[Modify] Throw exception

2018-05-15 19:37:21 +09:00
parent 0d920d15ee
commit 5d2d5e3568
1 changed files with 6 additions and 2 deletions
--- a/websocket-sharp/Server/WebSocketBehavior.cs
+++ b/websocket-sharp/Server/WebSocketBehavior.cs
@@ -483,7 +483,11 @@ namespace WebSocketSharp.Server
    /// </param>
    protected void Send (FileInfo file)
    {
-      if (_websocket != null)
+      if (_websocket == null) {
+        var msg = "The current state of the connection is not Open.";
+        throw new InvalidOperationException (msg);
+      }
+
      _websocket.Send (file);
    }