From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sat, 18 Jul 2026 16:33:03 +0000 (+0300)
Subject: gh-153395: Fix test_complexchar on narrow curses builds (GH-154005)
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=a202e5ce1ce9e1266208887bad990dd5b92180d8;p=thirdparty%2FPython%2Fcpython.git

gh-153395: Fix test_complexchar on narrow curses builds (GH-154005)

On a narrow build, complexchar() of a multibyte character raises
OverflowError, not ValueError.

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
---

diff --git a/Lib/test/test_curses.py b/Lib/test/test_curses.py
index 3ba79be789cf..915eae5ec233 100644
--- a/Lib/test/test_curses.py
+++ b/Lib/test/test_curses.py
@@ -2799,9 +2799,11 @@ class TestAscii(unittest.TestCase):
         # its single character.  A narrow build just forms fewer cells.
         cc = curses.complexchar
         def storable(s):
+            # ValueError if s has combining marks on a narrow build.
+            # OverflowError if s is a multibyte character on a narrow build.
             try:
                 cc(s)
-            except ValueError:
+            except (ValueError, OverflowError):
                 return False
             return True