Replace Array<T>.Empty with Array.Empty<T>() (#1137)

src/Renci.SshNet.Tests/Classes/Common/ExtensionsTest_Concat.cs

@@ -22,7 +22,7 @@ namespace Renci.SshNet.Tests.Classes.Common
         [TestMethod]
         public void ShouldReturnSecondWhenFirstIsEmpty()
         {
-            var first = Array<byte>.Empty;
+            var first = Array.Empty<byte>();
             var second = CreateBuffer(16);
 
             var actual = Extensions.Concat(first, second);
@@ -47,7 +47,7 @@ namespace Renci.SshNet.Tests.Classes.Common
         public void ShouldReturnFirstWhenSecondIsEmpty()
         {
             var first = CreateBuffer(16);
-            var second = Array<byte>.Empty;
+            var second = Array.Empty<byte>();
 
             var actual = Extensions.Concat(first, second);
 
@@ -101,7 +101,7 @@ namespace Renci.SshNet.Tests.Classes.Common
         [TestCategory("Performance")]
         public void Performance_LargeArray_FirstEmpty()
         {
-            var first = Array<byte>.Empty;
+            var first = Array.Empty<byte>();
             var second = CreateBuffer(50000);
             const int runs = 10000;
 
@@ -115,7 +115,7 @@ namespace Renci.SshNet.Tests.Classes.Common
         public void Performance_LargeArray_SecondEmpty()
         {
             var first = CreateBuffer(50000);
-            var second = Array<byte>.Empty;
+            var second = Array.Empty<byte>();
             const int runs = 10000;
 
             Performance(first, second, runs);

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_ReadAsync_ReadMode_NoDataInReaderBufferAndReadLessBytesFromServerThanCountAndEqualToBufferSize.cs

@@ -138,7 +138,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
         public async Task ReadShouldReturnAllRemaningBytesFromReadBufferAndReadAgainWhenCountIsGreaterThanNumberOfRemainingBytesAndNewReadReturnsZeroBytes()
         {
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
-            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestReadAsync(_handle, (ulong)(_serverData1Length + _serverData2Length), _readBufferSize, default)).ReturnsAsync(Array<byte>.Empty);
+            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestReadAsync(_handle, (ulong)(_serverData1Length + _serverData2Length), _readBufferSize, default)).ReturnsAsync(Array.Empty<byte>());
 
             var numberOfBytesRemainingInReadBuffer = _serverData1Length + _serverData2Length - _numberOfBytesToRead;
 

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_ReadAsync_ReadMode_NoDataInReaderBufferAndReadLessBytesFromServerThanCountAndLessThanBufferSize.cs

@@ -118,7 +118,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
             SftpSessionMock.InSequence(MockSequence)
                 .Setup(p => p.RequestReadAsync(_handle, (ulong) _actual, _readBufferSize, default))
-                .ReturnsAsync(Array<byte>.Empty);
+                .ReturnsAsync(Array.Empty<byte>());
 
             var buffer = _originalBuffer.Copy();
             var actual = await _target.ReadAsync(buffer, 0, buffer.Length);
@@ -136,7 +136,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
             SftpSessionMock.InSequence(MockSequence)
                 .Setup(p => p.RequestReadAsync(_handle, (ulong)_actual, _readBufferSize, default))
-                .ReturnsAsync(Array<byte>.Empty);
+                .ReturnsAsync(Array.Empty<byte>());
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
 
             await _target.ReadAsync(new byte[10], 0, 10);

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_ReadAsync_ReadMode_NoDataInReaderBufferAndReadMoreBytesFromServerThanCount.cs

@@ -124,7 +124,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
         public async Task SubsequentReadShouldReturnAllRemaningBytesFromReadBufferAndReadAgainWhenCountIsGreaterThanNumberOfRemainingBytesAndNewReadReturnsZeroBytes()
         {
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
-            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestReadAsync(_handle, (ulong)(_serverData.Length), _readBufferSize, default)).ReturnsAsync(Array<byte>.Empty);
+            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestReadAsync(_handle, (ulong)(_serverData.Length), _readBufferSize, default)).ReturnsAsync(Array.Empty<byte>());
 
             var buffer = new byte[_numberOfBytesToWriteToReadBuffer + 1];
 

