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 @SupportedSourceVersion(SourceVersion.RELEASE_6)

    41 public class T6411379 extends AbstractProcessor {

    42 

    43     public boolean process(Set<? extends TypeElement> annoElems,

    44                                     RoundEnvironment renv) {

    45         Trees trees = Trees.instance(processingEnv);

    46         for (TypeElement annoElem: annoElems) {

    47             for (Element te: renv.getRootElements()) {

    48                 System.err.println("te: " + te);

    49                 for (AnnotationMirror anno: te.getAnnotationMirrors()) {

    50                     // anno is an annotation on te, not on annoElem,

    51                     // so we expect the following to return null

    52                     // (and not give NPE)

    53                     checkNull(trees.getPath(annoElem, anno));

    54                     checkNull(trees.getTree(annoElem, anno));

    55                 }

    56             }

    57         }

    58         return true;

    59     }

    60 

    61     public void checkNull(Object o) {

    62         if (o != null)

    63             throw new AssertionError("expected null");

    64     }

    65 }