/* * Copyright (c) 2024, 2025, 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 id=static Lambda expressions in excluded classes shouldn't be resolved during the assembly phase. * @bug 8349888 * @requires vm.cds.supports.aot.class.linking * @requires vm.gc.Epsilon * @library /test/jdk/lib/testlibrary /test/lib * @build LambdaInExcludedClass * @run driver jdk.test.lib.helpers.ClassFileInstaller LambdaInExcludedClassApp * @run driver LambdaInExcludedClass STATIC */ import jdk.test.lib.cds.CDSAppTester; import jdk.test.lib.helpers.ClassFileInstaller; import jdk.test.lib.process.OutputAnalyzer; public class LambdaInExcludedClass { static final String mainClass = "LambdaInExcludedClassApp"; public static void main(String[] args) throws Exception { Tester t = new Tester(); t.run(args); } static class Tester extends CDSAppTester { public Tester() { super(mainClass); } @Override public String classpath(RunMode runMode) { // Using "." as the classpath allows the LambdaInExcludedClassApp to be loaded in // the assembly phase, but this class will be excluded from the AOT cache. return "."; } @Override public String[] vmArgs(RunMode runMode) { return new String[] { "-Xmx128m", "-XX:+AOTClassLinking", "-XX:+UnlockExperimentalVMOptions", "-XX:+UseEpsilonGC", }; } @Override public String[] appCommandLine(RunMode runMode) { return new String[] { mainClass, }; } @Override public void checkExecution(OutputAnalyzer out, RunMode runMode) throws Exception { if (runMode == RunMode.DUMP_STATIC) { out.shouldContain("Skipping LambdaInExcludedClassApp: Unsupported location"); out.shouldContain("Cannot aot-resolve constants for LambdaInExcludedClassApp because it is excluded"); } else { out.shouldContain("Hello LambdaInExcludedClassApp"); } } } } class LambdaInExcludedClassApp { public static void main(String args[]) throws Exception { // LambdaInExcludedClassApp is excluded, so aot-linking of lambda call sites // should not happen for this class. Otherwise Epsilon GC may crash due // to 8349888. Runnable r = LambdaInExcludedClassApp::doit; r.run(); } static void doit() { System.out.println("Hello LambdaInExcludedClassApp"); } }