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_Read_ReadMode_NoDataInReaderBufferAndReadLessBytesFromServerThanCountAndEqualToBufferSize.cs

@@ -136,7 +136,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
         public void ReadShouldReturnAllRemaningBytesFromReadBufferAndReadAgainWhenCountIsGreaterThanNumberOfRemainingBytesAndNewReadReturnsZeroBytes()
         {
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
-            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestRead(_handle, (ulong)(_serverData1Length + _serverData2Length), _readBufferSize)).Returns(Array<byte>.Empty);
+            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestRead(_handle, (ulong)(_serverData1Length + _serverData2Length), _readBufferSize)).Returns(Array.Empty<byte>());
 
             var numberOfBytesRemainingInReadBuffer = _serverData1Length + _serverData2Length - _numberOfBytesToRead;
 

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_Read_ReadMode_NoDataInReaderBufferAndReadLessBytesFromServerThanCountAndLessThanBufferSize.cs

@@ -116,7 +116,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
             SftpSessionMock.InSequence(MockSequence)
                 .Setup(p => p.RequestRead(_handle, (ulong) _actual, _readBufferSize))
-                .Returns(Array<byte>.Empty);
+                .Returns(Array.Empty<byte>());
 
             var buffer = _originalBuffer.Copy();
             var actual = _target.Read(buffer, 0, buffer.Length);
@@ -134,7 +134,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
             SftpSessionMock.InSequence(MockSequence)
                 .Setup(p => p.RequestRead(_handle, (ulong)_actual, _readBufferSize))
-                .Returns(Array<byte>.Empty);
+                .Returns(Array.Empty<byte>());
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
 
             _target.Read(new byte[10], 0, 10);

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_Read_ReadMode_NoDataInReaderBufferAndReadMoreBytesFromServerThanCount.cs

@@ -122,7 +122,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
         public void SubsequentReadShouldReturnAllRemaningBytesFromReadBufferAndReadAgainWhenCountIsGreaterThanNumberOfRemainingBytesAndNewReadReturnsZeroBytes()
         {
             SftpSessionMock.InSequence(MockSequence).Setup(p => p.IsOpen).Returns(true);
-            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestRead(_handle, (ulong)(_serverData.Length), _readBufferSize)).Returns(Array<byte>.Empty);
+            SftpSessionMock.InSequence(MockSequence).Setup(p => p.RequestRead(_handle, (ulong)(_serverData.Length), _readBufferSize)).Returns(Array.Empty<byte>());
 
             var buffer = new byte[_numberOfBytesToWriteToReadBuffer + 1];
 

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_SetLength_DataInReadBuffer_NewLengthLessThanPosition.cs

@@ -137,7 +137,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
             SftpSessionMock.InSequence(_sequence).Setup(p => p.IsOpen).Returns(true);
             SftpSessionMock.InSequence(_sequence)
                            .Setup(p => p.RequestRead(_handle, (uint) _length, _readBufferSize))
-                           .Returns(Array<byte>.Empty);
+                           .Returns(Array.Empty<byte>());
 
             var byteRead = _sftpFileStream.ReadByte();
 

src/Renci.SshNet.Tests/Classes/Sftp/SftpFileStreamTest_SetLength_DataInWriteBuffer_NewLengthLessThanPosition.cs

@@ -160,7 +160,7 @@ namespace Renci.SshNet.Tests.Classes.Sftp
             SftpSessionMock.InSequence(_sequence).Setup(p => p.IsOpen).Returns(true);
             SftpSessionMock.InSequence(_sequence)
                            .Setup(p => p.RequestRead(_handle, (uint) _length, _readBufferSize))
-                           .Returns(Array<byte>.Empty);
+                           .Returns(Array.Empty<byte>());
 
             var byteRead = _sftpFileStream.ReadByte();
 

src/Renci.SshNet/Common/Array.cs

@@ -1,7 +0,0 @@
-namespace Renci.SshNet.Common
-{
-    internal static class Array<T>
-    {
-        public static readonly T[] Empty = new T[0];
-    }
-}

