diff --git a/test/ThriftTest.thrift b/test/ThriftTest.thrift
index 9056465..a549fa7 100644
--- a/test/ThriftTest.thrift
+++ b/test/ThriftTest.thrift
@@ -90,6 +90,9 @@
   /* Multiple exceptions specifier */
 
   Xtruct testMultiException(string arg0, string arg1) throws(Xception err1, Xception2 err2)
+
+  /* Test async void */
+  async void testAsync(1:i32 secondsToSleep)
 }
 
 service SecondService
diff --git a/test/cpp/src/TestClient.cpp b/test/cpp/src/TestClient.cpp
index 9b350b0..2b8cced 100644
--- a/test/cpp/src/TestClient.cpp
+++ b/test/cpp/src/TestClient.cpp
@@ -430,6 +430,19 @@
       printf("  exception\nFAILURE\n");
     }
 
+    /* test async void */
+    {
+        printf("testClient.testAsync(3) =>");
+        uint64_t startAsync = now();
+        testClient.testAsync(3);
+        uint64_t elapsed = now() - startAsync;
+        if (elapsed > 200 * 1000) { // 0.2 seconds
+            printf("  FAILURE - took %.2f ms\n", (double)elapsed/1000.0);
+        } else {
+            printf("  success - took %.2f ms\n", (double)elapsed/1000.0);
+        }
+    }
+
     uint64_t stop = now();
     uint64_t tot = stop-start;
 
diff --git a/test/cpp/src/TestServer.cpp b/test/cpp/src/TestServer.cpp
index 773225e..14a8a8e 100644
--- a/test/cpp/src/TestServer.cpp
+++ b/test/cpp/src/TestServer.cpp
@@ -255,6 +255,12 @@
       return;
     }
   }
+
+  void testAsync(int sleepFor) {
+    printf("testAsync(%d): Sleeping...\n", sleepFor);
+    sleep(sleepFor);
+    printf("testAsync(%d): done sleeping!\n", sleepFor);
+  }
 };
 
 int main(int argc, char **argv) {
diff --git a/test/java/src/TestClient.java b/test/java/src/TestClient.java
index 85aac9e..4e0482a 100644
--- a/test/java/src/TestClient.java
+++ b/test/java/src/TestClient.java
@@ -357,6 +357,22 @@
         }
         System.out.print("}\n");
 
+        // Test async
+        System.out.print("testAsync(3)...");
+        long startAsync = System.nanoTime();
+        testClient.testAsync(3);
+        long asyncElapsedMillis = (System.nanoTime() - startAsync) / 1000000;
+        if (asyncElapsedMillis > 200) {
+          throw new Exception("Async test failed: took " +
+                              Long.toString(asyncElapsedMillis) +
+                              "ms");
+        } else {
+          System.out.println("Success - took " +
+                             Long.toString(asyncElapsedMillis) +
+                             "ms");
+        }
+
+
         long stop = System.nanoTime();
         long tot = stop-start;
 
diff --git a/test/java/src/TestServer.java b/test/java/src/TestServer.java
index 21003b1..92fd4d2 100644
--- a/test/java/src/TestServer.java
+++ b/test/java/src/TestServer.java
@@ -234,6 +234,17 @@
       return result;
     }
 
+    public void testAsync(int sleepFor) {
+      System.out.println("testAsync(" + Integer.toString(sleepFor) +
+                         ") => sleeping...");
+      try {
+        Thread.sleep(sleepFor * 1000);
+        System.out.println("Done sleeping!");
+      } catch (InterruptedException ie) {
+        throw new RuntimeException(ie);
+      }
+    }
+
   } // class TestHandler
 
   public static void main(String [] args) {