1/*
2 * Copyright (c) 2006, 2015, Oracle and/or its affiliates. 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 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 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
33import java.util.Set;
34import javax.annotation.processing.*;
35import javax.lang.model.*;
36import javax.lang.model.element.*;
37import com.sun.source.tree.*;
38import com.sun.source.util.*;
39
40@SupportedAnnotationTypes("*")
41public 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    @Override
62    public SourceVersion getSupportedSourceVersion() {
63        return SourceVersion.latest();
64    }
65
66    public void checkNull(Object o) {
67        if (o != null)
68            throw new AssertionError("expected null");
69    }
70}
71