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Guido grants a Christmas wish:

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sorted() becomes a regular function instead of a classmethod.
This commit is contained in:
Raymond Hettinger 2003-12-17 20:43:33 +00:00
parent df38ea9c29
commit 64958a15d7
15 changed files with 120 additions and 138 deletions
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55
Lib/test/test_sort.py
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@ -248,66 +248,11 @@ class TestDecorateSortUndecorate(unittest.TestCase):
copy2.sort(key=lambda x: x[0], reverse=True)
self.assertEqual(data, copy2)
class TestSorted(unittest.TestCase):
def test_basic(self):
data = range(100)
copy = data[:]
random.shuffle(copy)
self.assertEqual(data, list.sorted(copy))
self.assertNotEqual(data, copy)
data.reverse()
random.shuffle(copy)
self.assertEqual(data, list.sorted(copy, cmp=lambda x, y: cmp(y,x)))
self.assertNotEqual(data, copy)
random.shuffle(copy)
self.assertEqual(data, list.sorted(copy, key=lambda x: -x))
self.assertNotEqual(data, copy)
random.shuffle(copy)
self.assertEqual(data, list.sorted(copy, reverse=1))
self.assertNotEqual(data, copy)
def test_inputtypes(self):
s = 'abracadabra'
for T in [unicode, list, tuple]:
self.assertEqual(list.sorted(s), list.sorted(T(s)))
s = ''.join(dict.fromkeys(s).keys()) # unique letters only
for T in [unicode, set, frozenset, list, tuple, dict.fromkeys]:
self.assertEqual(list.sorted(s), list.sorted(T(s)))
def test_baddecorator(self):
data = 'The quick Brown fox Jumped over The lazy Dog'.split()
self.assertRaises(TypeError, list.sorted, data, None, lambda x,y: 0)
def classmethods(self):
s = "hello world"
a = list.sorted(s)
b = UserList.sorted(s)
c = [].sorted(s)
d = UserList().sorted(s)
class Mylist(list):
def __new__(cls):
return UserList()
e = MyList.sorted(s)
f = MyList().sorted(s)
class Myuserlist(UserList):
def __new__(cls):
return []
g = MyList.sorted(s)
h = MyList().sorted(s)
self.assert_(a == b == c == d == e == f == g == h)
self.assert_(b.__class__ == d.__class__ == UserList)
self.assert_(e.__class__ == f.__class__ == MyList)
self.assert_(g.__class__ == h.__class__ == Myuserlist)
#==============================================================================
def test_main(verbose=None):
test_classes = (
TestDecorateSortUndecorate,
TestSorted,
TestBugs,
)