/* * 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 Handling of non-final static string that has an initial value * @bug 8356125 * @requires vm.cds.supports.aot.class.linking * @library /test/lib * @build NonFinalStaticWithInitVal_Helper * @build NonFinalStaticWithInitVal * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar MyTestApp NonFinalStaticWithInitVal_Helper * @run driver NonFinalStaticWithInitVal AOT */ import jdk.test.lib.cds.SimpleCDSAppTester; import jdk.test.lib.helpers.ClassFileInstaller; import jdk.test.lib.process.OutputAnalyzer; public class NonFinalStaticWithInitVal { static final String appJar = ClassFileInstaller.getJarPath("app.jar"); static final String mainClass = "MyTestApp"; public static void main(String[] args) throws Exception { for (int i = 0; i < 2; i++) { SimpleCDSAppTester.of("NonFinalStaticWithInitVal") .addVmArgs("-XX:" + (i == 0 ? "-" : "+") + "AOTClassLinking", "-Xlog:cds") .classpath("app.jar") .appCommandLine("MyTestApp") .setProductionChecker((OutputAnalyzer out) -> { out.shouldContain("field = Dummy 12345678"); }) .runStaticWorkflow() .runAOTWorkflow(); } } } class MyTestApp { volatile static int x = 0; public static void main(String args[]) throws Exception { StringBuilder sb = new StringBuilder(); sb.append("Dummy "); sb.append("1234567"); sb.append(8 + x); String myValue = sb.toString().intern(); String theirValue = NonFinalStaticWithInitVal_Helper.foo; System.out.println("field = " + theirValue); if (myValue != theirValue) { // String literals from different class files must be interned. throw new RuntimeException("Interned strings do not match"); } } }