Removed the static declarations from the FileVersionInfo factories.

Author: Kormos Tamás

src/TestableIO.System.IO.Abstractions.TestingHelpers/MockFileVersionInfoFactory.cs

@@ -1,35 +1,24 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace System.IO.Abstractions.TestingHelpers
+namespace System.IO.Abstractions.TestingHelpers
 {
     /// <inheritdoc />
 #if FEATURE_SERIALIZABLE
     [Serializable]
 #endif
     public class MockFileVersionInfoFactory : IFileVersionInfoFactory
     {
-        private static IMockFileDataAccessor mockFileSystem;
+        private readonly IMockFileDataAccessor mockFileSystem;
 
         /// <inheritdoc />
         public MockFileVersionInfoFactory(IMockFileDataAccessor mockFileSystem)
         {
-            MockFileVersionInfoFactory.mockFileSystem = mockFileSystem ?? throw new ArgumentNullException(nameof(mockFileSystem));
+            this.mockFileSystem = mockFileSystem ?? throw new ArgumentNullException(nameof(mockFileSystem));
         }
 
         /// <inheritdoc />
         public IFileSystem FileSystem => mockFileSystem;
 
-        IFileVersionInfo IFileVersionInfoFactory.GetVersionInfo(string fileName)
-        {
-            return GetVersionInfo(fileName);
-        }
-
-        /// <inheritdoc cref="Diagnostics.FileVersionInfo.GetVersionInfo(string)" />
-        public static IFileVersionInfo GetVersionInfo(string fileName)
+        /// <inheritdoc />
+        public IFileVersionInfo GetVersionInfo(string fileName)
         {
             MockFileData mockFileData = mockFileSystem.GetFile(fileName);
 

src/TestableIO.System.IO.Abstractions.Wrappers/FileVersionInfoFactory.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace System.IO.Abstractions
+namespace System.IO.Abstractions
 {
 #if FEATURE_SERIALIZABLE
     [Serializable]
@@ -22,16 +16,11 @@ public FileVersionInfoFactory(IFileSystem fileSystem)
         /// <inheritdoc />
         public IFileSystem FileSystem => fileSystem;
 
-        IFileVersionInfo IFileVersionInfoFactory.GetVersionInfo(string fileName)
-        {
-            return GetVersionInfo(fileName);
-        }
-
-        /// <inheritdoc cref="Diagnostics.FileVersionInfo.GetVersionInfo(string)" />
-        public static IFileVersionInfo GetVersionInfo(string fileName)
+        /// <inheritdoc />
+        public IFileVersionInfo GetVersionInfo(string fileName)
         {
             Diagnostics.FileVersionInfo fileVersionInfo = Diagnostics.FileVersionInfo.GetVersionInfo(fileName);
-            
+
             return new FileVersionInfoWrapper(fileVersionInfo);
         }
     }