def test_set_scalar_subset_X(matrix_type, subset_func):
    adata = ad.AnnData(matrix_type(np.zeros((10, 10))))
    orig_X_val = adata.X.copy()
    subset_idx = slice_subset(adata.obs_names)

    adata_subset = adata[subset_idx, :]

    adata_subset.X = 1

    assert adata_subset.is_view
    assert np.all(asarray(adata[subset_idx, :].X) == 1)

    assert asarray((orig_X_val != adata.X)).sum() == mul(*adata_subset.shape)
def create_node(self, *args, **kwargs):
        nbparam = len(args) + len(kwargs)
        assert nbparam in (0, len(Fields)), \
            "Bad argument number for {}: {}, expecting {}".\
            format(Name, nbparam, len(Fields))
        self._fields = Fields
        self._attributes = Attributes
        for argname, argval in zip(self._fields, args):
            setattr(self, argname, argval)
        for argname, argval in kwargs.items():
            assert argname in Fields, \
                    "Invalid Keyword argument for {}: {}".format(Name, argname)
            setattr(self, argname, argval)