--- /dev/null 2014-03-24 12:22:27.984991188 -0400 +++ new/test/runtime/SharedArchiveFile/ClassListExerciser.java 2014-03-27 15:15:22.366787489 -0400 @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2014, 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. + */ + +import java.io.IOException; +import java.io.BufferedReader; +import java.io.FileReader; +import java.io.FileNotFoundException; +import java.io.IOException; +import com.oracle.java.testlibrary.*; + + +/* + * @test ClassListExerciser + * @summary Exercise loading of classes from the classlist, make sure + * no crashes or exceptions occur + * @library /testlibrary + * @run main/othervm ClassListExerciser createSharedArchive + * @run main/othervm ClassListExerciser $JAVA_HOME/jre/lib/classlist + * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:SharedArchiveFile=./test.jsa -Xshare:auto ClassListExerciser $JAVA_HOME/jre/lib/classlist + */ + +/* What this class does: + * - read the boot classlist + * - for each class in a classlist: + * - load it + * - instantiate it (if default constructor exists) + */ +public class ClassListExerciser { + private final static boolean DIAGNOSTIC_MODE = false; + + public static void main(String[] args) throws Exception { + String firstArg = args[0]; + + if (args[0].equals("createSharedArchive")) { + createSharedArchive(); + } else { + String classListPath = args[0].replace("$JAVA_HOME", + System.getProperty("test.jdk")); + ClassListExerciser cle = new ClassListExerciser(); + ClassLoader classLoader = cle.getClassLoader(); + cle.exercise(classListPath, classLoader); + } + } + + private static void createSharedArchive() throws Exception { + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./test.jsa", + "-Xshare:dump"); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.shouldContain("Loading classes to share"); + output.shouldHaveExitValue(0); + } + + // This method is used to get the class loader for use in this test + // Ideally, the bootstrap class loader should be used. However, it is + // not accessible via Java API. Using system or application class loader is + // fine in this case, since since by design such class loaders will + // delegate loading of bootstrap classes to the bootstrap class loader. + private ClassLoader getClassLoader() { + return ClassLoader.getSystemClassLoader(); + } + + private String getClassName(String lineFromClassList) { + return lineFromClassList.split("\\.class")[0].replace('/', '.'); + } + + // A filter to skip a given class, which has known problems loading + // Returns true for skipping + private boolean skipClass(String className) { + if ( className.startsWith("sun.awt.X11.XErrorHandler") || + (className.charAt(0) == '#') ) { + return true; + } + + // java.lang.ClassNotFoundException: javax.swing.text.AbstractDocument$InsertStringResult + // on Windows only + if (Platform.isWindows() && + className.equals("javax.swing.text.AbstractDocument$InsertStringResult") ) { + return true; + } + + // java.lang.ClassNotFoundException: java.lang.invoke.MagicLambdaImpl + // on Mac OSX only + if (Platform.isOSX() && + (className.equals("java.lang.invoke.MagicLambdaImpl") || + className.equals("sun.lwawt.macosx.LWCToolkit$5") ) ) { + return true; + } + + return false; + } + + public void exercise(String classListName, ClassLoader classLoader) + throws RuntimeException, FileNotFoundException, IOException, + ClassNotFoundException { + + BufferedReader reader = new BufferedReader(new FileReader(classListName)); + String line = null; + int nrOfLoadedClasses = 0; + + try { + while ((line = reader.readLine()) != null) { + + String className = getClassName(line); + + if (DIAGNOSTIC_MODE) + System.out.println(className); + + if (skipClass(className)) + continue; + + Class c = classLoader.loadClass(className); + nrOfLoadedClasses++; + } + } finally { + reader.close(); + } + + System.out.println("Number of loaded classes is " + nrOfLoadedClasses); + } + +}