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25 
26 /*
27  * @test
28  * @bug 8147585
29  * @summary Check Annotation with Lambda, with or without parameter
30  * @run testng AnnotationWithLambda
31  */
32 
33 import java.lang.annotation.ElementType;
34 import java.lang.annotation.Retention;
35 import java.lang.annotation.RetentionPolicy;
36 import java.lang.annotation.Target;
37 import java.lang.reflect.Method;
38 import java.util.function.Consumer;
39 
40 import org.testng.annotations.*;
41 import static org.testng.Assert.*;
42 
43 public class AnnotationWithLambda {
44 
45     @Test
testAnnotationWithLambda()46     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
testAnnotationLambda()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