def test_index_isin_b(self) -> None:
idx = Index(('a', 'b', 'c'))
self.assertEqual(
idx.isin(('b','c')).tolist(),
[False, True, True]
)
self.assertEqual(
idx.isin(('b', 'c', 'b', 'c')).tolist(),
[False, True, True]
)
def test_index_isin_a(self) -> None:
idx = Index((30, 40, 50))
self.assertEqual(idx.isin([40, 50]).tolist(), [False, True, True])
self.assertEqual(idx.isin({40, 50}).tolist(), [False, True, True])
self.assertEqual(idx.isin(frozenset((40, 50))).tolist(), [False, True, True])
self.assertEqual(idx.isin({40: 'a', 50: 'b'}).tolist(), [False, True, True])
self.assertEqual(idx.isin(range(35, 45)).tolist(), [False, True, False])
self.assertEqual(idx.isin((x * 10 for x in (3, 4, 5, 6, 6))).tolist(), [True, True, True])
def test_index_isin(self, labels: tp.Sequence[tp.Hashable]) -> None:
index = Index(labels)
self.assertTrue(index.isin((labels[0], ))[0])
