diff -r 000000000000 -r ae805ac0140d python-2.5.2/win32/Lib/test/test_descr.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_descr.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,4359 @@
+# Test enhancements related to descriptors and new-style classes
+
+from test.test_support import verify, vereq, verbose, TestFailed, TESTFN, get_original_stdout
+from copy import deepcopy
+import warnings
+import types
+
+warnings.filterwarnings("ignore",
+         r'complex divmod\(\), // and % are deprecated$',
+         DeprecationWarning, r'(<string>|%s)$' % __name__)
+
+def veris(a, b):
+    if a is not b:
+        raise TestFailed, "%r is %r" % (a, b)
+
+def testunop(a, res, expr="len(a)", meth="__len__"):
+    if verbose: print "checking", expr
+    dict = {'a': a}
+    vereq(eval(expr, dict), res)
+    t = type(a)
+    m = getattr(t, meth)
+    while meth not in t.__dict__:
+        t = t.__bases__[0]
+    vereq(m, t.__dict__[meth])
+    vereq(m(a), res)
+    bm = getattr(a, meth)
+    vereq(bm(), res)
+
+def testbinop(a, b, res, expr="a+b", meth="__add__"):
+    if verbose: print "checking", expr
+    dict = {'a': a, 'b': b}
+
+    # XXX Hack so this passes before 2.3 when -Qnew is specified.
+    if meth == "__div__" and 1/2 == 0.5:
+        meth = "__truediv__"
+
+    vereq(eval(expr, dict), res)
+    t = type(a)
+    m = getattr(t, meth)
+    while meth not in t.__dict__:
+        t = t.__bases__[0]
+    vereq(m, t.__dict__[meth])
+    vereq(m(a, b), res)
+    bm = getattr(a, meth)
+    vereq(bm(b), res)
+
+def testternop(a, b, c, res, expr="a[b:c]", meth="__getslice__"):
+    if verbose: print "checking", expr
+    dict = {'a': a, 'b': b, 'c': c}
+    vereq(eval(expr, dict), res)
+    t = type(a)
+    m = getattr(t, meth)
+    while meth not in t.__dict__:
+        t = t.__bases__[0]
+    vereq(m, t.__dict__[meth])
+    vereq(m(a, b, c), res)
+    bm = getattr(a, meth)
+    vereq(bm(b, c), res)
+
+def testsetop(a, b, res, stmt="a+=b", meth="__iadd__"):
+    if verbose: print "checking", stmt
+    dict = {'a': deepcopy(a), 'b': b}
+    exec stmt in dict
+    vereq(dict['a'], res)
+    t = type(a)
+    m = getattr(t, meth)
+    while meth not in t.__dict__:
+        t = t.__bases__[0]
+    vereq(m, t.__dict__[meth])
+    dict['a'] = deepcopy(a)
+    m(dict['a'], b)
+    vereq(dict['a'], res)
+    dict['a'] = deepcopy(a)
+    bm = getattr(dict['a'], meth)
+    bm(b)
+    vereq(dict['a'], res)
+
+def testset2op(a, b, c, res, stmt="a[b]=c", meth="__setitem__"):
+    if verbose: print "checking", stmt
+    dict = {'a': deepcopy(a), 'b': b, 'c': c}
+    exec stmt in dict
+    vereq(dict['a'], res)
+    t = type(a)
+    m = getattr(t, meth)
+    while meth not in t.__dict__:
+        t = t.__bases__[0]
+    vereq(m, t.__dict__[meth])
+    dict['a'] = deepcopy(a)
+    m(dict['a'], b, c)
+    vereq(dict['a'], res)
+    dict['a'] = deepcopy(a)
+    bm = getattr(dict['a'], meth)
+    bm(b, c)
+    vereq(dict['a'], res)
+
+def testset3op(a, b, c, d, res, stmt="a[b:c]=d", meth="__setslice__"):
+    if verbose: print "checking", stmt
+    dict = {'a': deepcopy(a), 'b': b, 'c': c, 'd': d}
+    exec stmt in dict
+    vereq(dict['a'], res)
+    t = type(a)
+    while meth not in t.__dict__:
+        t = t.__bases__[0]
+    m = getattr(t, meth)
+    vereq(m, t.__dict__[meth])
+    dict['a'] = deepcopy(a)
+    m(dict['a'], b, c, d)
+    vereq(dict['a'], res)
+    dict['a'] = deepcopy(a)
+    bm = getattr(dict['a'], meth)
+    bm(b, c, d)
+    vereq(dict['a'], res)
+
+def class_docstrings():
+    class Classic:
+        "A classic docstring."
