From 654c648ec8c711cbb6ef20108365e8e6e84d2f0d Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Fri, 9 Jun 2017 16:06:35 +0900
Subject: [PATCH] [Modify] It throws exceptions

---
 websocket-sharp/Server/HttpServer.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/websocket-sharp/Server/HttpServer.cs b/websocket-sharp/Server/HttpServer.cs
index 6faffe3a..24991f3b 100644
--- a/websocket-sharp/Server/HttpServer.cs
+++ b/websocket-sharp/Server/HttpServer.cs
@@ -1311,8 +1311,20 @@ namespace WebSocketSharp.Server
     /// <param name="path">
     /// A <see cref="string"/> that represents the virtual path to the file to find.
     /// </param>
+    /// <exception cref="ArgumentNullException">
+    /// <paramref name="path"/> is <see langword="null"/>.
+    /// </exception>
+    /// <exception cref="ArgumentException">
+    /// <paramref name="path"/> is an empty string.
+    /// </exception>
     public byte[] GetFile (string path)
     {
+      if (path == null)
+        throw new ArgumentNullException ("path");
+
+      if (path.Length == 0)
+        throw new ArgumentException ("An empty string.", "path");
+
       path = RootPath + path;
       if (_windows)
         path = path.Replace ("/", "\\");