1 /*
 2  * Copyright (c) 2023, 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 id=aot
27  * @requires vm.cds.write.archived.java.heap
28  * @library /test/jdk/lib/testlibrary /test/lib
29  * @build LeydenReflection
30  * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar LeydenReflectionApp
31  * @run driver LeydenReflection AOT
32  */
33 
34 import java.lang.reflect.Method;
35 import jdk.test.lib.cds.CDSAppTester;
36 import jdk.test.lib.helpers.ClassFileInstaller;
37 import jdk.test.lib.process.OutputAnalyzer;
38 
39 public class LeydenReflection {
40     static final String appJar = ClassFileInstaller.getJarPath("app.jar");
41     static final String mainClass = "LeydenReflectionApp";
42 
43     public static void main(String[] args) throws Exception {
44         Tester t = new Tester();
45         t.run(args);
46     }
47 
48     static class Tester extends CDSAppTester {
49         public Tester() {
50             super(mainClass);
51         }
52 
53         @Override
54         public String classpath(RunMode runMode) {
55             return appJar;
56         }
57 
58         @Override
59         public String[] appCommandLine(RunMode runMode) {
60             return new String[] {
61                 mainClass, runMode.name()
62             };
63         }
64 
65         @Override
66         public void checkExecution(OutputAnalyzer out, RunMode runMode) {
67             if (runMode.isApplicationExecuted()) {
68                 out.shouldContain("Hello Leyden Reflection " + runMode.name());
69             }
70 
71             if (runMode == RunMode.ASSEMBLY) {
72               out.shouldContain("Generate ReflectionData: LeydenReflectionApp");
73               out.shouldContain("Generate ReflectionData: java.util.Random");
74             }
75         }
76     }
77 }
78 
79 class LeydenReflectionApp {
80     public static void main(String args[]) throws Exception {
81         // Random.<clinit> calls Random.class.getDeclaredField("seed")
82         Object x = new java.util.Random();
83 
84         Method m = LeydenReflectionApp.class.getDeclaredMethod("sayHello", String.class);
85         m.invoke(null, args[0]);
86     }
87 
88     static void sayHello(String s) {
89         System.out.println("Hello Leyden Reflection " + s);
90     }
91 }