/* * Copyright (c) 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. */ /* * @test * @library /test/lib * @run driver compiler.runtime.unloaded.TestUnloadedSignatureClass */ package compiler.runtime.unloaded; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; public class TestUnloadedSignatureClass { static class Test { static int test(Integer i) { // Bound to a wrapper around a method with (Ljava/lang/Object;ILjava/util/function/BiPredicate;Ljava/util/List;)I signature. // Neither BiPredicate nor List are guaranteed to be resolved by the context class loader. return switch (i) { case null -> -1; case 0 -> 0; default -> 1; }; } public static void main(String[] args) { for (int i = 0; i < 20_000; i++) { test(i); } } } public static void main(String[] args) throws Exception { ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder( "-Xbatch", "-XX:-TieredCompilation", "-XX:CompileCommand=quiet", "-XX:CompileCommand=compileonly,*::test", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintCompilation", "-XX:+PrintInlining", Test.class.getName() ); OutputAnalyzer out = new OutputAnalyzer(pb.start()); out.shouldHaveExitValue(0); out.shouldNotContain("unloaded signature classes"); } }