private void EnsureFileIsNew(string path)
{
if (_fileSystemAccess.Exists(path))
{
_fileSystemAccess.Delete(path);
}
}
private void DeleteFile(string filePath)
{
Policy.Handle <IOException>()
.Or <UnauthorizedAccessException>()
.WaitAndRetry(5, count => TimeSpan.FromMilliseconds(count * 100))
.Execute(() => _fileSystemAccess.Delete(filePath));
}