T6458749.java revision 2933:49d207bf704d 
1/*
2 * Copyright (c) 2010, 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 6458749
27 * @summary  TypeParameterElement.getEnclosedElements() throws NPE within javac
28 * @modules java.compiler
29 *          jdk.compiler
30 * @build T6458749
31 * @compile -processor T6458749 -proc:only T6458749.java
32 */
33
34import java.util.Set;
35import javax.annotation.processing.*;
36import javax.lang.model.element.*;
37import javax.lang.model.util.ElementFilter;
38import javax.lang.model.SourceVersion;
39
40@SupportedAnnotationTypes("*")
41public class T6458749<T> extends AbstractProcessor {
42    public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
43        if (!renv.processingOver()) {
44            for(TypeElement e : ElementFilter.typesIn(renv.getRootElements())) {
45                System.out.printf("Element %s:%n", e.toString());
46                try {
47                    for (TypeParameterElement tp : e.getTypeParameters()) {
48                        System.out.printf("Type param %s", tp.toString());
49                        if (! tp.getEnclosedElements().isEmpty()) {
50                            throw new AssertionError("TypeParameterElement.getEnclosedElements() should return empty list");
51                        }
52                    }
53                } catch (NullPointerException npe) {
54                    throw new AssertionError("NPE from TypeParameterElement.getEnclosedElements()", npe);
55                }
56            }
57        }
58        return true;
59    }
60
61    public SourceVersion getSupportedSourceVersion() {
62        return SourceVersion.latest();
63    }
64}
65