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- # -*- coding: utf-8 -*-
- import pytest
- from pandas import DataFrame
- import pandas.util.testing as tm
- class TestIndexingSlow(object):
- @pytest.mark.slow
- def test_large_dataframe_indexing(self):
- # GH10692
- result = DataFrame({'x': range(10 ** 6)}, dtype='int64')
- result.loc[len(result)] = len(result) + 1
- expected = DataFrame({'x': range(10 ** 6 + 1)}, dtype='int64')
- tm.assert_frame_equal(result, expected)
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