src/Renci.SshNet/Common/Extensions.cs

@@ -180,7 +180,7 @@ namespace Renci.SshNet.Common
 
             if (count == 0)
             {
-                return Array<byte>.Empty;
+                return Array.Empty<byte>();
             }
 
             if (offset == 0 && value.Length == count)
@@ -215,7 +215,7 @@ namespace Renci.SshNet.Common
 
             if (count == 0)
             {
-                return Array<byte>.Empty;
+                return Array.Empty<byte>();
             }
 
             if (value.Length == count)

src/Renci.SshNet/Connection/Socks4Connector.cs

@@ -124,7 +124,7 @@ namespace Renci.SshNet.Connection
         {
             if (proxyUser == null)
             {
-                return Array<byte>.Empty;
+                return Array.Empty<byte>();
             }
 
             return Encoding.ASCII.GetBytes(proxyUser);

src/Renci.SshNet/Messages/Authentication/RequestMessageKeyboardInteractive.cs

@@ -1,4 +1,4 @@
-using Renci.SshNet.Common;
+using System;
 
 namespace Renci.SshNet.Messages.Authentication
 {
@@ -44,8 +44,8 @@ namespace Renci.SshNet.Messages.Authentication
         public RequestMessageKeyboardInteractive(ServiceName serviceName, string username)
             : base(serviceName, username, "keyboard-interactive")
         {
-            Language = Array<byte>.Empty;
-            SubMethods = Array<byte>.Empty;
+            Language = Array.Empty<byte>();
+            SubMethods = Array.Empty<byte>();
         }
 
         /// <summary>

src/Renci.SshNet/Messages/Transport/IgnoreMessage.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Globalization;
 using Renci.SshNet.Abstractions;
-using Renci.SshNet.Common;
 
 namespace Renci.SshNet.Messages.Transport
 {
@@ -23,7 +22,7 @@ namespace Renci.SshNet.Messages.Transport
         /// </summary>
         public IgnoreMessage()
         {
-            Data = Array<byte>.Empty;
+            Data = Array.Empty<byte>();
         }
 
         /// <summary>
@@ -71,7 +70,7 @@ namespace Renci.SshNet.Messages.Transport
             if (dataLength > (DataStream.Length - DataStream.Position))
             {
                 DiagnosticAbstraction.Log("SSH_MSG_IGNORE: Length exceeds data bytes, data ignored.");
-                Data = Array<byte>.Empty;
+                Data = Array.Empty<byte>();
             }
             else
             {

src/Renci.SshNet/Sftp/Responses/SftpNameResponse.cs

@@ -1,8 +1,7 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Text;
 
-using Renci.SshNet.Common;
-
 namespace Renci.SshNet.Sftp.Responses
 {
     internal sealed class SftpNameResponse : SftpResponse
@@ -21,7 +20,7 @@ namespace Renci.SshNet.Sftp.Responses
         public SftpNameResponse(uint protocolVersion, Encoding encoding)
             : base(protocolVersion)
         {
-            Files = Array<KeyValuePair<string, SftpFileAttributes>>.Empty;
+            Files = Array.Empty<KeyValuePair<string, SftpFileAttributes>>();
             Encoding = encoding;
         }
 

src/Renci.SshNet/Sftp/SftpSession.cs

@@ -690,7 +690,7 @@ namespace Renci.SshNet.Sftp
                                                   }
                                                   else
                                                   {
-                                                      asyncResult.SetAsCompleted(Array<byte>.Empty, completedSynchronously: false);
+                                                      asyncResult.SetAsCompleted(Array.Empty<byte>(), completedSynchronously: false);
                                                   }
                                               });
             SendRequest(request);
@@ -767,7 +767,7 @@ namespace Renci.SshNet.Sftp
                                                           }
                                                           else
                                                           {
-                                                              data = Array<byte>.Empty;
+                                                              data = Array.Empty<byte>();
                                                           }
 
                                                           _ = wait.Set();
@@ -804,7 +804,7 @@ namespace Renci.SshNet.Sftp
                                                 {
                                                     if (response.StatusCode == StatusCodes.Eof)
                                                     {
-                                                        _ = tcs.TrySetResult(Array<byte>.Empty);
+                                                        _ = tcs.TrySetResult(Array.Empty<byte>());
                                                     }
                                                     else
                                                     {