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| import numpy as np
|
| import pandas as pd
| from pandas import (
| Categorical,
| Series,
| )
| import pandas._testing as tm
|
|
| class TestSeriesCount:
| def test_count(self, datetime_series):
| assert datetime_series.count() == len(datetime_series)
|
| datetime_series[::2] = np.nan
|
| assert datetime_series.count() == np.isfinite(datetime_series).sum()
|
| def test_count_inf_as_na(self):
| # GH#29478
| ser = Series([pd.Timestamp("1990/1/1")])
| msg = "use_inf_as_na option is deprecated"
| with tm.assert_produces_warning(FutureWarning, match=msg):
| with pd.option_context("use_inf_as_na", True):
| assert ser.count() == 1
|
| def test_count_categorical(self):
| ser = Series(
| Categorical(
| [np.nan, 1, 2, np.nan], categories=[5, 4, 3, 2, 1], ordered=True
| )
| )
| result = ser.count()
| assert result == 2
|
|
