def test_dtype_parsing():
store = NdarrayStore()
dtypes = []
dtypes.append(np.dtype(np.object_))
dtypes.append(np.dtype(np.float128))
dtypes.append(np.dtype('int64'))
dtypes.append(np.dtype([('A', 'int64')]))
dtypes.append(np.dtype([('A', 'int64'), ('B', '<f8')]))
dtypes.append(np.dtype([('A', 'int64'), ('B', '<f8', (2, ))]))
for d in dtypes:
assert d == store._dtype(str(d), None)
def test_cant_write_objects():
store = NdarrayStore()
assert not store.can_write(None, None, np.array([object()]))
