From 379545c1aeceda4127899377596af544a3b9c981 Mon Sep 17 00:00:00 2001
From: Rambalac <rambalac+github@gmail.com>
Date: Tue, 28 Mar 2017 02:09:15 +0900
Subject: [PATCH] Small refactoring

---
 amazon-clouddrive-dokan/SmallFileBlockStream.cs       | 11 +++++------
 .../Cloud.DokanNet.Tests.csproj                       |  4 ++++
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/amazon-clouddrive-dokan/SmallFileBlockStream.cs b/amazon-clouddrive-dokan/SmallFileBlockStream.cs
index 799b769..67c4b89 100644
--- a/amazon-clouddrive-dokan/SmallFileBlockStream.cs
+++ b/amazon-clouddrive-dokan/SmallFileBlockStream.cs
@@ -120,14 +120,13 @@ public override async Task<int> Read(long position, byte[] buffer, int offset, i
                     try
                     {
                         stream.Position = position;
-                        if (downloader == null)
+                        var toread = (int)Math.Min(count, (downloader?.Downloaded ?? item.Length) - position);
+                        if (toread < 0)
                         {
-                            red = await stream.ReadAsync(buffer, offset, (int)Math.Min(count, item.Length - position), timeoutcancel.Token);
-                        }
-                        else
-                        {
-                            red = await stream.ReadAsync(buffer, offset, (int)Math.Min(count, downloader.Downloaded - position), timeoutcancel.Token);
+                            Log.ErrorTrace("toread less than zero:" + item.Name);
                         }
+
+                        red = await stream.ReadAsync(buffer, offset, toread, timeoutcancel.Token);
                     }
                     finally
                     {
diff --git a/amazon-clouddrive-dokanTests/Cloud.DokanNet.Tests.csproj b/amazon-clouddrive-dokanTests/Cloud.DokanNet.Tests.csproj
index 23c0df3..0a778fe 100644
--- a/amazon-clouddrive-dokanTests/Cloud.DokanNet.Tests.csproj
+++ b/amazon-clouddrive-dokanTests/Cloud.DokanNet.Tests.csproj
@@ -100,6 +100,10 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\AmazonCloudDriveApi\AmazonCloudDriveApi\AmazonCloudDriveApi.csproj">
+      <Project>{2C611335-3D92-492F-B3EB-2CF3955F63A1}</Project>
+      <Name>AmazonCloudDriveApi</Name>
+    </ProjectReference>
     <ProjectReference Include="..\amazon-clouddrive-dokan\Cloud.DokanNet.csproj">
       <Project>{213AA535-DB16-4CF9-B3F1-324FF9347F8D}</Project>
       <Name>Cloud.DokanNet</Name>