--- a/test/hotspot/jtreg/serviceability/jvmti/TestLambdaFormRetransformation.java Thu Mar 21 08:41:10 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,141 +0,0 @@
-/*
- * Copyright (c) 2015, 2016, 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
- * @bug 8008678
- * @summary JSR 292: constant pool reconstitution must support pseudo strings
- * @library /test/lib
- * @modules java.base/jdk.internal.misc
- * java.instrument
- * java.management
- * jdk.jartool/sun.tools.jar
- * @compile -XDignore.symbol.file TestLambdaFormRetransformation.java
- * @run main TestLambdaFormRetransformation
- */
-
-import java.io.IOException;
-import java.lang.instrument.ClassFileTransformer;
-import java.lang.instrument.IllegalClassFormatException;
-import java.lang.instrument.Instrumentation;
-import java.lang.instrument.UnmodifiableClassException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.security.ProtectionDomain;
-import java.util.Arrays;
-
-import jdk.test.lib.process.ExitCode;
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.process.ProcessTools;
-
-public class TestLambdaFormRetransformation {
- private static String MANIFEST = String.format("Manifest-Version: 1.0\n" +
- "Premain-Class: %s\n" +
- "Can-Retransform-Classes: true\n",
- Agent.class.getName());
-
- private static String CP = System.getProperty("test.classes");
-
- public static void main(String args[]) throws Throwable {
- Path agent = TestLambdaFormRetransformation.buildAgent();
- OutputAnalyzer oa = ProcessTools.executeTestJvm("-javaagent:" +
- agent.toAbsolutePath().toString(), "-version");
- oa.shouldHaveExitValue(ExitCode.OK.value);
- }
-
- private static Path buildAgent() throws IOException {
- Path manifest = TestLambdaFormRetransformation.createManifest();
- Path jar = Files.createTempFile(Paths.get("."), null, ".jar");
-
- String[] args = new String[] {
- "-cfm",
- jar.toAbsolutePath().toString(),
- manifest.toAbsolutePath().toString(),
- "-C",
- TestLambdaFormRetransformation.CP,
- Agent.class.getName() + ".class"
- };
-
- sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");
-
- if (!jarTool.run(args)) {
- throw new Error("jar failed: args=" + Arrays.toString(args));
- }
- return jar;
- }
-
- private static Path createManifest() throws IOException {
- Path manifest = Files.createTempFile(Paths.get("."), null, ".mf");
- byte[] manifestBytes = TestLambdaFormRetransformation.MANIFEST.getBytes();
- Files.write(manifest, manifestBytes);
- return manifest;
- }
-}
-
-class Agent implements ClassFileTransformer {
- private static Runnable lambda = () -> {
- System.out.println("I'll crash you!");
- };
-
- public static void premain(String args, Instrumentation instrumentation) {
- if (!instrumentation.isRetransformClassesSupported()) {
- System.out.println("Class retransformation is not supported.");
- return;
- }
- System.out.println("Calling lambda to ensure that lambda forms were created");
-
- Agent.lambda.run();
-
- System.out.println("Registering class file transformer");
-
- instrumentation.addTransformer(new Agent());
-
- for (Class c : instrumentation.getAllLoadedClasses()) {
- if (c.getName().contains("LambdaForm") &&
- instrumentation.isModifiableClass(c)) {
- System.out.format("We've found a modifiable lambda form: %s%n", c.getName());
- try {
- instrumentation.retransformClasses(c);
- } catch (UnmodifiableClassException e) {
- throw new AssertionError("Modification of modifiable class " +
- "caused UnmodifiableClassException", e);
- }
- }
- }
- }
-
- public static void main(String args[]) {
- }
-
- @Override
- public byte[] transform(ClassLoader loader,
- String className,
- Class<?> classBeingRedefined,
- ProtectionDomain protectionDomain,
- byte[] classfileBuffer
- ) throws IllegalClassFormatException {
- System.out.println("Transforming " + className);
- return classfileBuffer.clone();
- }
-}