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gh-145144: Add more tests for UserList, UserDict, etc (GH-145145)

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Serhiy Storchaka 2026-03-22 16:22:25 +02:00 • committed by GitHub
parent 97c725cd39
commit 161329cde2
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6 changed files with 380 additions and 34 deletions
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38
Lib/test/string_tests.py
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@ -102,6 +102,43 @@ def _get_teststrings(self, charset, digits):
teststrings = [self.fixtype(ts) for ts in teststrings]
return teststrings
def test_add(self):
s = self.fixtype('ab')
self.assertEqual(s + self.fixtype(''), s)
self.assertEqual(self.fixtype('') + s, s)
self.assertEqual(s + self.fixtype('cd'), self.fixtype('abcd'))
def test_mul(self):
s = self.fixtype('ab')
self.assertEqual(s*0, self.fixtype(''))
self.assertEqual(0*s, self.fixtype(''))
self.assertEqual(s*1, s)
self.assertEqual(1*s, s)
self.assertEqual(s*2, self.fixtype('abab'))
self.assertEqual(2*s, self.fixtype('abab'))
class subclass(self.type2test):
pass
s = subclass(self.fixtype('ab'))
r = s*1
self.assertEqual(r, s)
self.assertIsNot(r, s)
def _assert_cmp(self, a, b, r):
self.assertIs(a == b, r == 0)
self.assertIs(a != b, r != 0)
self.assertIs(a > b, r > 0)
self.assertIs(a <= b, r <= 0)
self.assertIs(a < b, r < 0)
self.assertIs(a >= b, r >= 0)
def test_cmp(self):
a = self.fixtype('ab')
self._assert_cmp(a, a, 0)
self._assert_cmp(a, self.fixtype('ab'), 0)
self._assert_cmp(a, self.fixtype('a'), 1)
self._assert_cmp(a, self.fixtype('ac'), -1)
def test_count(self):
self.checkequal(3, 'aaa', 'count', 'a')
self.checkequal(0, 'aaa', 'count', 'b')
@ -1304,6 +1341,7 @@ def test_extended_getslice(self):
slice(start, stop, step))
def test_mul(self):
super().test_mul()
self.checkequal('', 'abc', '__mul__', -1)
self.checkequal('', 'abc', '__mul__', 0)
self.checkequal('abc', 'abc', '__mul__', 1)