1 /*
2 * Copyright (c) 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
21 * questions.
22 *
23 */
24
25 /*
26 * @test
27 * @bug 8353298
28 * @requires vm.cds.supports.aot.class.linking
29 * @comment work around JDK-8345635
30 * @requires !vm.jvmci.enabled
31 * @library /test/lib
32 * @build AOTCacheSupportForCustomLoaders
33 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar AppWithCustomLoaders AppWithCustomLoaders$MyLoader
34 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar cust.jar AppWithCustomLoaders$MyLoadeeA AppWithCustomLoaders$MyLoadeeB
35 * @run driver AOTCacheSupportForCustomLoaders AOT
36 */
37
38 import java.net.URL;
39 import java.net.URLClassLoader;
40 import java.io.File;
41 import jdk.test.lib.cds.SimpleCDSAppTester;
42 import jdk.test.lib.process.OutputAnalyzer;
43
44 public class AOTCacheSupportForCustomLoaders {
45 public static void main(String... args) throws Exception {
46 SimpleCDSAppTester.of("AOTCacheSupportForCustomLoaders")
47 .classpath("app.jar")
48 .addVmArgs("-Xlog:cds+class=debug", "-Xlog:cds")
49 .appCommandLine("AppWithCustomLoaders")
50 .setAssemblyChecker((OutputAnalyzer out) -> {
51 out.shouldMatch("cds,class.*unreg AppWithCustomLoaders[$]MyLoadeeA")
52 .shouldMatch("cds,class.*array \\[LAppWithCustomLoaders[$]MyLoadeeA;");
53 })
54 .setProductionChecker((OutputAnalyzer out) -> {
55 out.shouldContain("Using AOT-linked classes: true");
56 })
57 .runAOTWorkflow();
58 }
59 }
60
61 class AppWithCustomLoaders {
62 public static void main(String args[]) throws Exception {
63 File custJar = new File("cust.jar");
64 URL[] urls = new URL[] {custJar.toURI().toURL()};
65 MyLoader loader = new MyLoader(urls, AppWithCustomLoaders.class.getClassLoader());
66
67 // Test 1: array class of MyLoadeeA (JDK-8353298)
68 Class klass = loader.loadClass("AppWithCustomLoaders$MyLoadeeA");
69 klass.newInstance();
70 }
71
72 public static class MyLoader extends URLClassLoader {
73 public MyLoader(URL[] urls, ClassLoader parent) {
74 super(urls, parent);
75 }
76 }
77
78 public static class MyLoadeeA {
79 static Object[] array1;
80
81 public MyLoadeeA() {
82 if (array1 == null) {
83 test();
84 Object o = array1[0];
85 System.out.println("array1[0] is of class: " + o.getClass());
86 if (!(o instanceof MyLoadeeA)) {
87 throw new RuntimeException("array1[0] should be an instanceof MyLoadeeA");
88 }
89 }
90 }
91
92 static void test() {
93 array1 = new MyLoadeeA[10];
94 for (int i = 0; i < 10; i++) {
95 if ((i % 2) == 0) {
96 array1[i] = new MyLoadeeB();
97 } else {
98 array1[i] = new MyLoadeeA();
99 }
100 }
101 }
102 }
103
104 public static class MyLoadeeB extends MyLoadeeA {}
105 }