diff --git a/src/BirdMessenger.Test/HttpClientExtensionTest.cs b/src/BirdMessenger.Test/HttpClientExtensionTest.cs
index f88e251..75617f6 100644
--- a/src/BirdMessenger.Test/HttpClientExtensionTest.cs
+++ b/src/BirdMessenger.Test/HttpClientExtensionTest.cs
@@ -19,67 +19,12 @@ public HttpClientExtensionTest(ITestOutputHelper testOutputHelper)
     {
         _testOutputHelper = testOutputHelper;
     }
-
-    [Fact]
-    public async Task TestTusCreateAndDelAsync()
-    {
-        bool isInovkeOnPreSendRequestAsync = false;
-        using var httpClient = new HttpClient();
-        
-        MetadataCollection dir = new MetadataCollection();
-        dir["filename"] = "fileNameTest";
-        TusCreateRequestOption tusCreateRequestOption = new TusCreateRequestOption()
-        {
-            Endpoint = TusEndpoint,
-            UploadLength = 1000,
-            Metadata = dir,
-            OnPreSendRequestAsync = x =>
-            {
-                _testOutputHelper.WriteLine("OnPreSendRequestAsync is invoked");
-                isInovkeOnPreSendRequestAsync = true;
-                return Task.CompletedTask;
-            }
-        };
-        var resp = await httpClient.TusCreateAsync(tusCreateRequestOption, CancellationToken.None);
-        Assert.Equal(TusVersion.V1_0_0, resp.TusResumableVersion);
-        Assert.True(isInovkeOnPreSendRequestAsync);
-
-        TusDeleteRequestOption tusDeleteRequestOption = new TusDeleteRequestOption()
-        {
-            FileLocation = resp.FileLocation
-        };
-
-        var delResp = await httpClient.TusDeleteAsync(tusDeleteRequestOption, CancellationToken.None);
-        Assert.Equal(TusVersion.V1_0_0, delResp.TusResumableVersion);
-    }
-
-    [Fact]
-    public async Task TestTusCreateArgumentExceptionAsync()
-    {
-        bool isArgumentException = false;
-        try
-        {
-            using var httpClient = new HttpClient();
-            TusCreateRequestOption tusCreateRequestOption = new TusCreateRequestOption()
-            {
-                Endpoint = TusEndpoint,
-                UploadLength = 1000,
-                IsUploadDeferLength = true
-            };
-            var resp = await httpClient.TusCreateAsync(tusCreateRequestOption, CancellationToken.None);
-        }
-        catch (ArgumentException)
-        {
-            isArgumentException = true;
-        }
-
-        Assert.True(isArgumentException);
-    }
+    
 
     [Theory]
     [InlineData(1000)]
     [InlineData(50)]
-    [InlineData(-1)]
+    [InlineData(1)]
     [InlineData(0)]
     public async Task TestTusHeadAsync(long uploadLength)
     {
diff --git a/src/BirdMessenger.Test/TusCreateTest.cs b/src/BirdMessenger.Test/TusCreateTest.cs
new file mode 100644
index 0000000..314f4fb
--- /dev/null
+++ b/src/BirdMessenger.Test/TusCreateTest.cs
@@ -0,0 +1,128 @@
+using System;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using BirdMessenger.Collections;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace BirdMessenger.Test;
+
+public class TusCreateTest
+{
+    private readonly ITestOutputHelper _testOutputHelper;
+    public static Uri TusEndpoint = new Uri("http://localhost:5094/files");
+    
+    public TusCreateTest(ITestOutputHelper testOutputHelper)
+    {
+        _testOutputHelper = testOutputHelper;
+    }
+
+    [Fact]
+    public async Task CreateZoreSizeFile()
+    {
+        bool isInovkeOnPreSendRequestAsync = false;
+
+        using var httpClient = new HttpClient();
+        
+        MetadataCollection dir = new MetadataCollection();
+        dir["filename"] = "fileNameTest";
+        TusCreateRequestOption tusCreateRequestOption = new TusCreateRequestOption()
