+act #3770 Added Java 8 friendly APIs for Actor and FSM

akka-samples/akka-sample-java8/src/test/java/sample/SampleActorTest.java

@@ -0,0 +1,52 @@
+package sample;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import akka.testkit.JavaTestKit;
+import sample.java8.SampleActor;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class SampleActorTest {
+
+  static ActorSystem system;
+
+  @BeforeClass
+  public static void setup() {
+    system = ActorSystem.create("SampleActorTest");
+  }
+
+  @AfterClass
+  public static void tearDown() {
+    JavaTestKit.shutdownActorSystem(system);
+    system = null;
+  }
+
+  @Test
+  public void testSampleActor()
+  {
+    new JavaTestKit(system) {{
+      final ActorRef subject = system.actorOf(Props.create(SampleActor.class), "sample-actor");
+      final ActorRef probeRef = getRef();
+
+      subject.tell(47.11, probeRef);
+      subject.tell("and no guard in the beginning", probeRef);
+      subject.tell("guard is a good thing", probeRef);
+      subject.tell(47.11, probeRef);
+      subject.tell(4711, probeRef);
+      subject.tell("and no guard in the beginning", probeRef);
+      subject.tell(4711, probeRef);
+      subject.tell("and an unmatched message", probeRef);
+
+      expectMsgEquals(47.11);
+      assertTrue(expectMsgClass(String.class).startsWith("startsWith(guard):"));
+      assertTrue(expectMsgClass(String.class).startsWith("contains(guard):"));
+      expectMsgEquals(47110);
+      expectNoMsg();
+    }};
+  }
+}