/* * Copyright (c) 2016, 2024, 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 static java.lang.constant.ConstantDescs.CD_Object; import static java.lang.constant.ConstantDescs.CD_int; import java.io.IOException; import java.lang.classfile.ClassFile; import java.lang.constant.MethodTypeDesc; import java.nio.charset.Charset; import java.nio.file.Files; import java.nio.file.Path; import java.util.Collection; import java.util.List; import java.util.stream.Collectors; import org.testng.Assert; import org.testng.annotations.BeforeTest; import org.testng.annotations.Test; import jdk.tools.jlink.internal.LinkableRuntimeImage; import tests.Helper; import tests.JImageGenerator; import tests.JImageValidator; import tests.Result; /* * @test * @bug 8252919 8327499 * @library ../../lib * @summary Test --generate-jli-classes plugin * @modules java.base/jdk.internal.jimage * jdk.jlink/jdk.tools.jlink.internal * jdk.jlink/jdk.tools.jlink.internal.plugins * jdk.jlink/jdk.tools.jmod * jdk.jlink/jdk.tools.jimage * @build tests.* * @run testng/othervm GenerateJLIClassesPluginTest */ public class GenerateJLIClassesPluginTest { private static Helper helper; @BeforeTest public static void setup() throws Exception { boolean isLinkableRuntime = LinkableRuntimeImage.isLinkableRuntime(); System.out.println("DEBUG: Tests run on " + (isLinkableRuntime ? "enabled" : "disabled") + " capability of linking from the run-time image."); System.out.println("DEBUG: default module-path, 'jmods', " + (Helper.jdkHasPackagedModules() ? "" : "NOT ") + "present."); helper = Helper.newHelper(isLinkableRuntime); if (helper == null) { // In case of no linkable run-time image and also no packaged // modules, helper will be null. System.err.println("Test not run"); return; } } @Test public static void testSpecies() throws IOException { // Check that --generate-jli-classes=@file works as intended Path baseFile = Files.createTempFile("base", "trace"); String species = "LLLLLLLLLLLLLLLLLLL"; String fileString = "[SPECIES_RESOLVE] java.lang.invoke.BoundMethodHandle$Species_" + species + " (salvaged)\n"; Files.write(baseFile, fileString.getBytes(Charset.defaultCharset())); Result result = JImageGenerator.getJLinkTask() .output(helper.createNewImageDir("generate-jli-file")) .option("--generate-jli-classes=@" + baseFile.toString()) .addMods("java.base") .call(); Path image = result.assertSuccess(); validateHolderClasses(image); JImageValidator.validate(image.resolve("lib").resolve("modules"), classFilesForSpecies(List.of(species)), // species should be in the image classFilesForSpecies(List.of(species.substring(1)))); // but not it's immediate parent } @Test public static void testInvalidSignatures() throws IOException { // Check that --generate-jli-classes=@file fails as intended on shapes that can't be generated String[] args = new String[] { "[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeVirtual L_L (success)\n", "[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeInterface L_L (success)\n", "[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeStatic I_L (success)\n" }; for (String fileString : args) { Path failFile = Files.createTempFile("fail", "trace"); fileString = "[LF_RESOLVE] java.lang.invoke.DirectMethodHandle$Holder invokeVirtual L_L (success)\n"; Files.write(failFile, fileString.getBytes(Charset.defaultCharset())); Result result = JImageGenerator.getJLinkTask() .output(helper.createNewImageDir("invalid-signature")) .option("--generate-jli-classes=@" + failFile.toString()) .addMods("java.base") .call(); result.assertFailure(); } } @Test public static void nonExistentTraceFile() throws IOException { Result result = JImageGenerator.getJLinkTask() .output(helper.createNewImageDir("non-existent-tracefile")) .option("--generate-jli-classes=@NON_EXISTENT_FILE") .addMods("java.base") .call(); Path image = result.assertSuccess(); validateHolderClasses(image); } @Test public static void testInvokers() throws IOException { var fileString = "[LF_RESOLVE] java.lang.invoke.Invokers$Holder invoker L3I_L (fail)"; Path invokersTrace = Files.createTempFile("invokers", "trace"); Files.writeString(invokersTrace, fileString, Charset.defaultCharset()); Result result = JImageGenerator.getJLinkTask() .output(helper.createNewImageDir("jli-invokers")) .option("--generate-jli-classes=@" + invokersTrace.toString()) .addMods("java.base") .call(); var image = result.assertSuccess(); var targetMtd = MethodTypeDesc.of(CD_Object, CD_Object, CD_Object, CD_Object, CD_int); validateHolderClasses(image); JImageValidator.validate(image.resolve("lib").resolve("modules"), List.of(), List.of(), bytes -> { var cf = ClassFile.of().parse(bytes); if (!cf.thisClass().name().equalsString("java/lang/invoke/Invokers$Holder")) { return; } boolean found = false; for (var m : cf.methods()) { // LambdaForm.Kind if (m.methodName().equalsString("invoker") && m.methodTypeSymbol().equals(targetMtd)) { found = true; break; } } if (!found) { var methodsInfo = cf.methods().stream() .map(m -> m.methodName() + m.methodTypeSymbol().displayDescriptor()) .collect(Collectors.joining("\n")); Assert.fail("Missing invoker L3I_L in java.lang.invoke.Invokers$Holder, found:\n" + methodsInfo); } }); } private static void validateHolderClasses(Path image) throws IOException { JImageValidator.validate(image.resolve("lib").resolve("modules"), List.of("/java.base/java/lang/invoke/DirectMethodHandle$Holder.class", "/java.base/java/lang/invoke/DelegatingMethodHandle$Holder.class", "/java.base/java/lang/invoke/LambdaForm$Holder.class", "/java.base/java/lang/invoke/Invokers$Holder.class"), List.of()); } private static List classFilesForSpecies(Collection species) { return species.stream() .map(s -> "/java.base/java/lang/invoke/BoundMethodHandle$Species_" + s + ".class") .collect(Collectors.toList()); } }