1/*
2 * Copyright (c) 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 8138612
27 * @summary Do not retain declaration annotations on lambda formal parameters
28 * @run main SE5AnnotationsOnLambdaParameters
29 */
30
31import java.lang.annotation.Annotation;
32import java.lang.annotation.Retention;
33import java.lang.annotation.RetentionPolicy;
34import java.lang.reflect.Method;
35
36public class SE5AnnotationsOnLambdaParameters {
37    @Retention(RetentionPolicy.RUNTIME)
38    @interface Annot {}
39
40    interface Runnable {
41        void run(int x);
42    }
43
44    public void run(Runnable r) {}
45
46    public static void main(@Annot String [] args) throws ClassNotFoundException {
47        new SE5AnnotationsOnLambdaParameters().run((@Annot int x) -> { System.out.println(x + args.length); });
48        Class<?> clazz = Class.forName("SE5AnnotationsOnLambdaParameters");
49        for (Method m : clazz.getDeclaredMethods()) {
50            if (m.getName().startsWith("lambda$")) {
51                for (Annotation[] annots : m.getParameterAnnotations()) {
52                    if (annots.length > 0) {
53                        throw new AssertionError("Unexpected annotations on lambda parameters");
54                    }
55                }
56            }
57        }
58    }
59}