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gh-133031: Fix test_textbox_edit_wide on a narrow build #152592

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Merged
serhiy-storchaka merged 1 commit into from
Jun 29, 2026
Merged

gh-133031: Fix test_textbox_edit_wide on a narrow build #152592

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20 changes: 12 additions & 8 deletions Lib/test/test_curses.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2366,15 +2366,19 @@ def test_textbox_combining(self):
self.assertEqual(box.gather(), text + ' ')

def test_textbox_edit_wide(self):
# edit() reads characters through get_wch(). Each is used only if
# encodable in the current locale.
# edit() reads characters through get_wch(). Each character is pushed
# with unget_wch(), which on a narrow build requires it to encode to a
# single byte, so a non-ASCII case needs a wide build or an 8-bit locale.
for ch in ['A', 'é', '¤', '€', 'д']:
if self._encodable(ch):
with self.subTest(ch=ch):
box, win = self._make_textbox(1, 10)
for c in reversed(['a', ch, chr(curses.ascii.BEL)]):
curses.unget_wch(c)
self.assertEqual(box.edit(), 'a' + ch + ' ')
if not self._encodable(ch):
continue
if not WIDE_BUILD and len(ch.encode(self.stdscr.encoding)) != 1:
continue
with self.subTest(ch=ch):
box, win = self._make_textbox(1, 10)
for c in reversed(['a', ch, chr(curses.ascii.BEL)]):
curses.unget_wch(c)
self.assertEqual(box.edit(), 'a' + ch + ' ')

def test_textbox_movement(self):
box, win = self._make_textbox(3, 10)
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