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 * @build com.oracle.java.testlibrary.* 31 * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java 32 * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester 33 * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest 34 */ 35 import jdk.internal.org.objectweb.asm.*; 36 import java.lang.reflect.Constructor; 37 import sun.misc.Unsafe; 38 39 public class InvokeSpecialAnonTest implements Opcodes { 40 41 static byte[] anonClassBytes() throws Exception { 42 ClassWriter cw = new ClassWriter(0); 43 MethodVisitor mv; 44 45 cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null); 46 47 { 48 mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); 49 mv.visitCode(); 50 mv.visitVarInsn(ALOAD, 0); 51 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); 52 mv.visitInsn(RETURN); 53 mv.visitMaxs(2, 2); 54 mv.visitEnd(); 55 } 56 { 57 mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null); 58 mv.visitCode(); 59 mv.visitVarInsn(ALOAD, 0); 60 mv.visitVarInsn(ALOAD, 1); 61 mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I"); 62 mv.visitInsn(IRETURN); 63 mv.visitMaxs(2, 3); 64 mv.visitEnd(); 65 } 66 cw.visitEnd(); 67 68 return cw.toByteArray(); 69 } 70 71 private int privMethod() { return 1234; } 72 73 public static void main(String[] args) throws Exception { 74 Class<?> klass = InvokeSpecialAnonTest.class; 75 try { 76 Class<?> result = AnonTester.defineTest(klass, anonClassBytes()); 77 System.out.println("Passed."); 78 } catch (Exception e) { 79 e.printStackTrace(); 80 throw e; 81 } 82 } 83 } 84 85 86 class AnonTester { 87 private static final Unsafe UNSAFE = Unsafe.getUnsafe(); 88 89 public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception { 90 return UNSAFE.defineAnonymousClass(targetClass, classBytes, null); 91 } 92 }