| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8147585 |
| * @summary Check Annotation with Lambda, with or without parameter |
| * @run testng AnnotationWithLambda |
| */ |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.lang.reflect.Method; |
| import java.util.function.Consumer; |
| |
| import org.testng.annotations.*; |
| import static org.testng.Assert.*; |
| |
| public class AnnotationWithLambda { |
| |
| @Test |
| public void testAnnotationWithLambda() { |
| Method[] methods = AnnotationWithLambda.MethodsWithAnnotations.class.getDeclaredMethods(); |
| for (Method method : methods) { |
| assertTrue((method.isAnnotationPresent(LambdaWithParameter.class)) && |
| (method.isAnnotationPresent(LambdaWithoutParameter.class))); |
| |
| } |
| } |
| |
| static class MethodsWithAnnotations { |
| |
| @LambdaWithParameter |
| @LambdaWithoutParameter |
| public void testAnnotationLambda() { |
| } |
| } |
| } |
| |
| @Target(value = ElementType.METHOD) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface LambdaWithParameter { |
| Consumer<Integer> f1 = a -> { |
| System.out.println("lambda has parameter"); |
| }; |
| } |
| |
| @Target(value = ElementType.METHOD) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface LambdaWithoutParameter { |
| Runnable r = () -> System.out.println("lambda without parameter"); |
| } |
| |