Merge pull request #9567 from alimate/BAEL-4275

BAEL-4275: The Stack-Walking API for Currently Executing Method

core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/currentmethod/CurrentExecutingMethodUnitTest.java

@@ -0,0 +1,23 @@
+package com.baeldung.java9.currentmethod;
+
+import org.junit.Test;
+
+import java.util.Optional;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class CurrentExecutingMethodUnitTest {
+
+    @Test
+    public void givenJava9_whenWalkingTheStack_thenFindMethod() {
+        StackWalker walker = StackWalker.getInstance();
+        Optional<String> methodName = walker.walk(frames -> frames
+          .findFirst()
+          .map(StackWalker.StackFrame::getMethodName)
+        );
+
+        assertTrue(methodName.isPresent());
+        assertEquals("givenJava9_whenWalkingTheStack_thenFindMethod", methodName.get());
+    }
+}