+        {
+            Endpoint = TusEndpoint,
+            UploadLength = 0,
+            Metadata = dir,
+            OnPreSendRequestAsync = x =>
+            {
+                _testOutputHelper.WriteLine("OnPreSendRequestAsync is invoked");
+                isInovkeOnPreSendRequestAsync = true;
+                return Task.CompletedTask;
+            }
+        };
+        var resp = await httpClient.TusCreateAsync(tusCreateRequestOption, CancellationToken.None);
+        Assert.Equal(TusVersion.V1_0_0, resp.TusResumableVersion);
+        Assert.True(isInovkeOnPreSendRequestAsync);
+    }
+    [Fact]
+    public async Task CreateWithIsUploadDeferLength()
+    {
+        bool isInovkeOnPreSendRequestAsync = false;
+
+        using var httpClient = new HttpClient();
+        
+        MetadataCollection dir = new MetadataCollection();
+        dir["filename"] = "fileNameTest";
+        TusCreateRequestOption tusCreateRequestOption = new TusCreateRequestOption()
+        {
+            Endpoint = TusEndpoint,
+            UploadLength = 0,
+            IsUploadDeferLength = true,
+            Metadata = dir,
+            OnPreSendRequestAsync = x =>
+            {
+                _testOutputHelper.WriteLine("OnPreSendRequestAsync is invoked");
+                isInovkeOnPreSendRequestAsync = true;
+                return Task.CompletedTask;
+            }
+        };
+        var resp = await httpClient.TusCreateAsync(tusCreateRequestOption, CancellationToken.None);
+        Assert.Equal(TusVersion.V1_0_0, resp.TusResumableVersion);
+        Assert.True(isInovkeOnPreSendRequestAsync);
+    }
+    [Fact]
+    public async Task TestTusCreateAndDelAsync()
+    {
+        bool isInovkeOnPreSendRequestAsync = false;
+        using var httpClient = new HttpClient();
+        
+        MetadataCollection dir = new MetadataCollection();
+        dir["filename"] = "fileNameTest";
+        TusCreateRequestOption tusCreateRequestOption = new TusCreateRequestOption()
+        {
+            Endpoint = TusEndpoint,
+            UploadLength = 1000,
+            Metadata = dir,
+            OnPreSendRequestAsync = x =>
+            {
+                _testOutputHelper.WriteLine("OnPreSendRequestAsync is invoked");
+                isInovkeOnPreSendRequestAsync = true;
+                return Task.CompletedTask;
+            }
+        };
+        var resp = await httpClient.TusCreateAsync(tusCreateRequestOption, CancellationToken.None);
+        Assert.Equal(TusVersion.V1_0_0, resp.TusResumableVersion);
+        Assert.True(isInovkeOnPreSendRequestAsync);
+
+        TusDeleteRequestOption tusDeleteRequestOption = new TusDeleteRequestOption()
+        {
+            FileLocation = resp.FileLocation
+        };
+
+        var delResp = await httpClient.TusDeleteAsync(tusDeleteRequestOption, CancellationToken.None);
+        Assert.Equal(TusVersion.V1_0_0, delResp.TusResumableVersion);
+    }
+
+    [Fact]
+    public async Task TestTusCreateArgumentExceptionAsync()
+    {
+        bool isArgumentException = false;
+        try
+        {
+            using var httpClient = new HttpClient();
+            TusCreateRequestOption tusCreateRequestOption = new TusCreateRequestOption()
+            {
+                Endpoint = TusEndpoint,
+                UploadLength = 1000,
+                IsUploadDeferLength = true
+            };
+            var resp = await httpClient.TusCreateAsync(tusCreateRequestOption, CancellationToken.None);
+        }
+        catch (ArgumentException)
+        {
+            isArgumentException = true;
+        }
+
+        Assert.True(isArgumentException);
+    }
+
+}
\ No newline at end of file