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.
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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.
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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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23 */
24
25 /*
26 * @test
27 * @summary Nullable flat fields test for dynamic archive
28 * @requires vm.cds
29 * @requires vm.debug == true
30 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
31 * @enablePreview
32 * @modules java.base/jdk.internal.value
33 * java.base/jdk.internal.vm.annotation
34 * @compile ../test-classes/NullableFlatFieldApp.java
35 * @compile ../../../../../../lib/jdk/test/lib/Asserts.java
36 * @build jdk.test.whitebox.WhiteBox
37 * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar nullable_flat.jar NullableFlatFieldApp
38 * NullableFlatFieldApp$Value0 NullableFlatFieldApp$Container0
39 * NullableFlatFieldApp$Value1a NullableFlatFieldApp$Value1b
40 * NullableFlatFieldApp$Value2a NullableFlatFieldApp$Value2b
41 * NullableFlatFieldApp$Container1 NullableFlatFieldApp$Container2
42 * NullableFlatFieldApp$Value3 NullableFlatFieldApp$Container3
43 * jdk/test/lib/Asserts
44 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
45 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. NullableFlatFieldDynamicTest
46 */
47
48 import jdk.test.lib.helpers.ClassFileInstaller;
49
50 public class NullableFlatFieldDynamicTest extends DynamicArchiveTestBase {
51 public static void main(String[] args) throws Exception {
52 runTest(NullableFlatFieldDynamicTest::test);
53 }
54
55 static void test() throws Exception {
56 String topArchiveName = getNewArchiveName("top");
57 String baseArchiveName = getNewArchiveName("base");
58 TestCommon.dumpBaseArchive(baseArchiveName, "--enable-preview", "-Xlog:cds");
59 doTest(baseArchiveName, topArchiveName);
60 }
61
62 private static void doTest(String baseArchiveName, String topArchiveName) throws Exception {
63 String appJar = ClassFileInstaller.getJarPath("nullable_flat.jar");
64 String mainClass = "NullableFlatFieldApp";
65 dump2(baseArchiveName, topArchiveName,
66 "--enable-preview",
67 "-XX:+UseNullableValueFlattening",
68 "-XX:+UnlockDiagnosticVMOptions",
69 "-XX:+PrintInlineLayout",
70 "-Xlog:cds",
71 "-Xlog:cds+dynamic=debug",
72 "-cp", appJar, mainClass)
73 .assertNormalExit(output -> {
74 output.shouldContain("Written dynamic archive 0x");
75 });
76 run2(baseArchiveName, topArchiveName,
77 "--enable-preview",
78 "-XX:+UseNullableValueFlattening",
79 "-XX:+UnlockDiagnosticVMOptions",
80 "-XX:+PrintInlineLayout",
81 "-Xlog:class+load",
82 "-Xlog:cds+dynamic=debug,cds=debug",
83 "-cp", appJar, mainClass)
84 .assertNormalExit(output -> {
85 output.shouldContain("NullableFlatFieldApp source: shared objects file")
86 .shouldHaveExitValue(0);
87 });
88 }
89 }