test_categorical.py 文件源码

def test_ordered_api(self):
        # GH 9347
        cat1 = pd.Categorical(["a", "c", "b"], ordered=False)
        self.assertTrue(cat1.categories.equals(Index(['a', 'b', 'c'])))
        self.assertFalse(cat1.ordered)

        cat2 = pd.Categorical(["a", "c", "b"], categories=['b', 'c', 'a'],
                              ordered=False)
        self.assertTrue(cat2.categories.equals(Index(['b', 'c', 'a'])))
        self.assertFalse(cat2.ordered)

        cat3 = pd.Categorical(["a", "c", "b"], ordered=True)
        self.assertTrue(cat3.categories.equals(Index(['a', 'b', 'c'])))
        self.assertTrue(cat3.ordered)

        cat4 = pd.Categorical(["a", "c", "b"], categories=['b', 'c', 'a'],
                              ordered=True)
        self.assertTrue(cat4.categories.equals(Index(['b', 'c', 'a'])))
        self.assertTrue(cat4.ordered)