/* * Copyright (c) 2020, 2025, 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 id=default-cl * @requires vm.cds * @summary Test class loader constraint checks for archived classes (dynamic archive) * @library /test/lib * /test/hotspot/jtreg/runtime/cds/appcds * /test/hotspot/jtreg/runtime/cds/appcds/test-classes * /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive * @modules java.base/jdk.internal.misc * jdk.httpserver * @build jdk.test.whitebox.WhiteBox * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicLoaderConstraintsTest */ /** * @test id=custom-cl * @requires vm.cds.custom.loaders * @summary Test class loader constraint checks for archived classes (dynamic archive) with custom class loader * @bug 8267347 * @library /test/lib * /test/hotspot/jtreg/runtime/cds/appcds * /test/hotspot/jtreg/runtime/cds/appcds/test-classes * /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive * @modules java.base/jdk.internal.misc * jdk.httpserver * @build jdk.test.whitebox.WhiteBox * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicLoaderConstraintsTest custom */ /** * @test id=custom-cl-zgc * @requires vm.cds.custom.loaders * @requires vm.cds.nocoops.archive.available * @requires vm.gc.Z * @summary Test dumptime_table entries are removed with zgc eager class unloading * @bug 8274935 * @library /test/lib * /test/hotspot/jtreg/runtime/cds/appcds * /test/hotspot/jtreg/runtime/cds/appcds/test-classes * /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive * @modules java.base/jdk.internal.misc * jdk.httpserver * @build jdk.test.whitebox.WhiteBox * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox * @run main/othervm/timeout=180 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DynamicLoaderConstraintsTest custom-zgc */ import com.sun.net.httpserver.HttpExchange; import com.sun.net.httpserver.HttpHandler; import jdk.test.lib.Asserts; import jdk.test.lib.helpers.ClassFileInstaller; import jdk.test.lib.Platform; public class DynamicLoaderConstraintsTest extends DynamicArchiveTestBase { static String mainClass = LoaderConstraintsApp.class.getName(); static String appJar = null; static String appClasses[] = { mainClass, HttpHandler.class.getName(), HttpExchange.class.getName(), Asserts.class.getName(), MyHttpHandler.class.getName(), MyHttpHandlerB.class.getName(), MyHttpHandlerC.class.getName(), MyClassLoader.class.getName() }; static String loaderMainClass = CustomAppLoader.class.getName(); static String loaderJar = null; static String loaderClasses[] = { loaderMainClass }; /* * useCustomLoader: if true, load the LoaderConstraintsApp in a custom loader before executing it. * if false, LoaderConstraintsApp will be loaded by the built-in AppClassLoader. */ static boolean useCustomLoader; static boolean useZGC; public static void main(String[] args) throws Exception { useCustomLoader = (args.length != 0); useZGC = (args.length != 0 && args[0].equals("custom-zgc")); runTest(DynamicLoaderConstraintsTest::doTest); } static void doTest() throws Exception { appJar = ClassFileInstaller.writeJar("loader_constraints.jar", appClasses); if (useCustomLoader) { loaderJar = ClassFileInstaller.writeJar("custom_app_loader.jar", loaderClasses); } doTest(false); doTest(true); } /* * errorInDump: * true: Even when dumping the archive, execute the code that would cause * LinkageError, to see how the VM can handle such error during * dump time. * false: At dump time, simply load all the necessary test classes without * causing LinkageError. This ensures the test classes will be * archived so we can test CDS's handling of loader constraints during * run time. */ static void doTest(boolean errorInDump) throws Exception { for (int i = 1; i <= 3; i++) { System.out.println("========================================"); System.out.println("errorInDump: " + errorInDump + ", useCustomLoader: " + useCustomLoader + ", useZGC: " + useZGC + ", case: " + i); System.out.println("========================================"); String topArchiveName = getNewArchiveName(); String testCase = Integer.toString(i); String cmdLine[] = new String[] { "--add-modules", "java.base,jdk.httpserver", "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED", "-Xlog:cds=debug,class+load,class+loader+constraints", }; if (useCustomLoader) { if (useZGC) { // Add options to force eager class unloading. cmdLine = TestCommon.concat(cmdLine, "-cp", loaderJar, "-XX:+UseZGC", "-XX:ZCollectionInterval=0.01", loaderMainClass, appJar); setBaseArchiveOptions("-XX:+UseZGC", "-Xlog:cds"); } else { cmdLine = TestCommon.concat(cmdLine, "-cp", loaderJar, loaderMainClass, appJar); } } else { cmdLine = TestCommon.concat(cmdLine, "-cp", appJar); } cmdLine = TestCommon.concat(cmdLine, mainClass, testCase); String[] dumpCmdLine = cmdLine; if (!errorInDump) { dumpCmdLine = TestCommon.concat(dumpCmdLine, "loadClassOnly"); } dump(topArchiveName, dumpCmdLine).assertNormalExit(); run(topArchiveName, cmdLine).assertNormalExit(); } } }