T6411379.java revision 494:fe17a9dbef03 
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
32import java.util.Set;
33import javax.annotation.processing.*;
34import javax.lang.model.*;
35import javax.lang.model.element.*;
36import com.sun.source.tree.*;
37import com.sun.source.util.*;
38
39@SupportedAnnotationTypes("*")
40public 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}
70