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 import java.io.Serializable;
25 import java.lang.invoke.MethodHandles;
26
27 import jdk.internal.value.ValueClass;
28 import jdk.test.lib.helpers.StrictInit;
29 import org.junit.jupiter.api.BeforeAll;
30 import org.junit.jupiter.api.Test;
31 import sun.reflect.ReflectionFactory;
32
33 import static org.junit.jupiter.api.Assertions.*;
34
35 /*
36 * @test
37 * @bug 8137058 8164908 8168980 8275137 8333796
38 * @summary Basic test for the unsupported ReflectionFactory
39 * @modules jdk.unsupported
40 * @modules java.base/jdk.internal.value
41 * @enablePreview
42 * @library /test/lib
43 * @build ${test.main.class}
44 * @run driver jdk.test.lib.helpers.StrictProcessor
45 * ReflectionFactoryPreviewTest$StrictSerializableChild
46 * @run junit ${test.main.class}
47 */
48
49 public class ReflectionFactoryPreviewTest {
50
51 // Initialized by init()
52 static ReflectionFactory factory;
53
54 @BeforeAll
55 static void init() {
56 factory = ReflectionFactory.getReflectionFactory();
57 }
58
59 abstract static value class AvcSuperType {
60 int bar;
61
62 static {
63 var f = assertDoesNotThrow(() -> AvcSuperType.class.getDeclaredField("bar"));
64 assertTrue(f.isStrictInit());
65 }
66
67 AvcSuperType(int bar) {
68 this.bar = bar;
69 }
70
71 AvcSuperType() {
72 this(42);
73 }
74 }
75
76 static class SerializableChild extends AvcSuperType implements Serializable {}
77
78 static class StrictSerializableChild extends AvcSuperType implements Serializable {
79 @StrictInit int baz;
80
81 static {
82 var f = assertDoesNotThrow(() -> StrictSerializableChild.class.getDeclaredField("baz"));
83 assertTrue(f.isStrictInit());
84 }
85
86 StrictSerializableChild(int baz) {
87 this.baz = baz;
88 super();
89 }
90
91 StrictSerializableChild() {
92 this(76);
93 }
94 }
95
96 @Test
97 void checkNewConstructor() throws Exception {
98 MethodHandles.lookup().ensureInitialized(StrictSerializableChild.class);
99 assertNull(factory.newConstructorForSerialization(Integer.class));
100 assertNull(factory.newConstructorForSerialization(AvcSuperType.class));
101 assertSame(AvcSuperType.class, factory.newConstructorForSerialization(SerializableChild.class).getDeclaringClass());
102 assertNull(factory.newConstructorForSerialization(StrictSerializableChild.class));
103
104 assertThrows(UnsupportedOperationException.class, () ->
105 factory.newConstructorForSerialization(Integer.class, Number.class.getDeclaredConstructor()));
106 assertTrue(ValueClass.hasStrictInstanceField(StrictSerializableChild.class));
107 var avcCtor = AvcSuperType.class.getDeclaredConstructor();
108 assertThrows(UnsupportedOperationException.class, () ->
109 factory.newConstructorForSerialization(StrictSerializableChild.class, avcCtor));
110 assertSame(AvcSuperType.class, factory.newConstructorForSerialization(SerializableChild.class, avcCtor).getDeclaringClass());
111
112 assertThrows(UnsupportedOperationException.class, () ->
113 factory.newConstructorForSerialization(AvcSuperType.class, Object.class.getDeclaredConstructor()));
114 }
115 }