AnonymousExtendsTest.java revision 3454:f768501b40dd 
1/*
2 * Copyright (c) 2016, 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 8146167
27 * @summary Anonymous type declarations drop supertype type parameter annotations
28 * @run main AnonymousExtendsTest
29 */
30
31import java.lang.annotation.ElementType;
32import java.lang.annotation.Retention;
33import java.lang.annotation.RetentionPolicy;
34import java.lang.annotation.Target;
35import java.lang.reflect.AnnotatedParameterizedType;
36import java.lang.reflect.AnnotatedType;
37import java.util.ArrayList;
38import java.util.Arrays;
39import java.util.List;
40
41@SuppressWarnings({ "javadoc", "serial" })
42public class AnonymousExtendsTest {
43
44    @Target(ElementType.TYPE_USE)
45    @Retention(RetentionPolicy.RUNTIME)
46    public @interface TA {
47        int value();
48    }
49
50    public class TestClass extends @TA(1) ArrayList<@TA(2) List<Number>> {
51    }
52
53    public void testIt() {
54        checkAnnotations(TestClass.class.getAnnotatedSuperclass(),
55              "[@AnonymousExtendsTest$TA(value=1)],[@AnonymousExtendsTest$TA(value=2)]");
56        checkAnnotations(new @TA(3) ArrayList<@TA(4) List<Number>>() {
57                         }.getClass().getAnnotatedSuperclass(),
58              "[@AnonymousExtendsTest$TA(value=3)],[@AnonymousExtendsTest$TA(value=4)]");
59    }
60
61    public void checkAnnotations(AnnotatedType type, String expected) {
62        String actual = Arrays.asList(((AnnotatedParameterizedType) type)
63                                      .getAnnotations())
64                                      .toString()
65                                       + "," +
66                        Arrays.asList(((AnnotatedParameterizedType) type)
67                                       .getAnnotatedActualTypeArguments()[0].getAnnotations())
68                                       .toString();
69
70        if (!actual.equals(expected))
71            throw new AssertionError("Unexpected annotations" + actual);
72    }
73
74    public static void main(String[] args) {
75        new AnonymousExtendsTest().testIt();
76    }
77}