import pytest
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from pandas import (
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IntervalIndex,
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MultiIndex,
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RangeIndex,
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)
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import pandas._testing as tm
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@pytest.fixture
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def range_index():
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return RangeIndex(3, name="range_index")
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@pytest.fixture
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def interval_index():
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return IntervalIndex.from_tuples(
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[(0.0, 1.0), (1.0, 2.0), (1.5, 2.5)], name="interval_index"
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)
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def test_join_overlapping_in_mi_to_same_intervalindex(range_index, interval_index):
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# GH-45661
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multi_index = MultiIndex.from_product([interval_index, range_index])
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result = multi_index.join(interval_index)
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tm.assert_index_equal(result, multi_index)
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def test_join_overlapping_to_multiindex_with_same_interval(range_index, interval_index):
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# GH-45661
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multi_index = MultiIndex.from_product([interval_index, range_index])
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result = interval_index.join(multi_index)
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tm.assert_index_equal(result, multi_index)
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def test_join_overlapping_interval_to_another_intervalindex(interval_index):
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# GH-45661
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flipped_interval_index = interval_index[::-1]
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result = interval_index.join(flipped_interval_index)
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tm.assert_index_equal(result, interval_index)
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