test_tseries.py 文件源码

def test_categorical(self):

        # GH 8974
        from pandas import Categorical, Series
        arr = Categorical(list('abc'))
        result = lib.infer_dtype(arr)
        self.assertEqual(result, 'categorical')

        result = lib.infer_dtype(Series(arr))
        self.assertEqual(result, 'categorical')

        arr = Categorical(list('abc'), categories=['cegfab'], ordered=True)
        result = lib.infer_dtype(arr)
        self.assertEqual(result, 'categorical')

        result = lib.infer_dtype(Series(arr))
        self.assertEqual(result, 'categorical')