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