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import numpy as np from pandas._libs.tslibs.dtypes import abbrev_to_npy_unit from pandas._libs.tslibs.vectorized import is_date_array_normalized # a datetime64 ndarray which *is* normalized day_arr = np.arange(10, dtype="i8").view("M8[D]") class TestIsDateArrayNormalized: def test_is_date_array_normalized_day(self): arr = day_arr abbrev = "D" unit = abbrev_to_npy_unit(abbrev) result = is_date_array_normalized(arr.view("i8"), None, unit) assert result is True def test_is_date_array_normalized_seconds(self): abbrev = "s" arr = day_arr.astype(f"M8[{abbrev}]") unit = abbrev_to_npy_unit(abbrev) result = is_date_array_normalized(arr.view("i8"), None, unit) assert result is True arr[0] += np.timedelta64(1, abbrev) result2 = is_date_array_normalized(arr.view("i8"), None, unit) assert result2 is False
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