Updated to TempDir usage.

Author: Sven Erb

ReaderWriter/UnitTests/TempDir.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace OpenVectorFormat.ReaderWriter.UnitTests
+{
+    public class TempDir : IDisposable
+    {
+        private string path;
+        private bool disposedValue;
+
+        public TempDir()
+        {
+            path = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+            Directory.CreateDirectory(path);
+        }
+
+        public override string ToString() => path;
+
+        public static implicit operator string(TempDir tDir) => tDir.path;
+        public static implicit operator DirectoryInfo(TempDir tDir) => new DirectoryInfo(tDir.path);
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                if (disposing)
+                {
+                    // TODO: dispose managed state (managed objects)
+                }
+
+                try
+                {
+                    Directory.Delete(path, true);
+                }
+                catch
+                {
+                    //wait shortly to give concurrent threads etc. the chance to release the files
+                    Thread.Sleep(100);
+                    try
+                    {
+                        Directory.Delete(path, true);
+                    }
+                    catch { }
+                }
+                // TODO: free unmanaged resources (unmanaged objects) and override finalizer
+                // TODO: set large fields to null
+                disposedValue = true;
+            }
+        }
+
+        ~TempDir()
+        {
+            Dispose(disposing: false);
+        }
+
+        public void Dispose()
+        {
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+    }
+}

ReaderWriter/UnitTests/TestAbstractVectorFileHandler.cs

@@ -85,7 +85,9 @@ public void TestConvertAndCompare(FileInfo testFile)
 
             foreach (string extension in FileWriterFactory.SupportedFileFormats)
             {
-                FileInfo target = new FileInfo(Path.GetTempFileName() + extension);
+                using TempDir tempDir = new TempDir();
+                string filename = Path.Combine(tempDir, testFile.Name);
+                FileInfo target = new FileInfo(filename + extension);
                 Console.WriteLine("Converting from {0} to {1}", testFile.Extension, target.Extension);
                 Debug.WriteLine("Converting from {0} to {1}", testFile.Extension, target.Extension);