Add first test of Future in Java

akka-actor/src/test/java/akka/dispatch/JavaFutureTests.java

@@ -0,0 +1,29 @@
+package akka.dispatch;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+import java.util.concurrent.Callable;
+import scala.runtime.AbstractFunction1;
+import scala.Some;
+import scala.Right;
+import static akka.dispatch.Futures.future;
+
+@SuppressWarnings("unchecked") public class JavaFutureTests {
+
+    @Test public void mustBeAbleToMapAFuture() {
+        Future f1 = future(new Callable<String>() {
+                public String call() {
+                    return "Hello";
+                }
+            });
+
+        Future f2 = f1.map(new AbstractFunction1<String, String>() {
+                public String apply(String s) {
+                    return s + " World";
+                }
+            });
+
+        assertEquals(new Some(new Right("Hello World")), f2.await().value());
+    }
+
+}