public void TestEnumerateFileSystemInfosWithSearchRecursiveNoResults()
 {
     var di = new DirectoryInfo(uncDirectory);
     var randomFileName = Path.GetRandomFileName();
     var newDi = di.CreateSubdirectory(randomFileName);
     try
     {
         var fi = new FileInfo(Path.Combine(newDi.FullName, "filename"));
         using (fi.Create())
         {
         }
         try
         {
             Assert.AreEqual(0, di.EnumerateFileSystemInfos("gibberish", SearchOption.AllDirectories).Count());
         }
         finally
         {
             fi.Delete();
         }
     }
     finally
     {
         newDi.Delete(true);
     }
 }
 public void TestEnumerateFileSystemInfosWithSearchAndOptionMultipleResults()
 {
     var di = new DirectoryInfo(uncDirectory);
     var randomFileName = Path.GetRandomFileName();
     var newDi = di.CreateSubdirectory(randomFileName);
     try
     {
         var fi = new FileInfo(Path.Combine(newDi.FullName, "filename"));
         using (fi.Create())
         {
         }
         try
         {
             Assert.AreEqual(2, di.EnumerateFileSystemInfos("*").Count());
         }
         finally
         {
             fi.Delete();
         }
     }
     finally
     {
         newDi.Delete(true);
     }
 }