public void TestBadFormat()
{
string path = Path.Combine("resources", "gato.nii");
Assert.IsFalse(NiftiFile.IsCompressed(path));
try
{
_ = NiftiFile.ReadHeader(path);
Assert.Fail("Failed to fail.");
}
catch (InvalidDataException) {}
catch (Exception e)
{
Assert.Fail("Hmmm... " + e.Message);
}
try
{
_ = NiftiFile.Read(path);
Assert.Fail("Failed to fail.");
}
catch (InvalidDataException) { }
catch (Exception e)
{
Assert.Fail("Hmmm..." + e.Message);
}
}
public void GZipTest()
{
string hdr1 = Path.Combine("resources", "avg152T1_LR_nifti.hdr");
string hdr2 = Path.Combine("resources", "avg152T1_LR_nifti.hdr.gz");
Assert.IsFalse(NiftiFile.IsCompressed(hdr1));
Assert.IsTrue(NiftiFile.IsCompressed(hdr2));
string nii1 = Path.Combine("resources", "avg152T1_LR_nifti.nii");
string nii2 = Path.Combine("resources", "avg152T1_LR_nifti.nii.gz");
var nifti1 = NiftiFile.Read(nii1);
var nifti2 = NiftiFile.Read(nii2);
Assert.IsTrue(nifti1.Data.Length == nifti2.Data.Length);
Assert.IsTrue(nifti1.Data[100] == nifti2.Data[100]);
Assert.IsTrue(nifti1.Header.sizeof_hdr == nifti2.Header.sizeof_hdr);
Assert.IsTrue(nifti1.Header.slice_start == nifti2.Header.slice_start);
var tmp = "tmp.nii.gz";
NiftiFile.Write(nifti1, tmp, gzip: true);
Assert.IsTrue(File.Exists(tmp));
File.Delete(tmp);
}