def test_index_name_c(self) -> None:
idx1 = IndexGO(('a', 'b', 'c', 'd'), name='foo')
self.assertEqual(idx1.name, 'foo')
idx2 = idx1.rename('bar')
self.assertEqual(idx2.name, 'bar')
idx1.append('e')
idx2.append('x')
self.assertEqual(idx1.values.tolist(), ['a', 'b', 'c', 'd', 'e'])
self.assertEqual(idx2.values.tolist(), ['a', 'b', 'c', 'd', 'x'])
def test_index_rename_a(self) -> None:
idx1 = IndexGO(('a', 'b', 'c', 'd'), name='foo')
idx1.append('e')
idx2 = idx1.rename('bar')
self.assertEqual(idx2.name, 'bar')
