public void GetSequentialFileName()
{
DirectoryInfo working = new DirectoryInfo(".");
bool existing = false;
foreach (FileInfo file in working.GetFiles())
{
if (file.Extension.ToUpper() == ".DCM")
{
existing = true;
break;
}
}
Assert.IsFalse(existing, "Did not expect any DICOM files in working folder.");
Assert.AreEqual("00000001", DicomDir.GetSequentialFileName("."));
File.Create(Path.Combine(".", "00000001")).Dispose();
File.Create(Path.Combine(".", "00000003")).Dispose();
File.Create(Path.Combine(".", "00000097")).Dispose();
Assert.AreEqual("00000098", DicomDir.GetSequentialFileName("."));
File.Delete(Path.Combine(".", "00000097"));
Assert.AreEqual("00000004", DicomDir.GetSequentialFileName("."));
File.Delete(Path.Combine(".", "00000003"));
Assert.AreEqual("00000002", DicomDir.GetSequentialFileName("."));
File.Delete(Path.Combine(".", "00000001"));
Assert.AreEqual("00000001", DicomDir.GetSequentialFileName("."));
}