From 9dcfc85c1cfd0b070e2becc03ae8659a557fe909 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 9 Mar 2017 15:35:30 +0900
Subject: [PATCH] [Modify] Throw exceptions

---
 websocket-sharp/Server/WebSocketServer.cs | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/websocket-sharp/Server/WebSocketServer.cs b/websocket-sharp/Server/WebSocketServer.cs
index 6621718d..1aa14b9c 100644
--- a/websocket-sharp/Server/WebSocketServer.cs
+++ b/websocket-sharp/Server/WebSocketServer.cs
@@ -1052,15 +1052,21 @@ namespace WebSocketSharp.Server
     )
       where TBehavior : WebSocketBehavior
     {
-      string msg;
-      if (!checkServicePath (path, out msg)) {
-        _log.Error (msg);
-        return;
-      }
+      if (path == null)
+        throw new ArgumentNullException ("path");
 
-      if (initializer == null) {
-        _log.Error ("'initializer' is null.");
-        return;
+      if (initializer == null)
+        throw new ArgumentNullException ("initializer");
+
+      if (path.Length == 0)
+        throw new ArgumentException ("An empty string.", "path");
+
+      if (path[0] != '/')
+        throw new ArgumentException ("Not an absolute path.", "path");
+
+      if (path.IndexOfAny (new[] { '?', '#' }) > -1) {
+        var msg = "It includes either or both query and fragment components.";
+        throw new ArgumentException (msg, "path");
       }
 
       _services.Add<TBehavior> (path, initializer);