public void FileAdapter_should_read_next_line_from_offset(
string content,
int offset,
int length,
string expected
)
{
var path = "FileAdapter_should_read_next_line_from_start.txt";
var bufferSize = 65 * 1024 * 1024;
File.Delete(path);
File.AppendAllText(path, content);
var actual = _fileAdapter.ReadLines(path, bufferSize, offset, length);
Assert.Equal(expected, actual);
}