+    vereq(Classic.__doc__, "A classic docstring.")
+    vereq(Classic.__dict__['__doc__'], "A classic docstring.")
+
+    class Classic2:
+        pass
+    verify(Classic2.__doc__ is None)
+
+    class NewStatic(object):
+        "Another docstring."
+    vereq(NewStatic.__doc__, "Another docstring.")
+    vereq(NewStatic.__dict__['__doc__'], "Another docstring.")
+
+    class NewStatic2(object):
+        pass
+    verify(NewStatic2.__doc__ is None)
+
+    class NewDynamic(object):
+        "Another docstring."
+    vereq(NewDynamic.__doc__, "Another docstring.")
+    vereq(NewDynamic.__dict__['__doc__'], "Another docstring.")
+
+    class NewDynamic2(object):
+        pass
+    verify(NewDynamic2.__doc__ is None)
+
+def lists():
+    if verbose: print "Testing list operations..."
+    testbinop([1], [2], [1,2], "a+b", "__add__")
+    testbinop([1,2,3], 2, 1, "b in a", "__contains__")
+    testbinop([1,2,3], 4, 0, "b in a", "__contains__")
+    testbinop([1,2,3], 1, 2, "a[b]", "__getitem__")
+    testternop([1,2,3], 0, 2, [1,2], "a[b:c]", "__getslice__")
+    testsetop([1], [2], [1,2], "a+=b", "__iadd__")
+    testsetop([1,2], 3, [1,2,1,2,1,2], "a*=b", "__imul__")
+    testunop([1,2,3], 3, "len(a)", "__len__")
+    testbinop([1,2], 3, [1,2,1,2,1,2], "a*b", "__mul__")
+    testbinop([1,2], 3, [1,2,1,2,1,2], "b*a", "__rmul__")
+    testset2op([1,2], 1, 3, [1,3], "a[b]=c", "__setitem__")
+    testset3op([1,2,3,4], 1, 3, [5,6], [1,5,6,4], "a[b:c]=d", "__setslice__")
+
+def dicts():
+    if verbose: print "Testing dict operations..."
+    testbinop({1:2}, {2:1}, -1, "cmp(a,b)", "__cmp__")
+    testbinop({1:2,3:4}, 1, 1, "b in a", "__contains__")
+    testbinop({1:2,3:4}, 2, 0, "b in a", "__contains__")
+    testbinop({1:2,3:4}, 1, 2, "a[b]", "__getitem__")
+    d = {1:2,3:4}
+    l1 = []
+    for i in d.keys(): l1.append(i)
+    l = []
+    for i in iter(d): l.append(i)
+    vereq(l, l1)
+    l = []
+    for i in d.__iter__(): l.append(i)
+    vereq(l, l1)
+    l = []
+    for i in dict.__iter__(d): l.append(i)
+    vereq(l, l1)
+    d = {1:2, 3:4}
+    testunop(d, 2, "len(a)", "__len__")
+    vereq(eval(repr(d), {}), d)
+    vereq(eval(d.__repr__(), {}), d)
+    testset2op({1:2,3:4}, 2, 3, {1:2,2:3,3:4}, "a[b]=c", "__setitem__")
+
+def dict_constructor():
+    if verbose:
+        print "Testing dict constructor ..."
+    d = dict()
+    vereq(d, {})
+    d = dict({})
+    vereq(d, {})
+    d = dict({1: 2, 'a': 'b'})
+    vereq(d, {1: 2, 'a': 'b'})
+    vereq(d, dict(d.items()))
+    vereq(d, dict(d.iteritems()))
+    d = dict({'one':1, 'two':2})
+    vereq(d, dict(one=1, two=2))
+    vereq(d, dict(**d))
+    vereq(d, dict({"one": 1}, two=2))
+    vereq(d, dict([("two", 2)], one=1))
+    vereq(d, dict([("one", 100), ("two", 200)], **d))
+    verify(d is not dict(**d))
+    for badarg in 0, 0L, 0j, "0", [0], (0,):
+        try:
+            dict(badarg)
+        except TypeError:
+            pass
+        except ValueError:
+            if badarg == "0":
+                # It's a sequence, and its elements are also sequences (gotta
+                # love strings <wink>), but they aren't of length 2, so this
+                # one seemed better as a ValueError than a TypeError.
