1 /*
   2  * Copyright (c) 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * Create class file using ASM, slightly modified the ASMifier output
  28  */
  29 
  30 import java.lang.annotation.Annotation;
  31 import java.lang.annotation.AnnotationFormatError;
  32 import java.lang.annotation.ElementType;
  33 import java.lang.annotation.Retention;
  34 import java.lang.annotation.RetentionPolicy;
  35 import java.lang.annotation.Target;
  36 import java.util.Arrays;
  37 
  38 import org.testng.annotations.*;
  39 
  40 /*
  41  * @test
  42  * @bug 8158510
  43  * @summary Verify valid annotation
  44  * @modules java.base/jdk.internal.org.objectweb.asm
  45  * @modules java.base/sun.reflect.annotation
  46  * @clean AnnotationWithVoidReturn.class AnnotationWithParameter.class
  47  * @compile -XDignore.symbol.file ClassFileGenerator.java
  48  * @run main ClassFileGenerator
  49  * @run testng AnnotationVerifier
  50  */
  51 
  52 public class AnnotationVerifier {
  53 
  54     @Retention(RetentionPolicy.RUNTIME)
  55     @Target(ElementType.TYPE)
  56     @interface GoodAnnotation {}
  57 
  58     @AnnotationWithParameter
  59     @AnnotationWithVoidReturn
  60     @GoodAnnotation
  61     static class AnnotationHolder {
  62     }
  63 
  64     @Test(expectedExceptions = AnnotationFormatError.class)
  65     public void annotationWithParameter() {
  66         Annotation ann = AnnotationHolder.class.getAnnotation(AnnotationWithParameter.class);
  67         System.out.println(ann);
  68     }
  69 
  70     @Test(expectedExceptions = AnnotationFormatError.class)
  71     public void annotationWithVoidReturn() {
  72         Annotation ann = AnnotationHolder.class.getAnnotation(AnnotationWithVoidReturn.class);
  73         System.out.println(ann);
  74    }
  75 
  76     @Test(expectedExceptions = AnnotationFormatError.class)
  77     public void badAnnotations() {
  78         Annotation[] anns = AnnotationHolder.class.getAnnotations();
  79         System.out.println(Arrays.toString(anns));
  80     }
  81 
  82     @Test(expectedExceptions = AnnotationFormatError.class)
  83     public void goodAnnotation() {
  84         // this annotation is good, but since we parse all annotations in bulk,
  85         // the exception is thrown because of other bad annotations...
  86         Annotation ann = AnnotationHolder.class.getAnnotation(GoodAnnotation.class);
  87         System.out.println(ann);
  88     }
  89 }