1 files changed, 10 insertions, 0 deletions
diff --git a/zookeeper-server/src/test/java/org/apache/zookeeper/ClientCnxnSocketTest.java b/zookeeper-server/src/test/java/org/apache/zookeeper/ClientCnxnSocketTest.java
index e707cb332..a6e4c135d 100644
--- a/zookeeper-server/src/test/java/org/apache/zookeeper/ClientCnxnSocketTest.java
+++ b/zookeeper-server/src/test/java/org/apache/zookeeper/ClientCnxnSocketTest.java
@@ -90,4 +90,14 @@ public class ClientCnxnSocketTest {
             assertEquals("Packet len " + length + " is out of range!", e.getMessage());
         }
     }
+
+    @Test
+    public void testClientCanBeClosedWhenNotInitialized() throws IOException {
+        ZKClientConfig clientConfig = new ZKClientConfig();
+        final ClientCnxnSocketNetty clientCnxnSocket = new ClientCnxnSocketNetty(clientConfig);
+        // Should not throw
+        clientCnxnSocket.close();
+        // Call onClosing explicitly since it otherwise won't be invoked without more setup.
+        clientCnxnSocket.onClosing();
+    }
 }