1 /*
2 * Copyright (c) 2016, 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 /*
25 * @test
26 * $bug 8087223
27 * @summary Adding constantTag to keep method call consistent with it.
28 * @library /testlibrary
29 * @modules java.base/jdk.internal.org.objectweb.asm
30 * java.base/jdk.internal.misc
31 * java.management
32 * @compile -XDignore.symbol.file IntfMethod.java
33 * @run main/othervm IntfMethod
34 * @run main/othervm -Xint IntfMethod
35 * @run main/othervm -Xcomp IntfMethod
36 */
37
38
39 import jdk.internal.org.objectweb.asm.*;
40 import java.io.FileOutputStream;
41 import java.lang.reflect.InvocationTargetException;
42 import static jdk.internal.org.objectweb.asm.Opcodes.*;
43
44 public class IntfMethod {
45 static byte[] dumpC() {
46 ClassWriter cw = new ClassWriter(0);
47 cw.visit(52, ACC_PUBLIC | ACC_SUPER, "C", null, "java/lang/Object", new String[]{"I"});
48 {
49 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
50 mv.visitCode();
51 mv.visitVarInsn(ALOAD, 0);
52 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
53 mv.visitInsn(RETURN);
54 mv.visitMaxs(1, 1);
55 mv.visitEnd();
56 }
57 {
58 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testSpecialIntf", "()V", null, null);
59 mv.visitCode();
60 mv.visitVarInsn(ALOAD, 0);
61 mv.visitMethodInsn(INVOKESPECIAL, "I", "f1", "()V", /*itf=*/false);
62 mv.visitInsn(RETURN);
63 mv.visitMaxs(1, 1);
64 mv.visitEnd();
65 }
66 {
67 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testStaticIntf", "()V", null, null);
68 mv.visitCode();
69 mv.visitMethodInsn(INVOKESTATIC, "I", "f2", "()V", /*itf=*/false);
70 mv.visitInsn(RETURN);
71 mv.visitMaxs(1, 1);
72 mv.visitEnd();
73 }
74 {
75 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testSpecialClass", "()V", null, null);
76 mv.visitCode();
77 mv.visitVarInsn(ALOAD, 0);
78 mv.visitMethodInsn(INVOKESPECIAL, "C", "f1", "()V", /*itf=*/true);
79 mv.visitInsn(RETURN);
80 mv.visitMaxs(1, 1);
81 mv.visitEnd();
82 }
83
84 {
85 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "f2", "()V", null, null);
86 mv.visitCode();
87 mv.visitInsn(RETURN);
88 mv.visitMaxs(0, 1);
89 mv.visitEnd();
90 }
91 {
92 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testStaticClass", "()V", null, null);
93 mv.visitCode();
94 mv.visitMethodInsn(INVOKESTATIC, "C", "f2", "()V", /*itf=*/true);
95 mv.visitInsn(RETURN);
96 mv.visitMaxs(1, 1);
97 mv.visitEnd();
98 }
99 cw.visitEnd();
100 return cw.toByteArray();
101 }
102
103 static byte[] dumpI() {
104 ClassWriter cw = new ClassWriter(0);
105 cw.visit(52, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "I", null, "java/lang/Object", null);
106 {
107 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "f1", "()V", null, null);
108 mv.visitCode();
109 mv.visitInsn(RETURN);
110 mv.visitMaxs(0, 1);
111 mv.visitEnd();
112 }
113 {
114 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "f2", "()V", null, null);
115 mv.visitCode();
116 mv.visitInsn(RETURN);
117 mv.visitMaxs(0, 1);
118 mv.visitEnd();
119 }
120 cw.visitEnd();
121 return cw.toByteArray();
122 }
123
124 static class CL extends ClassLoader {
125 @Override
126 protected Class<?> findClass(String name) throws ClassNotFoundException {
127 byte[] classFile;
128 switch (name) {
129 case "I": classFile = dumpI(); break;
130 case "C": classFile = dumpC(); break;
131 default:
132 throw new ClassNotFoundException(name);
133 }
134 return defineClass(name, classFile, 0, classFile.length);
135 }
136 }
137
138 public static void main(String[] args) throws Throwable {
139 Class<?> cls = (new CL()).loadClass("C");
140 try (FileOutputStream fos = new FileOutputStream("I.class")) { fos.write(dumpI()); }
141 try (FileOutputStream fos = new FileOutputStream("C.class")) { fos.write(dumpC()); }
142
143 int success = 0;
144 for (String name : new String[] { "testSpecialIntf", "testStaticIntf", "testSpecialClass", "testStaticClass"}) {
145 System.out.printf("%s: ", name);
146 try {
147 cls.getMethod(name).invoke(cls.newInstance());
148 System.out.println("FAILED - ICCE not thrown");
149 } catch (Throwable e) {
150 if (e instanceof InvocationTargetException &&
151 e.getCause() != null && e.getCause() instanceof IncompatibleClassChangeError) {
152 System.out.println("PASSED - expected ICCE thrown");
153 success++;
154 continue;
155 }
156 }
157 }
158 if (success != 4) throw new Exception("Failed to catch ICCE");
159 }
160 }