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