1 /*
2 * Copyright (c) 2022, Red Hat, Inc. All rights reserved.
3 * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 /*
27 * @test
28 * @library /test/lib
29 * @enablePreview
30 * @modules java.base/jdk.internal.misc
31 * @run main/othervm -Xint
32 * -XX:CompileCommand=dontinline,*TestGetModifiers.test
33 * compiler.intrinsics.klass.TestGetModifiers
34 */
35
36 /*
37 * @test
38 * @requires vm.compiler1.enabled
39 * @library /test/lib
40 * @enablePreview
41 * @modules java.base/jdk.internal.misc
42 * @run main/othervm -XX:TieredStopAtLevel=1 -XX:+TieredCompilation
43 * -XX:CompileCommand=dontinline,*TestGetModifiers.test
44 * compiler.intrinsics.klass.TestGetModifiers
45 */
46
47 /*
48 * @test
49 * @requires vm.compiler2.enabled
50 * @library /test/lib
51 * @enablePreview
52 * @modules java.base/jdk.internal.misc
53 * @run main/othervm -XX:-TieredCompilation
54 * -XX:CompileCommand=dontinline,*TestGetModifiers.test
55 * compiler.intrinsics.klass.TestGetModifiers
56 */
57
58 package compiler.intrinsics.klass;
59
60 import static java.lang.classfile.ClassFile.ACC_IDENTITY;
61 import static java.lang.reflect.Modifier.*;
62
63 import jdk.test.lib.Asserts;
64 import jdk.internal.misc.PreviewFeatures;
65
66 public class TestGetModifiers {
67 public static class T1 {
68 }
69
70 public static final class T2 {
71 }
72
73 private static class T3 {
74 }
75
76 protected static class T4 {
77 }
78
79 class T5 {
80 }
81
82 interface T6 {
83 }
84
85 static void test(Class cl, int expectedMods) {
86 for (int i = 0; i < 100_000; i++) {
87 int actualMods = cl.getModifiers();
88 if (actualMods != expectedMods) {
89 throw new IllegalStateException("Error with: " + cl + " : " + actualMods + " vs " + expectedMods);
90 }
91 }
92 }
93
94 public static void main(String... args) {
95 test(T1.class, PUBLIC | STATIC | ACC_IDENTITY);
96 test(T2.class, PUBLIC | FINAL | STATIC | ACC_IDENTITY);
97 test(T3.class, PRIVATE | STATIC | ACC_IDENTITY);
98 test(T4.class, PROTECTED | STATIC | ACC_IDENTITY);
99 test(new TestGetModifiers().new T5().getClass(), ACC_IDENTITY);
100 test(T6.class, ABSTRACT | STATIC | INTERFACE);
101
102 test(int.class, PUBLIC | ABSTRACT | FINAL);
103 test(long.class, PUBLIC | ABSTRACT | FINAL);
104 test(double.class, PUBLIC | ABSTRACT | FINAL);
105 test(float.class, PUBLIC | ABSTRACT | FINAL);
106 test(char.class, PUBLIC | ABSTRACT | FINAL);
107 test(byte.class, PUBLIC | ABSTRACT | FINAL);
108 test(short.class, PUBLIC | ABSTRACT | FINAL);
109 test(void.class, PUBLIC | ABSTRACT | FINAL);
110 test(int[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
111 test(long[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
112 test(double[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
113 test(float[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
114 test(char[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
115 test(byte[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
116 test(short[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
117 test(Object[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
118 test(TestGetModifiers[].class, PUBLIC | ABSTRACT | FINAL | (PreviewFeatures.isEnabled() ? ACC_IDENTITY : 0));
119
120 test(new TestGetModifiers().getClass(), PUBLIC | ACC_IDENTITY);
121 test(new T1().getClass(), PUBLIC | STATIC | ACC_IDENTITY);
122 test(new T2().getClass(), PUBLIC | FINAL | STATIC | ACC_IDENTITY);
123 test(new T3().getClass(), PRIVATE | STATIC | ACC_IDENTITY);
124 test(new T4().getClass(), PROTECTED | STATIC | ACC_IDENTITY);
125 }
126 }