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from __future__ import annotations
from functools import partial
from collections.abc import Callable
import pytest # type: ignore
import numpy as np
AR = np.array(0)
AR.setflags(write=False)
KACF = frozenset({None, "K", "A", "C", "F"})
ACF = frozenset({None, "A", "C", "F"})
CF = frozenset({None, "C", "F"})
order_list: list[tuple[frozenset, Callable]] = [
(KACF, partial(np.ndarray, 1)),
(KACF, AR.tobytes),
(KACF, partial(AR.astype, int)),
(KACF, AR.copy),
(ACF, partial(AR.reshape, 1)),
(KACF, AR.flatten),
(KACF, AR.ravel),
(KACF, partial(np.array, 1)),
(CF, partial(np.zeros, 1)),
(CF, partial(np.ones, 1)),
(CF, partial(np.empty, 1)),
(CF, partial(np.full, 1, 1)),
(KACF, partial(np.zeros_like, AR)),
(KACF, partial(np.ones_like, AR)),
(KACF, partial(np.empty_like, AR)),
(KACF, partial(np.full_like, AR, 1)),
(KACF, partial(np.add, 1, 1)), # i.e. np.ufunc.__call__
(ACF, partial(np.reshape, AR, 1)),
(KACF, partial(np.ravel, AR)),
(KACF, partial(np.asarray, 1)),
(KACF, partial(np.asanyarray, 1)),
]
for order_set, func in order_list:
for order in order_set:
func(order=order)
invalid_orders = KACF - order_set
for order in invalid_orders:
with pytest.raises(ValueError):
func(order=order)