From 922cd7e3b4c32d4f2aca03845067684a993b2554 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Mon, 21 Nov 2016 18:01:22 +0900
Subject: [PATCH] [Modify] Throw exceptions

---
 websocket-sharp/WebSocket.cs | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index d10c4c3c..e1d975f7 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -2773,16 +2773,14 @@ namespace WebSocketSharp
     /// </param>
     public void SendAsync (byte[] data, Action<bool> completed)
     {
-      var msg = _readyState.CheckIfAvailable (false, true, false, false) ??
-                CheckSendParameter (data);
-
-      if (msg != null) {
-        _logger.Error (msg);
-        error ("An error has occurred in sending data.", null);
-
-        return;
+      if (_readyState != WebSocketState.Open) {
+        var msg = "The current state of the connection is not Open.";
+        throw new InvalidOperationException (msg);
       }
 
+      if (data == null)
+        throw new ArgumentNullException ("data");
+
       sendAsync (Opcode.Binary, new MemoryStream (data), completed);
     }