juneau-core/juneau-core-test/src/test/java/org/apache/juneau/reflection/MethodInfoTest.java

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package org.apache.juneau.reflection;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;
import static org.junit.Assert.*;

import java.lang.annotation.*;

import org.junit.*;

public class MethodInfoTest {

	//====================================================================================================
	// getMethodAnnotation
	//====================================================================================================
	@Test
	public void getMethodAnnotations() throws Exception {
		assertEquals("a1", MethodInfo.of(CI3.class.getMethod("a1")).getAnnotation(TestAnnotation.class).value());
		assertEquals("a2b", MethodInfo.of(CI3.class.getMethod("a2")).getAnnotation(TestAnnotation.class).value());
		assertEquals("a3", MethodInfo.of(CI3.class.getMethod("a3", CharSequence.class)).getAnnotation(TestAnnotation.class).value());
		assertEquals("a4", MethodInfo.of(CI3.class.getMethod("a4")).getAnnotation(TestAnnotation.class).value());
	}

	public static interface CI1 {
		@TestAnnotation("a1")
		void a1();
		@TestAnnotation("a2a")
		void a2();
		@TestAnnotation("a3")
		void a3(CharSequence foo);

		void a4();
	}

	public static class CI2 implements CI1 {
		@Override
		public void a1() {}
		@Override
		@TestAnnotation("a2b")
		public void a2() {}
		@Override
		public void a3(CharSequence s) {}
		@Override
		public void a4() {}
	}

	public static class CI3 extends CI2 {
		@Override
		public void a1() {}
		@Override public void a2() {}
		@Override
		@TestAnnotation("a4")
		public void a4() {}
	}

	@Target(METHOD)
	@Retention(RUNTIME)
	public @interface TestAnnotation {
		String value() default "";
	}


}