test_pandas.py 文件源码

def test_frame_double_encoded_labels(self):
        df = DataFrame([['a', 'b'], ['c', 'd']],
                       index=['index " 1', 'index / 2'],
                       columns=['a \\ b', 'y / z'])

        assert_frame_equal(df, read_json(df.to_json(orient='split'),
                                         orient='split'))
        assert_frame_equal(df, read_json(df.to_json(orient='columns'),
                                         orient='columns'))
        assert_frame_equal(df, read_json(df.to_json(orient='index'),
                                         orient='index'))
        df_unser = read_json(df.to_json(orient='records'), orient='records')
        assert_index_equal(df.columns, df_unser.columns)
        np.testing.assert_equal(df.values, df_unser.values)