--- a/test/hotspot/jtreg/runtime/RedefineTests/ModifyAnonymous.java Mon Mar 18 14:55:41 2019 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,203 +0,0 @@
-/*
- * Copyright (c) 2016, 2018, 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
- * @library /test/lib
- * @summary Test that retransforming and redefining anonymous classes gets UnmodifiableClassException
- * @modules java.base/jdk.internal.misc
- * @modules java.instrument
- * jdk.jartool/sun.tools.jar
- * @run main ModifyAnonymous buildagent
- * @run main/othervm -javaagent:redefineagent.jar ModifyAnonymous
- */
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.PrintWriter;
-import java.lang.RuntimeException;
-import java.lang.instrument.ClassDefinition;
-import java.lang.instrument.ClassFileTransformer;
-import java.lang.instrument.IllegalClassFormatException;
-import java.lang.instrument.Instrumentation;
-import java.security.ProtectionDomain;
-
-import jdk.test.lib.compiler.InMemoryJavaCompiler;
-
-public class ModifyAnonymous {
-
- public static class LambdaTransformer implements ClassFileTransformer {
- @Override
- public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,
- ProtectionDomain protectionDomain, byte[] classfileBuffer)
- throws IllegalClassFormatException {
- return null;
- }
- }
-
- static Instrumentation inst = null;
- static volatile boolean done = false;
-
- public static void premain(String args, Instrumentation instrumentation) {
-
- inst = instrumentation;
- System.out.println("javaagent in da house!");
- instrumentation.addTransformer(new LambdaTransformer());
- }
-
- private static void buildAgent() {
- try {
- ClassFileInstaller.main("ModifyAnonymous");
- } catch (Exception e) {
- throw new RuntimeException("Could not write agent classfile", e);
- }
-
- try {
- PrintWriter pw = new PrintWriter("MANIFEST.MF");
- pw.println("Premain-Class: ModifyAnonymous");
- pw.println("Agent-Class: ModifyAnonymous");
- pw.println("Can-Retransform-Classes: true");
- pw.println("Can-Redefine-Classes: true");
- pw.close();
- } catch (FileNotFoundException e) {
- throw new RuntimeException("Could not write manifest file for the agent", e);
- }
-
- sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");
- if (!jarTool.run(new String[] { "-cmf", "MANIFEST.MF", "redefineagent.jar", "ModifyAnonymous.class" })) {
- throw new RuntimeException("Could not write the agent jar file");
- }
- }
-
- public static class InstanceMethodCallSiteApp {
-
- public static void test() throws InterruptedException {
- for (int i = 0; i < 2; i++) {
- InstanceMethodCallSiteApp app = new InstanceMethodCallSiteApp();
- Runnable r = app::doWork; // this creates an anonymous class
- while (!done) {
- r.run();
- Thread.sleep(10);
- }
- }
- }
-
- public void doWork() {
- System.out.print(".");
- }
- }
-
- static void runTest() {
- PrintWriter pw;
- String logName = System.getProperty("test.classes") +
- File.separator + "loadedClasses.log";
- // Create a log file to capture the names of the classes in the
- // allLoadedClasses array. The log file is for assisting in debugging
- // in case a null class is encountered in the allLoadedClasses array.
- try {
- pw = new PrintWriter(new FileOutputStream(
- new File(logName), true));
- } catch (FileNotFoundException e) {
- throw new RuntimeException("Could not write loaded classes to log", e);
- }
- while (!done) {
- Class[] allLoadedClasses = inst.getAllLoadedClasses();
- int len = allLoadedClasses.length;
- pw.println(" allLoadedClasses length: " + len);
- for (int idx = 0; idx < len; idx++) {
- Class cls = allLoadedClasses[idx];
- pw.println(" " + idx + " " +
- ((cls != null) ? cls.getName() : "null"));
- }
- for (int idx = 0; idx < len; idx++) {
- Class clazz = allLoadedClasses[idx];
- if (clazz == null) {
- pw.flush();
- pw.close();
- throw new RuntimeException("null class encountered");
- }
- final String name = clazz.getName();
- if (name.contains("$$Lambda$") && name.contains("App")) {
- if (inst.isModifiableClass(clazz)) {
- pw.flush();
- pw.close();
- throw new RuntimeException ("Class should not be modifiable");
- }
- // Try to modify them anyway.
- try {
- System.out.println("retransform called for " + name);
- inst.retransformClasses(clazz);
- } catch(java.lang.instrument.UnmodifiableClassException t) {
- System.out.println("PASSED: expecting UnmodifiableClassException");
- t.printStackTrace();
- }
- try {
- System.out.println("redefine called for " + name);
- String newclass = "class Dummy {}";
- byte[] bytecode = InMemoryJavaCompiler.compile("Dummy", newclass);
- ClassDefinition cld = new ClassDefinition(clazz, bytecode);
- inst.redefineClasses(new ClassDefinition[] { cld });
- } catch(java.lang.instrument.UnmodifiableClassException t) {
- System.out.println("PASSED: expecting UnmodifiableClassException");
- t.printStackTrace();
- } catch(java.lang.ClassNotFoundException e) {
- pw.flush();
- pw.close();
- throw new RuntimeException ("ClassNotFoundException thrown");
- }
- done = true;
- }
- }
- }
- pw.flush();
- pw.close();
- }
-
- public static void main(String argv[]) throws InterruptedException, RuntimeException {
- if (argv.length == 1 && argv[0].equals("buildagent")) {
- buildAgent();
- return;
- }
-
- if (inst == null) {
- throw new RuntimeException("Instrumentation object was null");
- }
-
- new Thread() {
- public void run() {
- runTest();
- }
- }.start();
-
- // Test that NCDFE is not thrown for anonymous class:
- // ModifyAnonymous$InstanceMethodCallSiteApp$$Lambda$18
- try {
- ModifyAnonymous test = new ModifyAnonymous();
- InstanceMethodCallSiteApp.test();
- } catch (NoClassDefFoundError e) {
- throw new RuntimeException("FAILED: NoClassDefFoundError thrown for " + e.getMessage());
- }
- System.out.println("PASSED: NoClassDefFound error not thrown");
- }
-}