1 /*
 2  * Copyright (c) 2026, 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  * @summary Test archived flat arrays
28  * @requires vm.cds.write.archived.java.heap
29  * @requires vm.debug
30  * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/cds/appcds
31  * @enablePreview
32  * @modules java.base/jdk.internal.value
33  * @compile ArchivedFlatArrayApp.java ArchivedArrayLayoutsApp.java
34  * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar archived_flat_array.jar ArchivedFlatArrayApp
35  *                                                                                  ArchivedFlatArrayApp$ArchivedData
36  *                                                                                  ArchivedFlatArrayApp$CharPair
37  *                                                                                  ArchivedArrayLayoutsApp
38  *                                                                                  ArchivedArrayLayoutsApp$Point
39  *                                                                                  ArchivedArrayLayoutsApp$ArchivedData
40  * @run main/othervm ArchivedFlatArrayTest
41  */
42 
43 import jdk.test.lib.cds.CDSTestUtils;
44 import jdk.test.lib.process.OutputAnalyzer;
45 import jdk.test.lib.helpers.ClassFileInstaller;
46 
47 public class ArchivedFlatArrayTest {
48 
49     static String appJar = ClassFileInstaller.getJarPath("archived_flat_array.jar");
50     static String mainClass = "ArchivedFlatArrayApp";
51     static String mainClass2 = "ArchivedArrayLayoutsApp";
52 
53     public static void test(String className, String[] classlist) throws Exception {
54         String[] suffix = TestCommon.list("--enable-preview",
55                                           "-Xbootclasspath/a:" + appJar,
56                                           "-XX:ArchiveHeapTestClass=" + className,
57                                           "--add-exports",
58                                           "java.base/jdk.internal.value=ALL-UNNAMED",
59                                           "-Xlog:aot+heap");
60 
61         OutputAnalyzer output = TestCommon.dump(appJar, classlist, suffix);
62         output.shouldHaveExitValue(0);
63         output.shouldContain("Archived field " + className + "::archivedObjects");
64 
65         output = TestCommon.exec(appJar, TestCommon.concat(suffix, className));
66         output.shouldHaveExitValue(0);
67         output.shouldContain("init subgraph " + className);
68         output.shouldContain("Initialized from CDS");
69     }
70 
71     public static void main(String[] args) throws Exception {
72         test(mainClass, TestCommon.list(mainClass, "ArchivedFlatArrayApp$ArchivedData", "ArchivedFlatArrayApp$CharPair"));
73         test(mainClass, TestCommon.list(mainClass2, "ArchivedArrayLayoutsApp$ArchivedData", "ArchivedArrayLayoutsApp$Point"));
74     }
75 }