bpo-43231: Fix test.test_curses.TestCurses.test_init_pair when running under -R (GH-24539)
diff --git a/Lib/test/test_curses.py b/Lib/test/test_curses.py
index a9f7001..f6bd27d 100644
--- a/Lib/test/test_curses.py
+++ b/Lib/test/test_curses.py
@@ -926,6 +926,13 @@ def get_pair_limit(self):
if (not curses.has_extended_color_support()
or (6, 1) <= curses.ncurses_version < (6, 2)):
pair_limit = min(pair_limit, SHORT_MAX)
+ # If use_default_colors() is called, the upper limit of the extended
+ # range may be restricted, so we need to check if the limit is still
+ # correct
+ try:
+ curses.init_pair(pair_limit, 0, 0)
+ except ValueError:
+ pair_limit = curses.COLOR_PAIRS
return pair_limit
@requires_colors