def test_modify_uns_in_copy():
    # https://github.com/theislab/anndata/issues/571
    adata = ad.AnnData(np.ones((5, 5)), uns={"parent": {"key": "value"}})
    adata_copy = adata[:3].copy()
    adata_copy.uns["parent"]["key"] = "new_value"
    assert adata.uns["parent"]["key"] != adata_copy.uns["parent"]["key"]
def test_initializers(self):
        class Person(Structure):
            _fields_ = [("name", c_char*6),
                        ("age", c_int)]

        self.assertRaises(TypeError, Person, 42)
        self.assertRaises(ValueError, Person, b"asldkjaslkdjaslkdj")
        self.assertRaises(TypeError, Person, "Name", "HI")

        # short enough
        self.assertEqual(Person(b"12345", 5).name, b"12345")
        # exact fit
        self.assertEqual(Person(b"123456", 5).name, b"123456")
        # too long
        self.assertRaises(ValueError, Person, b"1234567", 5)