/* * Copyright (c) 2024, Red Hat, Inc. * 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.nio.charset.StandardCharsets; import java.nio.file.Files; import java.nio.file.Path; import tests.Helper; /* * @test * @summary Verify JLI class generation in run-time image link mode * @requires (vm.compMode != "Xcomp" & os.maxMemory >= 2g) * @library ../../lib /test/lib * @enablePreview * @modules java.base/jdk.internal.jimage * jdk.jlink/jdk.tools.jlink.internal * jdk.jlink/jdk.tools.jlink.plugin * jdk.jlink/jdk.tools.jimage * @build tests.* jdk.test.lib.process.OutputAnalyzer * jdk.test.lib.process.ProcessTools * @run main/othervm -Xmx1400m GenerateJLIClassesTest */ public class GenerateJLIClassesTest extends AbstractLinkableRuntimeTest { public static void main(String[] args) throws Exception { GenerateJLIClassesTest test = new GenerateJLIClassesTest(); test.run(); } /* * java.lang.invoke.BoundMethodHandle$Species_* classes get generated * by the GenerateJLiClassesPlugin. This test ensures that potentially * generated JLI classes from the run-time image don't populate to the * target image in the run-time image based link mode. */ @Override void runTest(Helper helper, boolean isLinkableRuntime) throws Exception { Path baseFile = Files.createTempFile("base", "trace"); String species = "LLLLLLLLLLLLLLLLLLL"; String fileString = "[SPECIES_RESOLVE] java.lang.invoke.BoundMethodHandle$Species_" + species + " (salvaged)\n"; Files.write(baseFile, fileString.getBytes(StandardCharsets.UTF_8)); BaseJlinkSpecBuilder builder = new BaseJlinkSpecBuilder() .helper(helper) .addModule("java.base") .name("jlink.jli-jmodless") .validatingModule("java.base"); if (isLinkableRuntime) { builder.setLinkableRuntime(); } Path runtimeLinkableImage = createRuntimeLinkImage(builder.build()); // Finally attempt another jmodless link reducing modules to java.base only, // and asking for specific jli classes. jlinkUsingImage(new JlinkSpecBuilder() .helper(helper) .imagePath(runtimeLinkableImage) .name("java.base-jli-derived") .addModule("java.base") .extraJlinkOpt("--generate-jli-classes=@" + baseFile.toString()) .expectedLocation("/java.base/java/lang/invoke/BoundMethodHandle$Species_" + species + ".class") .expectedLocation("/java.base/java/lang/invoke/BoundMethodHandle$Species_L.class") .unexpectedLocation("/java.base/java/lang/invoke/BoundMethodHandle$Species_" + species.substring(1) + ".class") .unexpectedLocation("/java.base/java/lang/invoke/BoundMethodHandle$Species_LL.class") .validatingModule("java.base") .build()); } }