From eda5f38d0b8b22deb3680f054738f9befe5de5a3 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sat, 5 May 2018 20:43:17 +0900
Subject: [PATCH] [Modify] Throw exceptions

---
 websocket-sharp/Server/WebSocketBehavior.cs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/websocket-sharp/Server/WebSocketBehavior.cs b/websocket-sharp/Server/WebSocketBehavior.cs
index 2996e6da..43fe9d29 100644
--- a/websocket-sharp/Server/WebSocketBehavior.cs
+++ b/websocket-sharp/Server/WebSocketBehavior.cs
@@ -399,8 +399,13 @@ namespace WebSocketSharp.Server
     /// </param>
     protected void Error (string message, Exception exception)
     {
-      if (message != null && message.Length > 0)
-        OnError (new ErrorEventArgs (message, exception));
+      if (message == null)
+        throw new ArgumentNullException ("message");
+
+      if (message.Length == 0)
+        throw new ArgumentException ("An empty string.", "message");
+
+      OnError (new ErrorEventArgs (message, exception));
     }
 
     /// <summary>