/* * Copyright (c) 2016, 2017, 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 * @requires vm.cds * @summary Testing -Xbootclasspath/a support for CDS * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) * @library /test/lib * @modules java.base/jdk.internal.misc * java.management * jdk.internal.jvmstat/sun.jvmstat.monitor * @compile javax/sound/sampled/MyClass.jasm * @compile org/omg/CORBA/Context.jasm * @compile nonjdk/myPackage/MyClass.java * @build LoadClass * @run main/othervm BootAppendTests */ import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.PrintStream; import java.nio.file.Path; import java.nio.file.Paths; import jdk.test.lib.cds.CDSOptions; import jdk.test.lib.cds.CDSTestUtils; import jdk.test.lib.process.ProcessTools; import jdk.test.lib.process.OutputAnalyzer; public class BootAppendTests { private static final String APP_CLASS = "LoadClass"; private static final String BOOT_APPEND_MODULE_CLASS = "javax/sound/sampled/MyClass"; private static final String BOOT_APPEND_DUPLICATE_MODULE_CLASS = "org/omg/CORBA/Context"; private static final String BOOT_APPEND_CLASS = "nonjdk/myPackage/MyClass"; private static final String BOOT_APPEND_MODULE_CLASS_NAME = BOOT_APPEND_MODULE_CLASS.replace('/', '.'); private static final String BOOT_APPEND_DUPLICATE_MODULE_CLASS_NAME = BOOT_APPEND_DUPLICATE_MODULE_CLASS.replace('/', '.'); private static final String BOOT_APPEND_CLASS_NAME = BOOT_APPEND_CLASS.replace('/', '.'); private static final String[] ARCHIVE_CLASSES = {BOOT_APPEND_MODULE_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS, BOOT_APPEND_CLASS}; private static final String modes[] = {"on", "off"}; private static String appJar; private static String bootAppendJar; public static void main(String... args) throws Exception { dumpArchive(); logTestCase("1"); testBootAppendModuleClass(); logTestCase("2"); testBootAppendDuplicateModuleClass(); logTestCase("3"); testBootAppendExcludedModuleClass(); logTestCase("4"); testBootAppendDuplicateExcludedModuleClass(); logTestCase("5"); testBootAppendClass(); } private static void logTestCase(String msg) { System.out.println(); System.out.printf("TESTCASE: %s", msg); System.out.println(); } static void dumpArchive() throws Exception { // create the classlist File classlist = CDSTestUtils.makeClassList(ARCHIVE_CLASSES); // build jar files appJar = ClassFileInstaller.writeJar("app.jar", APP_CLASS); bootAppendJar = ClassFileInstaller.writeJar("bootAppend.jar", BOOT_APPEND_MODULE_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS, BOOT_APPEND_CLASS); OutputAnalyzer out = CDSTestUtils.createArchiveAndCheck( "-Xbootclasspath/a:" + bootAppendJar, "-XX:SharedClassListFile=" + classlist.getPath()); // Make sure all the classes were successfully archived. for (String archiveClass : ARCHIVE_CLASSES) { out.shouldNotContain("Preload Warning: Cannot find " + archiveClass); } } // Test #1: If a class on -Xbootclasspath/a is from a package defined in // bootmodules, the class is not loaded at runtime. // Verify the behavior is the same when the class is archived // with CDS enabled at runtime. // // The javax.sound.sampled package is defined in the java.desktop module. // The archived javax.sound.sampled.MyClass from the -Xbootclasspath/a // should not be loaded at runtime. public static void testBootAppendModuleClass() throws Exception { for (String mode : modes) { CDSOptions opts = (new CDSOptions()) .setXShareMode(mode).setUseVersion(false) .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-cp", appJar, "-showversion") .addSuffix(APP_CLASS, BOOT_APPEND_MODULE_CLASS_NAME); OutputAnalyzer out = CDSTestUtils.runWithArchive(opts); CDSTestUtils.checkExec(out, opts, "java.lang.ClassNotFoundException: javax.sound.sampled.MyClass"); } } // Test #2: If a class on -Xbootclasspath/a has the same fully qualified // name as a class defined in boot modules, the class is not loaded // from -Xbootclasspath/a. Verify the behavior is the same at runtime // when CDS is enabled. // // The org.omg.CORBA.Context is a boot module class. The class on // the -Xbootclasspath/a path that has the same fully-qualified name // should not be loaded at runtime