1 /*
2 * Copyright (c) 2021, Alibaba Group Holding Limited. 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 * @author Yi Yang
28 * @summary Canonicalizes Foo.class.getModifiers() with interpreter mode
29 * @modules java.base/jdk.internal.misc
30 * @library /test/lib
31 * @enablePreview
32 * @run main/othervm -Xint
33 * -XX:CompileCommand=compileonly,*CanonicalizeGetModifiers.test
34 * compiler.c1.CanonicalizeGetModifiers
35 */
36
37 /*
38 * @test
39 * @author Yi Yang
40 * @summary Canonicalizes Foo.class.getModifiers() with C1 mode
41 * @modules java.base/jdk.internal.misc
42 * @requires vm.compiler1.enabled
43 * @library /test/lib
44 * @enablePreview
45 * @run main/othervm -XX:TieredStopAtLevel=1 -XX:+TieredCompilation
46 * -XX:CompileCommand=compileonly,*CanonicalizeGetModifiers.test
47 * compiler.c1.CanonicalizeGetModifiers
48 */
49
50 /*
51 * @test
52 * @author Yi Yang
53 * @summary Canonicalizes Foo.class.getModifiers() with C2 mode
54 * @modules java.base/jdk.internal.misc
55 * @requires vm.compiler2.enabled
56 * @library /test/lib
57 * @enablePreview
58 * @run main/othervm -XX:-TieredCompilation
59 * -XX:CompileCommand=compileonly,*CanonicalizeGetModifiers.test
60 * compiler.c1.CanonicalizeGetModifiers
61 */
62
63 package compiler.c1;
64
65 import java.lang.reflect.Modifier;
66 import java.lang.reflect.AccessFlag;
67
68 import jdk.test.lib.Asserts;
69 import jdk.internal.misc.PreviewFeatures;
70
71 public class CanonicalizeGetModifiers {
72 public static class T1 {
73 }
74
75 public static final class T2 {
76 }
77
78 private static class T3 {
79 }
80
81 protected static class T4 {
82 }
83
84 class T5 {
85 }
86
87 interface T6 {
88 }
89
90 static void test(Class poison) {
91 Asserts.assertEQ(CanonicalizeGetModifiers.class.getModifiers(), Modifier.PUBLIC | Modifier.IDENTITY);
92 Asserts.assertEQ(T1.class.getModifiers(), Modifier.PUBLIC | Modifier.STATIC | Modifier.IDENTITY);
93 Asserts.assertEQ(T2.class.getModifiers(), Modifier.PUBLIC | Modifier.FINAL | Modifier.STATIC | Modifier.IDENTITY);
94 Asserts.assertEQ(T3.class.getModifiers(), Modifier.PRIVATE | Modifier.STATIC | Modifier.IDENTITY);
95 Asserts.assertEQ(T4.class.getModifiers(), Modifier.PROTECTED | Modifier.STATIC | Modifier.IDENTITY);
96 Asserts.assertEQ(new CanonicalizeGetModifiers().new T5().getClass().getModifiers(), 0/* NONE */ | Modifier.IDENTITY);
97 Asserts.assertEQ(T6.class.getModifiers(), Modifier.ABSTRACT | Modifier.STATIC | Modifier.INTERFACE);
98
99 Asserts.assertEQ(int.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
100 Asserts.assertEQ(long.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
101 Asserts.assertEQ(double.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
102 Asserts.assertEQ(float.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
103 Asserts.assertEQ(char.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
104 Asserts.assertEQ(byte.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
105 Asserts.assertEQ(short.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
106 Asserts.assertEQ(void.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL);
107 Asserts.assertEQ(int[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
108 Asserts.assertEQ(long[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
109 Asserts.assertEQ(double[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
110 Asserts.assertEQ(float[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
111 Asserts.assertEQ(char[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
112 Asserts.assertEQ(byte[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
113 Asserts.assertEQ(short[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
114 Asserts.assertEQ(Object[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
115 Asserts.assertEQ(CanonicalizeGetModifiers[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL | (PreviewFeatures.isEnabled() ? Modifier.IDENTITY : 0));
116
117 Asserts.assertEQ(new CanonicalizeGetModifiers().getClass().getModifiers(), Modifier.PUBLIC | Modifier.IDENTITY);
118 Asserts.assertEQ(new T1().getClass().getModifiers(), Modifier.PUBLIC | Modifier.STATIC | Modifier.IDENTITY);
119 Asserts.assertEQ(new T2().getClass().getModifiers(), Modifier.PUBLIC | Modifier.FINAL | Modifier.STATIC | Modifier.IDENTITY);
120 Asserts.assertEQ(new T3().getClass().getModifiers(), Modifier.PRIVATE | Modifier.STATIC | Modifier.IDENTITY);
121 Asserts.assertEQ(new T4().getClass().getModifiers(), Modifier.PROTECTED | Modifier.STATIC | Modifier.IDENTITY);
122 try {
123 // null_check
124 poison.getModifiers();
125 } catch(NullPointerException npe) {
126 // got it!
127 }
128 }
129
130 public static void main(String... args) {
131 for (int i = 0; i < 10_000; i++) {
132 test(i == 9999 ? null : CanonicalizeGetModifiers.class);
133 }
134 }
135 }