def test_view_of_view_modification():
    adata = ad.AnnData(np.zeros((10, 10)))
    adata[0, :][:, 5:].X = np.ones(5)
    assert np.all(adata.X[0, 5:] == np.ones(5))
    adata[[1, 2], :][:, [1, 2]].X = np.ones((2, 2))
    assert np.all(adata.X[1:3, 1:3] == np.ones((2, 2)))

    adata.X = sparse.csr_matrix(adata.X)
    adata[0, :][:, 5:].X = np.ones(5) * 2
    assert np.all(asarray(adata.X)[0, 5:] == np.ones(5) * 2)
    adata[[1, 2], :][:, [1, 2]].X = np.ones((2, 2)) * 2
    assert np.all(asarray(adata.X)[1:3, 1:3] == np.ones((2, 2)) * 2)
def test_structures_with_wchar(self):
        try:
            c_wchar
        except NameError:
            return # no unicode

        class PersonW(Structure):
            _fields_ = [("name", c_wchar * 12),
                        ("age", c_int)]

        p = PersonW("Someone \xe9")
        self.assertEqual(p.name, "Someone \xe9")

        self.assertEqual(PersonW("1234567890").name, "1234567890")
        self.assertEqual(PersonW("12345678901").name, "12345678901")
        # exact fit
        self.assertEqual(PersonW("123456789012").name, "123456789012")
        #too long
        self.assertRaises(ValueError, PersonW, "1234567890123")