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox"); String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar; String appJar = JarBuilder.build("LoaderSegregation_app", "LoaderSegregation", "CustomLoadee", "CustomLoadee2", "CustomLoadee3Child", "CustomInterface2_ia", "OnlyBuiltin", "Util"); String app2Jar = JarBuilder.build("LoaderSegregation_app2", "CustomLoadee3", "CustomInterface2_ib"); String customJarPath = JarBuilder.build("LoaderSegregation_custom", "CustomLoadee", "CustomLoadee2", "CustomInterface2_ia", "CustomInterface2_ib", "CustomLoadee3", "CustomLoadee3Child", "OnlyBuiltin", "OnlyUnregistered", "Hello"); // Dump the archive String classlist[] = new String[] { "LoaderSegregation", "java/lang/Object id: 1", // These are the UNREGISTERED classes: they have "source:" // but they don't have "loader:". "CustomLoadee id: 2 super: 1 source: " + customJarPath, "CustomInterface2_ia id: 3 super: 1 source: " + customJarPath, "CustomInterface2_ib id: 4 super: 1 source: " + customJarPath, "CustomLoadee2 id: 5 super: 1 interfaces: 3 4 source: " + customJarPath, "CustomLoadee3 id: 6 super: 1 source: " + customJarPath, "CustomLoadee3Child id: 7 super: 6 source: " + customJarPath, // At dump time, the following BUILTIN classes are loaded after the UNREGISTERED // classes from above. However, at dump time, they cannot use the UNREGISTERED classes are their // super or interface. "CustomLoadee", // can be loaded at dump time "CustomLoadee2", // cannot be loaded at dump time (interface missing) "CustomLoadee3Child", // cannot be loaded at dump time (super missing) // Check that BUILTIN and UNREGISTERED classes can be loaded only by their // corresponding type of loaders. "OnlyBuiltin", "OnlyUnregistered id: 9 super: 1 source: " + customJarPath, }; OutputAnalyzer output; TestCommon.testDump(appJar, classlist, // command-line arguments ... use_whitebox_jar); output = TestCommon.exec(TestCommon.concatPaths(appJar, app2Jar), // command-line arguments ... use_whitebox_jar, "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", "LoaderSegregation", customJarPath); TestCommon.checkExec(output); } }