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Added tests of the new builtin functions issubclass() and isinstance()

This commit is contained in:
Barry Warsaw 1997-08-22 21:27:03 +00:00
parent 4249f54b28
commit d543077aa6
1 changed files with 36 additions and 0 deletions
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36
Lib/test/test_b1.py
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@ -236,6 +236,42 @@ if int(-3.9) <> -3: raise TestFailed, 'int(-3.9)'
if int(3.5) <> 3: raise TestFailed, 'int(3.5)' if int(3.5) <> 3: raise TestFailed, 'int(3.5)'
if int(-3.5) <> -3: raise TestFailed, 'int(-3.5)' if int(-3.5) <> -3: raise TestFailed, 'int(-3.5)'
print 'isinstance'
class C:
pass
class D(C):
pass
class E:
pass
c = C()
d = D()
e = E()
if not isinstance(c, C): raise TestFailed, 'isinstance(c, C)'
if not isinstance(d, C): raise TestFailed, 'isinstance(d, C)'
if isinstance(e, C): raise TestFailed, 'isinstance(e, C)'
if isinstance(c, D): raise TestFailed, 'isinstance(c, D)'
if isinstance('foo', E): raise TestFailed, 'isinstance("Foo", E)'
try:
isinstance(E, 'foo')
raise TestFailed, 'isinstance(E, "foo")'
except TypeError:
pass
print 'issubclass'
if not issubclass(D, C): raise TestFailed, 'issubclass(D, C)'
if not issubclass(C, C): raise TestFailed, 'issubclass(C, C)'
if issubclass(C, D): raise TestFailed, 'issubclass(C, D)'
try:
issubclass('foo', E)
raise TestFailed, 'issubclass("foo", E)'
except TypeError:
pass
try:
issubclass(E, 'foo')
raise TestFailed, 'issubclass(E, "foo")'
except TypeError:
pass
print 'len' print 'len'
if len('123') <> 3: raise TestFailed, 'len(\'123\')' if len('123') <> 3: raise TestFailed, 'len(\'123\')'
if len(()) <> 0: raise TestFailed, 'len(())' if len(()) <> 0: raise TestFailed, 'len(())'