zmc
2023-10-12 ed135d79df12a2466b52dae1a82326941211dcc9
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import pytest
 
from pandas import IntervalIndex
import pandas._testing as tm
 
 
class TestPickle:
    @pytest.mark.parametrize("closed", ["left", "right", "both"])
    def test_pickle_round_trip_closed(self, closed):
        # https://github.com/pandas-dev/pandas/issues/35658
        idx = IntervalIndex.from_tuples([(1, 2), (2, 3)], closed=closed)
        result = tm.round_trip_pickle(idx)
        tm.assert_index_equal(result, idx)