/* * 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. */ import jdk.test.lib.process.OutputAnalyzer; /** * @test id=unreg * @summary Tests that if a super class is listed as unregistered it is archived * as such even if a class with the same name has also been loaded from the * classpath. * * @requires vm.cds * @requires vm.cds.custom.loaders * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds * @compile test-classes/RegUnregSuperApp.java test-classes/CustomLoadee3.java test-classes/CustomLoadee3Child.java * @run main RegUnregSuperTest unreg */ /** * @test id=reg * @summary If an unregistered class U is specified to have a registered * supertype S1 named SN but an unregistered class S2 also named SN has already * been loaded S2 will be incorrectly used as the supertype of U instead of S1 * due to limitations in the loading mechanism of unregistered classes. For this * reason U should not be loaded at all and an appropriate warning should be * printed. * * @requires vm.cds * @requires vm.cds.custom.loaders * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds * @compile test-classes/RegUnregSuperApp.java test-classes/CustomLoadee3.java test-classes/CustomLoadee3Child.java * @run main RegUnregSuperTest reg */ public class RegUnregSuperTest { public static void main(String[] args) throws Exception { final String variant = args[0]; final String appJar = JarBuilder.build( "app", "RegUnregSuperApp", "DirectClassLoader", "CustomLoadee3", "CustomLoadee3Child" ); OutputAnalyzer out; final String classlist[] = new String[] { "java/lang/Object id: 0", "CustomLoadee3 id: 1", "CustomLoadee3 id: 2 super: 0 source: " + appJar, "CustomLoadee3Child id: 3 super: " + ("reg".equals(variant) ? "1" : "2") + " source: " + appJar }; out = TestCommon.testDump(appJar, classlist, "-Xlog:cds+class=debug"); out.shouldContain("app CustomLoadee3"); // Not using \n as below because it'll be "app CustomLoadee3 aot-linked" with AOTClassLinking out.shouldNotContain("app CustomLoadee3Child"); out.shouldContain("unreg CustomLoadee3\n"); // Accepts "unreg CustomLoadee3" but not "unreg CustomLoadee3Child" if ("reg".equals(variant)) { out.shouldNotContain("unreg CustomLoadee3Child"); out.shouldContain("CustomLoadee3Child (id 3) has super-type CustomLoadee3 (id 1) obstructed by another class with the same name"); } else { out.shouldContain("unreg CustomLoadee3Child"); out.shouldNotContain("[warning]"); } out = TestCommon.exec(appJar, "-Xlog:class+load", "RegUnregSuperApp", variant); TestCommon.checkExec( out, "CustomLoadee3Child source: " + ("reg".equals(variant) ? "file:" : "shared objects file") ); } }