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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26/*
27 * @test
28 * @bug 8147585
29 * @summary Check Annotation with Lambda, with or without parameter
30 * @run testng AnnotationWithLambda
31 */
32
33import java.lang.annotation.ElementType;
34import java.lang.annotation.Retention;
35import java.lang.annotation.RetentionPolicy;
36import java.lang.annotation.Target;
37import java.lang.reflect.Method;
38import java.util.function.Consumer;
39
40import org.testng.annotations.*;
41import static org.testng.Assert.*;
42
43public class AnnotationWithLambda {
44
45    @Test
46    public void testAnnotationWithLambda() {
47        Method[] methods = AnnotationWithLambda.MethodsWithAnnotations.class.getDeclaredMethods();
48        for (Method method : methods) {
49            assertTrue((method.isAnnotationPresent(LambdaWithParameter.class)) &&
50                       (method.isAnnotationPresent(LambdaWithoutParameter.class)));
51
52        }
53    }
54
55    static class MethodsWithAnnotations {
56
57        @LambdaWithParameter
58        @LambdaWithoutParameter
59        public void testAnnotationLambda() {
60        }
61    }
62}
63
64@Target(value = ElementType.METHOD)
65@Retention(RetentionPolicy.RUNTIME)
66@interface LambdaWithParameter {
67    Consumer<Integer> f1 = a -> {
68        System.out.println("lambda has parameter");
69    };
70}
71
72@Target(value = ElementType.METHOD)
73@Retention(RetentionPolicy.RUNTIME)
74@interface LambdaWithoutParameter {
75    Runnable r = () -> System.out.println("lambda without parameter");
76}
77
78