1/*
2 * Copyright (c) 2013, 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 8026365
27 * @summary Test invokespecial of host class method from an anonymous class
28 * @author  Robert Field
29 * @library /test/lib
30 * @modules java.base/jdk.internal.org.objectweb.asm
31 *          java.base/jdk.internal.misc
32 * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java
33 * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester
34 * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest
35 */
36import jdk.internal.org.objectweb.asm.*;
37import java.lang.reflect.Constructor;
38import jdk.internal.misc.Unsafe;
39
40public class InvokeSpecialAnonTest implements Opcodes {
41
42    static byte[] anonClassBytes() throws Exception {
43        ClassWriter cw = new ClassWriter(0);
44        MethodVisitor mv;
45
46        cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null);
47
48        {
49            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");
53            mv.visitInsn(RETURN);
54            mv.visitMaxs(2, 2);
55            mv.visitEnd();
56        }
57        {
58            mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null);
59            mv.visitCode();
60            mv.visitVarInsn(ALOAD, 0);
61            mv.visitVarInsn(ALOAD, 1);
62            mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I");
63            mv.visitInsn(IRETURN);
64            mv.visitMaxs(2, 3);
65            mv.visitEnd();
66        }
67        cw.visitEnd();
68
69        return cw.toByteArray();
70    }
71
72    private int privMethod() { return 1234; }
73
74    public static void main(String[] args) throws Exception {
75        Class<?> klass = InvokeSpecialAnonTest.class;
76        try {
77           Class<?> result = AnonTester.defineTest(klass, anonClassBytes());
78           System.out.println("Passed.");
79        } catch (Exception e) {
80           e.printStackTrace();
81           throw e;
82        }
83    }
84}
85
86
87class AnonTester {
88    private static final Unsafe UNSAFE = Unsafe.getUnsafe();
89
90    public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception {
91        return UNSAFE.defineAnonymousClass(targetClass, classBytes, null);
92    }
93}
94