From 274769c61c5f3f3d2d749824cbed26e15813ce14 Mon Sep 17 00:00:00 2001 From: Jeong YunWon <69878+youknowone@users.noreply.github.com> Date: Wed, 15 Jun 2022 05:45:50 +0900 Subject: [PATCH] gh-93814: Add infinite test for itertools.chain.from_iterable (GH-93815) fix #93814 Automerge-Triggered-By: GH:rhettinger --- Lib/test/test_itertools.py | 1 + 1 file changed, 1 insertion(+) diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 238afbbd883d3a..f469bfe185e65b 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -180,6 +180,7 @@ def test_chain_from_iterable(self): self.assertEqual(list(chain.from_iterable([''])), []) self.assertEqual(take(4, chain.from_iterable(['abc', 'def'])), list('abcd')) self.assertRaises(TypeError, list, chain.from_iterable([2, 3])) + self.assertEqual(list(islice(chain.from_iterable(repeat(range(5))), 2)), [0, 1]) def test_chain_reducible(self): for oper in [copy.deepcopy] + picklecopiers: