1  /*
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   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 8224177
  27  * @summary Test warnings from the annotation processing runtime about malformed supported information from processors.
  28  * @compile TestRepeatedItemsRuntime.java
  29  * @compile/ref=gold_sv_none.out  -XDrawDiagnostics -processor TestRepeatedItemsRuntime -proc:only TestRepeatedItemsRuntime.java
  30  * @compile/ref=auric_current.out -XDrawDiagnostics -processor TestRepeatedItemsRuntime -proc:only -Xlint:processing TestRepeatedItemsRuntime.java
  31  */
  32 
  33 import java.lang.annotation.*;
  34 import java.util.*;
  35 import javax.annotation.processing.*;
  36 import javax.lang.model.SourceVersion;
  37 import javax.lang.model.element.TypeElement;
  38 
  39 /**
  40  * A warning should be issued by the logic in
  41  * javax.annotation.processing.AbstractProcessor for the repeated
  42  * information.  The "Foo" option warnings occur regardless of source
  43  * level. The number of times the Baz annotation type is repeated
  44  * depends on whether or not the source level supports modules.
  45  */
  46 @Quux
  47 public class TestRepeatedItemsRuntime extends AbstractProcessor {
  48 
  49     @Override
  50     public SourceVersion getSupportedSourceVersion() {
  51         return SourceVersion.latest();
  52     }
  53 
  54     @Override 
  55     public Set<String>getSupportedOptions() {
  56         IdentityHashMap<String, Integer> temp = new IdentityHashMap<>();
  57         // Use String constructor for identity map.
  58         temp.put(new String("foo"), 1);
  59         temp.put(new String("foo"), 2);
  60 
  61         var returnValue = temp.keySet();
  62         assert returnValue.size() == 2;
  63         return returnValue;
  64     }
  65 
  66     /**
  67      * Partial implementation of the Set interface with identity
  68      * semantics and predictable iteration order.
  69      *
  70      * The javax.annotation.processing.Processor protocol relies on
  71      * the iterator.
  72      */
  73     private static class ArrayBackedSet implements Set<String> {
  74         private static String[] data = {"Quux",
  75                                         "Quux",
  76                                         "&&&/foo.Bar",
  77                                         "foo.Bar",
  78                                         "foo.Bar",
  79                                         "quux/Quux",
  80                                         "*"};
  81         public ArrayBackedSet() {}
  82 
  83         // Return an iterator of known iteration order so the set warning messages will be predictable.
  84         @Override
  85         public Iterator<String> iterator() {
  86             return Arrays.asList(data).iterator();
  87         }
  88 
  89         @Override
  90         public boolean add(String e) {
  91             throw new UnsupportedOperationException();
  92         }
  93 
  94         @Override
  95         public boolean addAll(Collection<? extends String> c) {
  96             throw new UnsupportedOperationException();
  97         }
  98 
  99         @Override
 100         public void clear() {
 101             throw new UnsupportedOperationException();
 102         }
 103 
 104         @Override
 105         public boolean contains(Object o){
 106             throw new UnsupportedOperationException();
 107         }
 108 
 109         @Override
 110         public boolean containsAll(Collection<?> c) {
 111             throw new UnsupportedOperationException();
 112         }
 113 
 114         @Override
 115         public boolean equals(Object o) {
 116             return o == this;
 117         }
 118 
 119         @Override
 120         public int hashCode() {
 121             int hash = 0;
 122             for (String s : data) {
 123                 hash += s.hashCode();
 124             }
 125             return hash;
 126         }
 127 
 128         @Override
 129         public boolean isEmpty() {
 130             return data.length > 0;
 131         }
 132 
 133         @Override
 134         public boolean remove(Object o) {
 135             throw new UnsupportedOperationException();
 136         }
 137 
 138         @Override
 139         public boolean removeAll(Collection<?> c) {
 140             throw new UnsupportedOperationException();
 141         }
 142 
 143         @Override
 144         public boolean retainAll(Collection<?> c) {
 145             throw new UnsupportedOperationException();
 146         }
 147 
 148         @Override
 149         public int size() {
 150             return data.length;
 151         }
 152 
 153         @Override
 154         public Object[] toArray() {
 155             return data.clone();
 156         }
 157 
 158         @Override
 159         public <T> T[] toArray(T[] a) {
 160             throw new UnsupportedOperationException();
 161         }
 162     }
 163 
 164     @Override 
 165     public Set<String>getSupportedAnnotationTypes() {
 166         return new ArrayBackedSet();
 167     }
 168 
 169     public boolean process(Set<? extends TypeElement> annotations,
 170                            RoundEnvironment roundEnvironment) {
 171         return true;
 172     }
 173 }
 174 
 175 @Retention(RetentionPolicy.RUNTIME)
 176 @interface Quux {
 177 }