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from typing import Dict, List, Optional
import pytest
from apischema import deserialize, serialize
@pytest.mark.parametrize(
"data, tp",
[([0], List[int]), ({"": 0}, Dict[str, int]), ([None, 0], List[Optional[int]])],
)
def test_no_copy(data, tp):
assert deserialize(tp, data, no_copy=True) is data
obj = deserialize(tp, data, no_copy=False)
assert obj == data and obj is not data
assert serialize(tp, obj, no_copy=True) is obj
data = serialize(tp, obj, no_copy=False)
assert data == obj and data is not obj
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