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
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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.
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20  * or visit www.oracle.com if you need additional information or have any
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22  */
23 
24 /*
25  * @test
26  * @bug 6411379
27  * @summary NPE from JavacTrees.getPath
28  * @modules jdk.compiler
29  * @build T6411379
30  * @compile -processor T6411379 -proc:only T6411379 T6411379.java
31  */
32 
33 import java.util.Set;
34 import javax.annotation.processing.*;
35 import javax.lang.model.*;
36 import javax.lang.model.element.*;
37 import com.sun.source.tree.*;
38 import com.sun.source.util.*;
39 
40 @SupportedAnnotationTypes("*")
41 public class T6411379 extends AbstractProcessor {
42 
process(Set<? extends TypeElement> annoElems, RoundEnvironment renv)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     @Override
getSupportedSourceVersion()62     public SourceVersion getSupportedSourceVersion() {
63         return SourceVersion.latest();
64     }
65 
checkNull(Object o)66     public void checkNull(Object o) {
67         if (o != null)
68             throw new AssertionError("expected null");
69     }
70 }
71