1 /* 2 * Copyright (c) 2020, 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 8228988 8266598 27 * @summary An annotation-typed property of an annotation that is represented as an 28 * incompatible property of another type should yield an AnnotationTypeMismatchException. 29 * @modules java.base/jdk.internal.org.objectweb.asm 30 * @run main AnnotationTypeMismatchTest 31 */ 32 33 import jdk.internal.org.objectweb.asm.AnnotationVisitor; 34 import jdk.internal.org.objectweb.asm.ClassWriter; 35 import jdk.internal.org.objectweb.asm.Opcodes; 36 import jdk.internal.org.objectweb.asm.Type; 37 38 import java.lang.annotation.AnnotationTypeMismatchException; 39 import java.lang.annotation.Retention; 40 import java.lang.annotation.RetentionPolicy; 41 42 public class AnnotationTypeMismatchTest { 43 main(String[] args)44 public static void main(String[] args) throws Exception { 45 /* 46 * @AnAnnotation(value = AnEnum.VALUE) // would now be: value = @Value 47 * class Carrier { } 48 */ 49 ClassWriter writer = new ClassWriter(0); 50 writer.visit(Opcodes.V1_8, 0, "sample/Carrier", null, Type.getInternalName(Object.class), null); 51 AnnotationVisitor v = writer.visitAnnotation(Type.getDescriptor(AnAnnotation.class), true); 52 v.visitEnum("value", Type.getDescriptor(AnEnum.class), "VALUE"); 53 writer.visitEnd(); 54 byte[] b = writer.toByteArray(); 55 ByteArrayClassLoader cl = new ByteArrayClassLoader(AnnotationTypeMismatchTest.class.getClassLoader()); 56 cl.init(b); 57 AnAnnotation sample = cl.loadClass("sample.Carrier").getAnnotation(AnAnnotation.class); 58 try { 59 Value value = sample.value(); 60 throw new IllegalStateException("Found value: " + value); 61 } catch (AnnotationTypeMismatchException e) { 62 if (!e.element().getName().equals("value")) { 63 throw new IllegalStateException("Unexpected element: " + e.element()); 64 } else if (!e.foundType().equals(AnEnum.class.getName() + "." + AnEnum.VALUE.name())) { 65 throw new IllegalStateException("Unexpected type: " + e.foundType()); 66 } 67 } 68 } 69 70 public enum AnEnum { 71 VALUE 72 } 73 74 @Retention(RetentionPolicy.RUNTIME) 75 public @interface AnAnnotation { value()76 Value value() default @Value; 77 } 78 79 public @interface Value { } 80 81 public static class ByteArrayClassLoader extends ClassLoader { 82 ByteArrayClassLoader(ClassLoader parent)83 public ByteArrayClassLoader(ClassLoader parent) { 84 super(parent); 85 } 86 init(byte[] b)87 public void init(byte[] b) { 88 defineClass("sample.Carrier", b, 0, b.length); 89 } 90 } 91 } 92