+                pass
+            else:
+                raise TestFailed("no TypeError from dict(%r)" % badarg)
+        else:
+            raise TestFailed("no TypeError from dict(%r)" % badarg)
+
+    try:
+        dict({}, {})
+    except TypeError:
+        pass
+    else:
+        raise TestFailed("no TypeError from dict({}, {})")
+
+    class Mapping:
+        # Lacks a .keys() method; will be added later.
+        dict = {1:2, 3:4, 'a':1j}
+
+    try:
+        dict(Mapping())
+    except TypeError:
+        pass
+    else:
+        raise TestFailed("no TypeError from dict(incomplete mapping)")
+
+    Mapping.keys = lambda self: self.dict.keys()
+    Mapping.__getitem__ = lambda self, i: self.dict[i]
+    d = dict(Mapping())
+    vereq(d, Mapping.dict)
+
+    # Init from sequence of iterable objects, each producing a 2-sequence.
+    class AddressBookEntry:
+        def __init__(self, first, last):
+            self.first = first
+            self.last = last
+        def __iter__(self):
+            return iter([self.first, self.last])
+
+    d = dict([AddressBookEntry('Tim', 'Warsaw'),
+              AddressBookEntry('Barry', 'Peters'),
+              AddressBookEntry('Tim', 'Peters'),
+              AddressBookEntry('Barry', 'Warsaw')])
+    vereq(d, {'Barry': 'Warsaw', 'Tim': 'Peters'})
+
+    d = dict(zip(range(4), range(1, 5)))
+    vereq(d, dict([(i, i+1) for i in range(4)]))
+
+    # Bad sequence lengths.
+    for bad in [('tooshort',)], [('too', 'long', 'by 1')]:
+        try:
+            dict(bad)
+        except ValueError:
+            pass
+        else:
+            raise TestFailed("no ValueError from dict(%r)" % bad)
+
+def test_dir():
+    if verbose:
+        print "Testing dir() ..."
+    junk = 12
+    vereq(dir(), ['junk'])
+    del junk
+
+    # Just make sure these don't blow up!
+    for arg in 2, 2L, 2j, 2e0, [2], "2", u"2", (2,), {2:2}, type, test_dir:
+        dir(arg)
+
+    # Try classic classes.
+    class C:
+        Cdata = 1
+        def Cmethod(self): pass
+
+    cstuff = ['Cdata', 'Cmethod', '__doc__', '__module__']
+    vereq(dir(C), cstuff)
+    verify('im_self' in dir(C.Cmethod))
+
+    c = C()  # c.__doc__ is an odd thing to see here; ditto c.__module__.
+    vereq(dir(c), cstuff)
+
+    c.cdata = 2
+    c.cmethod = lambda self: 0
+    vereq(dir(c), cstuff + ['cdata', 'cmethod'])
+    verify('im_self' in dir(c.Cmethod))
+
+    class A(C):
+        Adata = 1
+        def Amethod(self): pass
+
+    astuff = ['Adata', 'Amethod'] + cstuff
+    vereq(dir(A), astuff)
+    verify('im_self' in dir(A.Amethod))
+    a = A()
+    vereq(dir(a), astuff)
+    verify('im_self' in dir(a.Amethod))
+    a.adata = 42
+    a.amethod = lambda self: 3
+    vereq(dir(a), astuff + ['adata', 'amethod'])
+
+    # The same, but with new-style classes.  Since these have object as a
+    # base class, a lot more gets sucked in.
+    def interesting(strings):
+        return [s for s in strings if not s.startswith('_')]
+
+    class C(object):
+        Cdata = 1
+        def Cmethod(self): pass
+
+    cstuff = ['Cdata', 'Cmethod']
+    vereq(interesting(dir(C)), cstuff)
+
+    c = C()
+    vereq(interesting(dir(c)), cstuff)
+    verify('im_self' in dir(C.Cmethod))
+
+    c.cdata = 2
+    c.cmethod = lambda self: 0
+    vereq(interesting(dir(c)), cstuff + ['cdata', 'cmethod'])
+    verify('im_self' in dir(c.Cmethod))
+
+    class A(C):
+        Adata = 1
+        def Amethod(self): pass
+
+    astuff = ['Adata', 'Amethod'] + cstuff
+    vereq(interesting(dir(A)), astuff)
+    verify('im_self' in dir(A.Amethod))
+    a = A()
+    vereq(interesting(dir(a)), astuff)
+    a.adata = 42
+    a.amethod = lambda self: 3
+    vereq(interesting(dir(a)), astuff + ['adata', 'amethod'])
+    verify('im_self' in dir(a.Amethod))
+
+    # Try a module subclass.
