1 /* 2 * Copyright (c) 2013, 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 /testlibrary 30 * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java 31 * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester 32 * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest 33 */ 34 import jdk.internal.org.objectweb.asm.*; 35 import java.lang.reflect.Constructor; 36 import sun.misc.Unsafe; 37 38 public class InvokeSpecialAnonTest implements Opcodes { 39 40 static byte[] anonClassBytes() throws Exception { 41 ClassWriter cw = new ClassWriter(0); 42 MethodVisitor mv; 43 44 cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null); 45 46 { 47 mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); 48 mv.visitCode(); 49 mv.visitVarInsn(ALOAD, 0); 50 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); 51 mv.visitInsn(RETURN); 52 mv.visitMaxs(2, 2); 53 mv.visitEnd(); 54 } 55 { 56 mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null); 57 mv.visitCode(); 58 mv.visitVarInsn(ALOAD, 0); 59 mv.visitVarInsn(ALOAD, 1); 60 mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I"); 61 mv.visitInsn(IRETURN); 62 mv.visitMaxs(2, 3); 63 mv.visitEnd(); 64 } 65 cw.visitEnd(); 66 67 return cw.toByteArray(); 68 } 69 70 private int privMethod() { return 1234; } 71 72 public static void main(String[] args) throws Exception { 73 Class<?> klass = InvokeSpecialAnonTest.class; 74 try { 75 Class<?> result = AnonTester.defineTest(klass, anonClassBytes()); 76 System.out.println("Passed."); 77 } catch (Exception e) { 78 e.printStackTrace(); 79 throw e; 80 } 81 } 82 } 83 84 85 class AnonTester { 86 private static final Unsafe UNSAFE = Unsafe.getUnsafe(); 87 88 public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception { 89 return UNSAFE.defineAnonymousClass(targetClass, classBytes, null); 90 } 91 }