|
Server : Apache/2.2.2 (Fedora) System : Linux App1.pathumtani.go.th 2.6.20-1.2320.fc5smp #1 SMP Tue Jun 12 19:40:16 EDT 2007 i686 User : apache ( 48) PHP Version : 5.2.9 Disable Function : NONE Directory : /proc/self/root/usr/lib/python2.4/test/ |
Upload File : |
# test the invariant that
# iff a==b then hash(a)==hash(b)
#
import unittest
from test import test_support
class HashEqualityTestCase(unittest.TestCase):
def same_hash(self, *objlist):
# Hash each object given and fail if
# the hash values are not all the same.
hashed = map(hash, objlist)
for h in hashed[1:]:
if h != hashed[0]:
self.fail("hashed values differ: %r" % (objlist,))
def test_numeric_literals(self):
self.same_hash(1, 1L, 1.0, 1.0+0.0j)
def test_coerced_integers(self):
self.same_hash(int(1), long(1), float(1), complex(1),
int('1'), float('1.0'))
def test_coerced_floats(self):
self.same_hash(long(1.23e300), float(1.23e300))
self.same_hash(float(0.5), complex(0.5, 0.0))
def test_main():
test_support.run_unittest(HashEqualityTestCase)
if __name__ == "__main__":
test_main()