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from pandas import MultiIndex class TestIsLexsorted: def test_is_lexsorted(self): levels = [[0, 1], [0, 1, 2]] index = MultiIndex( levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 1, 2]] ) assert index._is_lexsorted() index = MultiIndex( levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 2, 1]] ) assert not index._is_lexsorted() index = MultiIndex( levels=levels, codes=[[0, 0, 1, 0, 1, 1], [0, 1, 0, 2, 2, 1]] ) assert not index._is_lexsorted() assert index._lexsort_depth == 0 class TestLexsortDepth: def test_lexsort_depth(self): # Test that lexsort_depth return the correct sortorder # when it was given to the MultiIndex const. # GH#28518 levels = [[0, 1], [0, 1, 2]] index = MultiIndex( levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 1, 2]], sortorder=2 ) assert index._lexsort_depth == 2 index = MultiIndex( levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 2, 1]], sortorder=1 ) assert index._lexsort_depth == 1 index = MultiIndex( levels=levels, codes=[[0, 0, 1, 0, 1, 1], [0, 1, 0, 2, 2, 1]], sortorder=0 ) assert index._lexsort_depth == 0
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