+    import sys
+    class M(type(sys)):
+        pass
+    minstance = M("m")
+    minstance.b = 2
+    minstance.a = 1
+    names = [x for x in dir(minstance) if x not in ["__name__", "__doc__"]]
+    vereq(names, ['a', 'b'])
+
+    class M2(M):
+        def getdict(self):
+            return "Not a dict!"
+        __dict__ = property(getdict)
+
+    m2instance = M2("m2")
+    m2instance.b = 2
+    m2instance.a = 1
+    vereq(m2instance.__dict__, "Not a dict!")
+    try:
+        dir(m2instance)
+    except TypeError:
+        pass
+
+    # Two essentially featureless objects, just inheriting stuff from
+    # object.
+    vereq(dir(None), dir(Ellipsis))
+
+    # Nasty test case for proxied objects
+    class Wrapper(object):
+        def __init__(self, obj):
+            self.__obj = obj
+        def __repr__(self):
+            return "Wrapper(%s)" % repr(self.__obj)
+        def __getitem__(self, key):
+            return Wrapper(self.__obj[key])
+        def __len__(self):
+            return len(self.__obj)
+        def __getattr__(self, name):
+            return Wrapper(getattr(self.__obj, name))
+
+    class C(object):
+        def __getclass(self):
+            return Wrapper(type(self))
+        __class__ = property(__getclass)
+
+    dir(C()) # This used to segfault
+
+binops = {
+    'add': '+',
+    'sub': '-',
+    'mul': '*',
+    'div': '/',
+    'mod': '%',
+    'divmod': 'divmod',
+    'pow': '**',
+    'lshift': '<<',
+    'rshift': '>>',
+    'and': '&',
+    'xor': '^',
+    'or': '|',
+    'cmp': 'cmp',
+    'lt': '<',
+    'le': '<=',
+    'eq': '==',
+    'ne': '!=',
+    'gt': '>',
+    'ge': '>=',
+    }
+
+for name, expr in binops.items():
+    if expr.islower():
+        expr = expr + "(a, b)"
+    else:
+        expr = 'a %s b' % expr
+    binops[name] = expr
+
+unops = {
+    'pos': '+',
+    'neg': '-',
+    'abs': 'abs',
+    'invert': '~',
+    'int': 'int',
+    'long': 'long',
+    'float': 'float',
+    'oct': 'oct',
+    'hex': 'hex',
+    }
+
+for name, expr in unops.items():
+    if expr.islower():
+        expr = expr + "(a)"
+    else:
+        expr = '%s a' % expr
+    unops[name] = expr
+
+def numops(a, b, skip=[]):
+    dict = {'a': a, 'b': b}
+    for name, expr in binops.items():
+        if name not in skip:
+            name = "__%s__" % name
+            if hasattr(a, name):
+                res = eval(expr, dict)
+                testbinop(a, b, res, expr, name)
+    for name, expr in unops.items():
+        if name not in skip:
+            name = "__%s__" % name
+            if hasattr(a, name):
+                res = eval(expr, dict)
+                testunop(a, res, expr, name)
+
+def ints():
+    if verbose: print "Testing int operations..."
+    numops(100, 3)
+    # The following crashes in Python 2.2
+    vereq((1).__nonzero__(), 1)
+    vereq((0).__nonzero__(), 0)
+    # This returns 'NotImplemented' in Python 2.2
+    class C(int):
+        def __add__(self, other):
+            return NotImplemented
+    vereq(C(5L), 5)
+    try:
+        C() + ""
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "NotImplemented should have caused TypeError"
+    import sys
+    try:
+        C(sys.maxint+1)
+    except OverflowError:
+        pass
+    else:
+        raise TestFailed, "should have raised OverflowError"
+
+def longs():
+    if verbose: print "Testing long operations..."
