X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/20d7ae0676be4931d0b2e6d4a6a0877070264d13..c5b458ef4ba1b6a62685461c6731f1775bee132b:/tests/test_format.py

diff --git a/tests/test_format.py b/tests/test_format.py
index d44be1e..30099aa 100644
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -210,6 +210,15 @@ def test_patma_invalid() -> None:
     exc_info.match("Cannot parse: 10:11")
 
 
+def test_patma_hint() -> None:
+    source, expected = read_data("pattern_matching_simple")
+    mode = black.Mode(target_versions={black.TargetVersion.PY39})
+    with pytest.raises(black.parsing.InvalidInput) as exc_info:
+        assert_format(source, expected, mode, minimum_version=(3, 10))
+
+    exc_info.match(black.parsing.PY310_HINT)
+
+
 def test_docstring_no_string_normalization() -> None:
     """Like test_docstring but with string normalization off."""
     source, expected = read_data("docstring_no_string_normalization")