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13027
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @bug 8026365
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27 * @summary Test invokespecial of host class method from an anonymous class
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28 * @author Robert Field
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29 * @library /testlibrary
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30 * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java
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31 * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester
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32 * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest
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33 */
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34 import jdk.internal.org.objectweb.asm.*;
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35 import java.lang.reflect.Constructor;
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36 import sun.misc.Unsafe;
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37
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38 public class InvokeSpecialAnonTest implements Opcodes {
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39
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40 static byte[] anonClassBytes() throws Exception {
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41 ClassWriter cw = new ClassWriter(0);
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42 MethodVisitor mv;
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43
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44 cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null);
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45
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46 {
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47 mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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48 mv.visitCode();
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49 mv.visitVarInsn(ALOAD, 0);
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50 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
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51 mv.visitInsn(RETURN);
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52 mv.visitMaxs(2, 2);
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53 mv.visitEnd();
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54 }
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55 {
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56 mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null);
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57 mv.visitCode();
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58 mv.visitVarInsn(ALOAD, 0);
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59 mv.visitVarInsn(ALOAD, 1);
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60 mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I");
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61 mv.visitInsn(IRETURN);
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62 mv.visitMaxs(2, 3);
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63 mv.visitEnd();
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64 }
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65 cw.visitEnd();
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66
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67 return cw.toByteArray();
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68 }
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69
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70 private int privMethod() { return 1234; }
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71
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72 public static void main(String[] args) throws Exception {
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73 Class<?> klass = InvokeSpecialAnonTest.class;
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74 try {
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75 Class<?> result = AnonTester.defineTest(klass, anonClassBytes());
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76 System.out.println("Passed.");
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77 } catch (Exception e) {
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78 e.printStackTrace();
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79 throw e;
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80 }
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81 }
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82 }
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83
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84
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85 class AnonTester {
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86 private static final Unsafe UNSAFE = Unsafe.getUnsafe();
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87
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88 public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception {
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89 return UNSAFE.defineAnonymousClass(targetClass, classBytes, null);
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90 }
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91 }
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