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v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
test_compare.py
import unittest
from test import test_support
class Empty:
def __repr__(self):
return '<Empty>'
class Coerce:
def __init__(self, arg):
self.arg = arg
def __repr__(self):
return '<Coerce %s>' % self.arg
def __coerce__(self, other):
if isinstance(other, Coerce):
return self.arg, other.arg
else:
return self.arg, other
class Cmp:
def __init__(self,arg):
self.arg = arg
def __repr__(self):
return '<Cmp %s>' % self.arg
def __cmp__(self, other):
return cmp(self.arg, other)
class ComparisonTest(unittest.TestCase):
set1 = [2, 2.0, 2L, 2+0j, Coerce(2), Cmp(2.0)]
set2 = [[1], (3,), None, Empty()]
candidates = set1 + set2
def test_comparisons(self):
for a in self.candidates:
for b in self.candidates:
if ((a in self.set1) and (b in self.set1)) or a is b:
self.assertEqual(a, b)
else:
self.assertNotEqual(a, b)
def test_id_comparisons(self):
# Ensure default comparison compares id() of args
L = []
for i in range(10):
L.insert(len(L)//2, Empty())
for a in L:
for b in L:
self.assertEqual(cmp(a, b), cmp(id(a), id(b)),
'a=%r, b=%r' % (a, b))
def test_main():
test_support.run_unittest(ComparisonTest)
if __name__ == '__main__':
test_main()