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[3.13] gh-130193: Increase test coverage of gettext.c2py (GH-130208) (GH-130217)

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(cherry picked from commit fb2d325725)

Co-authored-by: Tomas R <tomas.roun8@gmail.com>
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Miss Islington (bot) 2025-02-17 10:21:00 +01:00 • committed by GitHub
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commit 1b2cfb73f9
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8
Lib/test/test_gettext.py
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@ -567,12 +567,18 @@ class PluralFormsInternalTestCase(unittest.TestCase):
def test_invalid_syntax(self):
invalid_expressions = [
'x>1', '(n>1', 'n>1)', '42**42**42', '0xa', '1.0', '1e2',
'n>0x1', '+n', '-n', 'n()', 'n(1)', '1+', 'nn', 'n n',
'n>0x1', '+n', '-n', 'n()', 'n(1)', '1+', 'nn', 'n n', 'n ? 1 2'
]
for expr in invalid_expressions:
with self.assertRaises(ValueError):
gettext.c2py(expr)
def test_negation(self):
f = gettext.c2py('!!!n')
self.assertEqual(f(0), 1)
self.assertEqual(f(1), 0)
self.assertEqual(f(2), 0)
def test_nested_condition_operator(self):
self.assertEqual(gettext.c2py('n?1?2:3:4')(0), 4)
self.assertEqual(gettext.c2py('n?1?2:3:4')(1), 2)