public void LoadingInvalidFile(string file)
{
var ex = Assert.Catch(() => MedIO.LoadNiftiAsFloat(file), "Loading a non-existent file should fail");
Assert.IsTrue(ex.Message.Contains(file));
Assert.IsTrue(ex.Message.Contains("Could not find file"));
}
public void NiftiSaveFloat(NiftiCompression niftiCompression)
{
var volume = TestHelpers.SingleSlice(Enumerable.Range(0, 9).Select(b => (float)b).ToArray());
var file = TestHelpers.CreateTempNiftiName(niftiCompression);
MedIO.SaveNifti(volume, file);
var loadedVolume = MedIO.LoadNiftiAsFloat(file);
VolumeAssert.AssertVolumesMatch(volume, loadedVolume);
}
public void ReadniftiAndSave()
{
var tempRandomNiftyFilePath = GetTempNiftiFileName();
var medimage3D = MedIO.LoadNiftiAsFloat(TestData.GetFullImagesPath(@"vol_int16.nii.gz"));
Assert.IsNotNull(medimage3D);
Assert.AreEqual(3, medimage3D.Dimensions);
MedIO.SaveNifti(medimage3D, tempRandomNiftyFilePath);
var savedMedimage3D = MedIO.LoadNiftiAsFloat(tempRandomNiftyFilePath);
Assert.AreEqual(medimage3D.Origin, savedMedimage3D.Origin);
Assert.AreEqual(medimage3D.Array, savedMedimage3D.Array);
}
public void LoadingInvalidExtensions()
{
const string validExtension = ".nii";
const string invalidExtension = ".ni";
var basePath = Path.GetTempFileName();
var validPath = basePath + validExtension;
var invalidPath = basePath + invalidExtension;
// Can't save with invalid extension, so save with valid extension and rename.
MedIO.SaveNifti(image, validPath);
File.Move(validPath, invalidPath);
var ex = Assert.Catch(() => MedIO.LoadNiftiAsFloat(invalidPath));
Assert.IsTrue(ex.Message.Contains("filenames must end with"));
Assert.IsTrue(ex.Message.Contains(invalidPath));
}
