public void TestReadWrite()
    {
      var format = new ChromosomeCountItemXmlFormat();

      var expectFile = @"../../../data/CMS-306.bam.count.mapped.xml";

      var items = TestFile(format, expectFile);

      var tempFile = expectFile + ".tmp";
      format.WriteToFile(tempFile, items);

      TestFile(format, tempFile);
      File.Delete(tempFile);
    }