1 /*
2 * Copyright (c) 2015, 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 * @compile -XDignore.symbol.file IntfMethod.java
29 * @run main/othervm IntfMethod
30 * @run main/othervm -Xint IntfMethod
31 * @run main/othervm -Xcomp IntfMethod
32 */
33
34
35 import jdk.internal.org.objectweb.asm.*;
36 import java.io.FileOutputStream;
37 import java.lang.reflect.InvocationTargetException;
38 import static jdk.internal.org.objectweb.asm.Opcodes.*;
39
40 public class IntfMethod {
41 static byte[] dumpC() {
42 ClassWriter cw = new ClassWriter(0);
43 cw.visit(52, ACC_PUBLIC | ACC_SUPER, "C", null, "java/lang/Object", new String[]{"I"});
44 {
45 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
46 mv.visitCode();
47 mv.visitVarInsn(ALOAD, 0);
48 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
49 mv.visitInsn(RETURN);
50 mv.visitMaxs(1, 1);
51 mv.visitEnd();
52 }
53 {
54 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testSpecialIntf", "()V", null, null);
55 mv.visitCode();
56 mv.visitVarInsn(ALOAD, 0);
57 mv.visitMethodInsn(INVOKESPECIAL, "I", "f1", "()V", /*itf=*/false);
58 mv.visitInsn(RETURN);
59 mv.visitMaxs(1, 1);
60 mv.visitEnd();
61 }
62 {
63 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testStaticIntf", "()V", null, null);
64 mv.visitCode();
65 mv.visitMethodInsn(INVOKESTATIC, "I", "f2", "()V", /*itf=*/false);
66 mv.visitInsn(RETURN);
67 mv.visitMaxs(1, 1);
68 mv.visitEnd();
69 }
70 {
71 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testSpecialClass", "()V", null, null);
72 mv.visitCode();
73 mv.visitVarInsn(ALOAD, 0);
74 mv.visitMethodInsn(INVOKESPECIAL, "C", "f1", "()V", /*itf=*/true);
75 mv.visitInsn(RETURN);
76 mv.visitMaxs(1, 1);
77 mv.visitEnd();
78 }
79
80 {
81 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "f2", "()V", null, null);
82 mv.visitCode();
83 mv.visitInsn(RETURN);
84 mv.visitMaxs(0, 1);
85 mv.visitEnd();
86 }
87 {
88 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "testStaticClass", "()V", null, null);
89 mv.visitCode();
90 mv.visitMethodInsn(INVOKESTATIC, "C", "f2", "()V", /*itf=*/true);
91 mv.visitInsn(RETURN);
92 mv.visitMaxs(1, 1);
93 mv.visitEnd();
94 }
95 cw.visitEnd();
96 return cw.toByteArray();
97 }
98
99 static byte[] dumpI() {
100 ClassWriter cw = new ClassWriter(0);
101 cw.visit(52, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "I", null, "java/lang/Object", null);
102 {
103 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "f1", "()V", null, null);
104 mv.visitCode();
105 mv.visitInsn(RETURN);
106 mv.visitMaxs(0, 1);
107 mv.visitEnd();
108 }
109 {
110 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "f2", "()V", null, null);
111 mv.visitCode();
112 mv.visitInsn(RETURN);
113 mv.visitMaxs(0, 1);
114 mv.visitEnd();
115 }
116 cw.visitEnd();
117 return cw.toByteArray();
118 }
119
120 static class CL extends ClassLoader {
121 @Override
122 protected Class<?> findClass(String name) throws ClassNotFoundException {
123 byte[] classFile;
124 switch (name) {
125 case "I": classFile = dumpI(); break;
126 case "C": classFile = dumpC(); break;
127 default:
128 throw new ClassNotFoundException(name);
129 }
130 return defineClass(name, classFile, 0, classFile.length);
131 }
132 }
133
134 public static void main(String[] args) throws Throwable {
135 Class<?> cls = (new CL()).loadClass("C");
136 try (FileOutputStream fos = new FileOutputStream("I.class")) { fos.write(dumpI()); }
137 try (FileOutputStream fos = new FileOutputStream("C.class")) { fos.write(dumpC()); }
138
139 for (String name : new String[] { "testSpecialIntf", "testStaticIntf", "testSpecialClass", "testStaticClass"}) {
140 System.out.printf("%s: ", name);
141 try {
142 cls.getMethod(name).invoke(cls.newInstance());
143 System.out.println("FAILED");
144 throw new Exception("Failed to create ICCE");
145 } catch (Throwable e) {
146 if (e instanceof InvocationTargetException &&
147 e.getCause() != null && e.getCause() instanceof IncompatibleClassChangeError) {
148 System.out.println("PASSED");
149 continue;
150 } else {
151 throw e;
152 }
153 }
154 }
155 }
156 }