1 /*
 2  * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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24 
25 /*
26  * @test
27  * @summary CDS should fail to load if production time GC flags do not match training run.
28  * @requires vm.flagless
29  * @requires vm.cds.write.archived.java.heap
30  * @library /test/jdk/lib/testlibrary /test/lib
31  * @build OldClass
32  * @build LeydenAndOldClasses
33  * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar AppUsesOldClass OldClass
34  * @run driver LeydenAndOldClasses
35  */
36 
37 import jdk.test.lib.cds.CDSAppTester;
38 import jdk.test.lib.helpers.ClassFileInstaller;
39 import jdk.test.lib.process.OutputAnalyzer;
40 
41 public class LeydenAndOldClasses {
42     static final String appJar = ClassFileInstaller.getJarPath("app.jar");
43     static final String mainClass = "AppUsesOldClass";
44 
45     public static void main(String[] args) throws Exception {
46         {
47           Tester tester = new Tester();
48           tester.run(new String[] {"AOT"} );
49         }
50     }
51 
52     static class Tester extends CDSAppTester {
53         public Tester() {
54             super(mainClass);
55         }
56 
57         @Override
58         public String classpath(RunMode runMode) {
59             return appJar;
60         }
61 
62         @Override
63         public String[] vmArgs(RunMode runMode) {
64             return new String[] {"-Xlog:aot+class=debug", "-Xlog:cds+class=debug"};
65         }
66 
67         @Override
68         public String[] appCommandLine(RunMode runMode) {
69             return new String[] {mainClass};
70         }
71 
72         @Override
73         public void checkExecution(OutputAnalyzer out, RunMode runMode) {
74             if (runMode == RunMode.PRODUCTION) {
75                 out.shouldContain("OldClass@");
76             } else if (isAOTWorkflow() && runMode == RunMode.ASSEMBLY) {
77                 // !!! Leyden Repo Only !!!
78                 // When AOTClassLinking is enabled, we can safely archive old classes. See comments around
79                 // CDSConfig::preserve_all_dumptime_verification_states().
80                 out.shouldMatch("aot,class.* = 0x.* app *OldClass aot-linked");
81             }
82         }
83     }
84 }
85 
86 class AppUsesOldClass {
87     public static void main(String args[]) {
88         System.out.println("Old Class Instance: " + new OldClass());
89     }
90 }