when CDS is enabled. // The one from the boot modules should be loaded instead. public static void testBootAppendDuplicateModuleClass() throws Exception { for (String mode : modes) { CDSOptions opts = (new CDSOptions()) .setXShareMode(mode).setUseVersion(false) .addPrefix("--add-modules", "java.corba", "-showversion", "-Xbootclasspath/a:" + bootAppendJar, "-cp", appJar) .addSuffix("-Xlog:class+load=info", APP_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS_NAME); OutputAnalyzer out = CDSTestUtils.runWithArchive(opts); CDSTestUtils.checkExec(out, opts, "[class,load] org.omg.CORBA.Context source: jrt:/java.corba"); } } // Test #3: If a class on -Xbootclasspath/a is from a package defined in boot modules, // the class can be loaded from -Xbootclasspath/a when the module is excluded // using --limit-modules. Verify the behavior is the same at runtime when CDS // is enabled. // // The java.desktop module is excluded using --limit-modules at runtime, // javax.sound.sampled.MyClass is archived from -Xbootclasspath/a. It can be // loaded from the archive at runtime. public static void testBootAppendExcludedModuleClass() throws Exception { for (String mode : modes) { CDSOptions opts = (new CDSOptions()) .setXShareMode(mode).setUseVersion(false) .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-showversion", "--limit-modules=java.base", "-cp", appJar) .addSuffix("-Xlog:class+load=info", APP_CLASS, BOOT_APPEND_MODULE_CLASS_NAME); OutputAnalyzer out = CDSTestUtils.runWithArchive(opts); CDSTestUtils.checkExec(out, opts, "[class,load] javax.sound.sampled.MyClass"); // When CDS is enabled, the shared class should be loaded from the archive. if (mode.equals("on")) { CDSTestUtils.checkExec(out, opts, "[class,load] javax.sound.sampled.MyClass source: shared objects file"); } } } // Test #4: If a class on -Xbootclasspath/a has the same fully qualified // name as a class defined in boot modules, the class is loaded // from -Xbootclasspath/a when the boot module is excluded using // --limit-modules. Verify the behavior is the same at runtime // when CDS is enabled. // // The org.omg.CORBA.Context is a boot module class. The class // on -Xbootclasspath/a that has the same fully-qualified name // as org.omg.CORBA.Context can be loaded at runtime when // java.corba is excluded. public static void testBootAppendDuplicateExcludedModuleClass() throws Exception { for (String mode : modes) { CDSOptions opts = (new CDSOptions()) .setXShareMode(mode).setUseVersion(false) .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-showversion", "--limit-modules=java.base", "-cp", appJar) .addSuffix("-Xlog:class+load=info", APP_CLASS, BOOT_APPEND_DUPLICATE_MODULE_CLASS_NAME); OutputAnalyzer out = CDSTestUtils.runWithArchive(opts); CDSTestUtils.checkExec(out, opts, "[class,load] org.omg.CORBA.Context"); if (!CDSTestUtils.isUnableToMap(out)) { if (mode.equals("off")) { out.shouldMatch(".*\\[class,load\\] org.omg.CORBA.Context source:.*bootAppend.jar"); } else { CDSTestUtils.checkExec(out, opts, "[class,load] org.omg.CORBA.Context source: shared objects file"); } } } } // Test #5: If a class on -Xbootclasspath/a is not from named modules, // the class can be loaded at runtime. Verify the behavior is // the same at runtime when CDS is enabled. // // The nonjdk.myPackage is not defined in named modules. The // archived nonjdk.myPackage.MyClass from -Xbootclasspath/a // can be loaded at runtime when CDS is enabled. public static void testBootAppendClass() throws Exception { for (String mode : modes) { CDSOptions opts = (new CDSOptions()) .setXShareMode(mode).setUseVersion(false) .addPrefix("-Xbootclasspath/a:" + bootAppendJar, "-showversion", "--limit-modules=java.base", "-cp", appJar) .addSuffix("-Xlog:class+load=info", APP_CLASS, BOOT_APPEND_CLASS_NAME); OutputAnalyzer out = CDSTestUtils.runWithArchive(opts); CDSTestUtils.checkExec(out, opts, "[class,load] nonjdk.myPackage.MyClass"); // If CDS is enabled, the nonjdk.myPackage.MyClass should be loaded // from the shared archive. if (mode.equals("on")) { CDSTestUtils.checkExec(out, opts, "[class,load] nonjdk.myPackage.MyClass source: shared objects file"); } } } }