mirror of https://github.com/python/cpython
57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
import sys
|
|
|
|
from test_support import *
|
|
|
|
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)
|
|
|
|
|
|
candidates = [2, 2.0, 2L, 2+0j, [1], (3,), None, Empty(), Coerce(2), Cmp(2.0)]
|
|
|
|
def test():
|
|
for a in candidates:
|
|
for b in candidates:
|
|
try:
|
|
x = a == b
|
|
except:
|
|
print 'cmp(%s, %s) => %s' % (a, b, sys.exc_info()[0])
|
|
else:
|
|
if x:
|
|
print "%s == %s" % (a, b)
|
|
else:
|
|
print "%s != %s" % (a, b)
|
|
# 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:
|
|
if cmp(a, b) != cmp(id(a), id(b)):
|
|
print "ERROR:", cmp(a, b), cmp(id(a), id(b)), id(a), id(b)
|
|
|
|
test()
|