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Add a similar test for rich comparisons.

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This commit is contained in:
Guido van Rossum 2001-09-18 21:06:04 +00:00
parent 59b68656f8
commit 0639f59859
1 changed files with 67 additions and 1 deletions
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68
Lib/test/test_descr.py
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@ -1833,7 +1833,9 @@ def str_subclass_as_dict_key():
def classic_comparisons():
if verbose: print "Testing classic comparisons..."
for base in (int, object):
class classic:
pass
for base in (classic, int, object):
if verbose: print " (base = %s)" % base
class C(base):
def __init__(self, value):
@ -1858,6 +1860,69 @@ def classic_comparisons():
verify(cmp(c[x], y) == cmp(x, y), "x=%d, y=%d" % (x, y))
verify(cmp(x, c[y]) == cmp(x, y), "x=%d, y=%d" % (x, y))
def rich_comparisons():
if verbose:
print "Testing rich comparisons..."
class classic:
pass
for base in (classic, int, object, list):
if verbose: print " (base = %s)" % base
class C(base):
def __init__(self, value):
self.value = int(value)
def __cmp__(self, other):
raise TestFailed, "shouldn't call __cmp__"
def __eq__(self, other):
if isinstance(other, C):
return self.value == other.value
if isinstance(other, int) or isinstance(other, long):
return self.value == other
return NotImplemented
def __ne__(self, other):
if isinstance(other, C):
return self.value != other.value
if isinstance(other, int) or isinstance(other, long):
return self.value != other
return NotImplemented
def __lt__(self, other):
if isinstance(other, C):
return self.value < other.value
if isinstance(other, int) or isinstance(other, long):
return self.value < other
return NotImplemented
def __le__(self, other):
if isinstance(other, C):
return self.value <= other.value
if isinstance(other, int) or isinstance(other, long):
return self.value <= other
return NotImplemented
def __gt__(self, other):
if isinstance(other, C):
return self.value > other.value
if isinstance(other, int) or isinstance(other, long):
return self.value > other
return NotImplemented
def __ge__(self, other):
if isinstance(other, C):
return self.value >= other.value
if isinstance(other, int) or isinstance(other, long):
return self.value >= other
return NotImplemented
c1 = C(1)
c2 = C(2)
c3 = C(3)
verify(c1 == 1)
c = {1: c1, 2: c2, 3: c3}
for x in 1, 2, 3:
for y in 1, 2, 3:
for op in "<", "<=", "==", "!=", ">", ">=":
verify(eval("c[x] %s c[y]" % op) == eval("x %s y" % op),
"x=%d, y=%d" % (x, y))
verify(eval("c[x] %s y" % op) == eval("x %s y" % op),
"x=%d, y=%d" % (x, y))
verify(eval("x %s c[y]" % op) == eval("x %s y" % op),
"x=%d, y=%d" % (x, y))
def all():
lists()
@ -1897,6 +1962,7 @@ def all():
restricted()
str_subclass_as_dict_key()
classic_comparisons()
rich_comparisons()
all()