/* * Copyright (c) 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 * @summary Tests the effect of jdk.internal.vm.annotation.AOTXXX annotations * in the core Java library. * @bug 8317269 * @requires vm.cds.supports.aot.class.linking * @library /test/jdk/lib/testlibrary /test/lib * @build AOTAnnotationsTest * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar AOTAnnotationsTestApp * @run driver AOTAnnotationsTest */ import jdk.test.lib.cds.CDSAppTester; import jdk.test.lib.helpers.ClassFileInstaller; import jdk.test.lib.process.OutputAnalyzer; public class AOTAnnotationsTest { static final String appJar = ClassFileInstaller.getJarPath("app.jar"); static final String mainClass = AOTAnnotationsTestApp.class.getName(); public static void main(String[] args) throws Exception { Tester tester = new Tester(); tester.run(new String[] {"AOT", "--two-step-training"} ); } static class Tester extends CDSAppTester { public Tester() { super(mainClass); } @Override public String classpath(RunMode runMode) { return appJar; } @Override public String[] vmArgs(RunMode runMode) { return new String[] { "-Xlog:aot+class=debug", "-Xlog:aot+init", }; } @Override public String[] appCommandLine(RunMode runMode) { return new String[] { mainClass}; } @Override public void checkExecution(OutputAnalyzer out, RunMode runMode) { if (runMode == RunMode.ASSEMBLY) { out.shouldMatch("jdk.internal.math.MathUtils .*inited"); } } } } class AOTAnnotationsTestApp { public static void main(String args[]) { double d = 12.34567; // Double.toString() uses jdk.internal.math.MathUtils. // Because MathUtils has @AOTSafeClassInitializer and was initialized during // the training run, it will be cached in aot-inited state. System.out.println(Double.toString(d)); } }