1 /*
   2  * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6411379
  27  * @summary NPE from JavacTrees.getPath
  28  * @build T6411379
  29  * @compile -processor T6411379 -proc:only T6411379 T6411379.java
  30  */
  31 
  32 import java.util.Set;
  33 import javax.annotation.processing.*;
  34 import javax.lang.model.*;
  35 import javax.lang.model.element.*;
  36 import com.sun.source.tree.*;
  37 import com.sun.source.util.*;
  38 
  39 @SupportedAnnotationTypes("*")
  40 public class T6411379 extends AbstractProcessor {
  41 
  42     public boolean process(Set<? extends TypeElement> annoElems,
  43                                     RoundEnvironment renv) {
  44         Trees trees = Trees.instance(processingEnv);
  45         for (TypeElement annoElem: annoElems) {
  46             for (Element te: renv.getRootElements()) {
  47                 System.err.println("te: " + te);
  48                 for (AnnotationMirror anno: te.getAnnotationMirrors()) {
  49                     // anno is an annotation on te, not on annoElem,
  50                     // so we expect the following to return null
  51                     // (and not give NPE)
  52                     checkNull(trees.getPath(annoElem, anno));
  53                     checkNull(trees.getTree(annoElem, anno));
  54                 }
  55             }
  56         }
  57         return true;
  58     }
  59 
  60     @Override
  61     public SourceVersion getSupportedSourceVersion() {
  62         return SourceVersion.latest();
  63     }
  64 
  65     public void checkNull(Object o) {
  66         if (o != null)
  67             throw new AssertionError("expected null");
  68     }
  69 }