Add regression test of ValueError with zero-step slices

Ref pylint-dev#1843
nelfin · Oct 20, 2022 · 5caa47f · 5caa47f
1 parent 1a074cf
commit 5caa47f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/tests/unittest_inference.py b/tests/unittest_inference.py
@@ -5316,6 +5316,11 @@ def test_slice_inference_in_for_loops_not_working() -> None:
         assert inferred == util.Uninferable
 
 
+def test_slice_zero_step_does_not_raise_ValueError() -> None:
+    node = extract_node("[][::0]")
+    assert helpers.safe_infer(node) is None
+
+
 def test_unpacking_starred_and_dicts_in_assignment() -> None:
     node = extract_node(
         """