Issue #13051: Fixed recursion errors in large or resized curses.textpad.Textbox.
Based on patch by Tycho Andersen.
diff --git a/Lib/test/test_curses.py b/Lib/test/test_curses.py
index be0837f..7d8ddcd 100644
--- a/Lib/test/test_curses.py
+++ b/Lib/test/test_curses.py
@@ -26,6 +26,7 @@
curses = import_module('curses')
import_module('curses.panel')
import_module('curses.ascii')
+import_module('curses.textpad')
def requires_curses_func(name):
return unittest.skipUnless(hasattr(curses, name),
@@ -327,6 +328,14 @@
b = curses.tparm(curses.tigetstr("cup"), 5, 3)
self.assertIs(type(b), bytes)
+ def test_issue13051(self):
+ stdscr = self.stdscr
+ box = curses.textpad.Textbox(stdscr, insert_mode=True)
+ lines, cols = stdscr.getmaxyx()
+ stdscr.resize(lines-2, cols-2)
+ # this may cause infinite recursion, leading to a RuntimeError
+ box._insert_printable_char('a')
+
class TestAscii(unittest.TestCase):