def METHOD_NAME(self):
    ary = np.asfortranarray(np.arange(100).reshape(2, 50))
    arysz = ary.dtype.itemsize * np.prod(ary.shape)
    s, e = driver.host_memory_extents(ary)
    self.assertTrue(ary.ctypes.data == s)
    self.assertTrue(arysz == driver.host_memory_size(ary))