import numpy as np
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import pytest
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from pandas import (
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Series,
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bdate_range,
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date_range,
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period_range,
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)
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import pandas._testing as tm
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class TestBetween:
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def test_between(self):
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series = Series(date_range("1/1/2000", periods=10))
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left, right = series[[2, 7]]
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result = series.between(left, right)
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expected = (series >= left) & (series <= right)
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tm.assert_series_equal(result, expected)
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def test_between_datetime_object_dtype(self):
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ser = Series(bdate_range("1/1/2000", periods=20).astype(object))
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ser[::2] = np.nan
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result = ser[ser.between(ser[3], ser[17])]
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expected = ser[3:18].dropna()
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tm.assert_series_equal(result, expected)
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result = ser[ser.between(ser[3], ser[17], inclusive="neither")]
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expected = ser[5:16].dropna()
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tm.assert_series_equal(result, expected)
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def test_between_period_values(self):
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ser = Series(period_range("2000-01-01", periods=10, freq="D"))
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left, right = ser[[2, 7]]
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result = ser.between(left, right)
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expected = (ser >= left) & (ser <= right)
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tm.assert_series_equal(result, expected)
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def test_between_inclusive_string(self):
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# GH 40628
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series = Series(date_range("1/1/2000", periods=10))
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left, right = series[[2, 7]]
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result = series.between(left, right, inclusive="both")
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expected = (series >= left) & (series <= right)
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tm.assert_series_equal(result, expected)
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result = series.between(left, right, inclusive="left")
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expected = (series >= left) & (series < right)
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tm.assert_series_equal(result, expected)
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result = series.between(left, right, inclusive="right")
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expected = (series > left) & (series <= right)
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tm.assert_series_equal(result, expected)
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result = series.between(left, right, inclusive="neither")
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expected = (series > left) & (series < right)
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tm.assert_series_equal(result, expected)
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@pytest.mark.parametrize("inclusive", ["yes", True, False])
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def test_between_error_args(self, inclusive):
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# GH 40628
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series = Series(date_range("1/1/2000", periods=10))
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left, right = series[[2, 7]]
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value_error_msg = (
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"Inclusive has to be either string of 'both',"
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"'left', 'right', or 'neither'."
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)
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with pytest.raises(ValueError, match=value_error_msg):
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series = Series(date_range("1/1/2000", periods=10))
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series.between(left, right, inclusive=inclusive)
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