+    numops(100L, 3L)
+
+def floats():
+    if verbose: print "Testing float operations..."
+    numops(100.0, 3.0)
+
+def complexes():
+    if verbose: print "Testing complex operations..."
+    numops(100.0j, 3.0j, skip=['lt', 'le', 'gt', 'ge', 'int', 'long', 'float'])
+    class Number(complex):
+        __slots__ = ['prec']
+        def __new__(cls, *args, **kwds):
+            result = complex.__new__(cls, *args)
+            result.prec = kwds.get('prec', 12)
+            return result
+        def __repr__(self):
+            prec = self.prec
+            if self.imag == 0.0:
+                return "%.*g" % (prec, self.real)
+            if self.real == 0.0:
+                return "%.*gj" % (prec, self.imag)
+            return "(%.*g+%.*gj)" % (prec, self.real, prec, self.imag)
+        __str__ = __repr__
+
+    a = Number(3.14, prec=6)
+    vereq(repr(a), "3.14")
+    vereq(a.prec, 6)
+
+    a = Number(a, prec=2)
+    vereq(repr(a), "3.1")
+    vereq(a.prec, 2)
+
+    a = Number(234.5)
+    vereq(repr(a), "234.5")
+    vereq(a.prec, 12)
+
+def spamlists():
+    if verbose: print "Testing spamlist operations..."
+    import copy, xxsubtype as spam
+    def spamlist(l, memo=None):
+        import xxsubtype as spam
+        return spam.spamlist(l)
+    # This is an ugly hack:
+    copy._deepcopy_dispatch[spam.spamlist] = spamlist
+
+    testbinop(spamlist([1]), spamlist([2]), spamlist([1,2]), "a+b", "__add__")
+    testbinop(spamlist([1,2,3]), 2, 1, "b in a", "__contains__")
+    testbinop(spamlist([1,2,3]), 4, 0, "b in a", "__contains__")
+    testbinop(spamlist([1,2,3]), 1, 2, "a[b]", "__getitem__")
+    testternop(spamlist([1,2,3]), 0, 2, spamlist([1,2]),
+               "a[b:c]", "__getslice__")
+    testsetop(spamlist([1]), spamlist([2]), spamlist([1,2]),
+              "a+=b", "__iadd__")
+    testsetop(spamlist([1,2]), 3, spamlist([1,2,1,2,1,2]), "a*=b", "__imul__")
+    testunop(spamlist([1,2,3]), 3, "len(a)", "__len__")
+    testbinop(spamlist([1,2]), 3, spamlist([1,2,1,2,1,2]), "a*b", "__mul__")
+    testbinop(spamlist([1,2]), 3, spamlist([1,2,1,2,1,2]), "b*a", "__rmul__")
+    testset2op(spamlist([1,2]), 1, 3, spamlist([1,3]), "a[b]=c", "__setitem__")
+    testset3op(spamlist([1,2,3,4]), 1, 3, spamlist([5,6]),
+               spamlist([1,5,6,4]), "a[b:c]=d", "__setslice__")
+    # Test subclassing
+    class C(spam.spamlist):
+        def foo(self): return 1
+    a = C()
+    vereq(a, [])
+    vereq(a.foo(), 1)
+    a.append(100)
+    vereq(a, [100])
+    vereq(a.getstate(), 0)
+    a.setstate(42)
+    vereq(a.getstate(), 42)
+
+def spamdicts():
+    if verbose: print "Testing spamdict operations..."
+    import copy, xxsubtype as spam
+    def spamdict(d, memo=None):
+        import xxsubtype as spam
+        sd = spam.spamdict()
+        for k, v in d.items(): sd[k] = v
+        return sd
+    # This is an ugly hack:
+    copy._deepcopy_dispatch[spam.spamdict] = spamdict
+
+    testbinop(spamdict({1:2}), spamdict({2:1}), -1, "cmp(a,b)", "__cmp__")
+    testbinop(spamdict({1:2,3:4}), 1, 1, "b in a", "__contains__")
+    testbinop(spamdict({1:2,3:4}), 2, 0, "b in a", "__contains__")
+    testbinop(spamdict({1:2,3:4}), 1, 2, "a[b]", "__getitem__")
+    d = spamdict({1:2,3:4})
+    l1 = []
+    for i in d.keys(): l1.append(i)
+    l = []
+    for i in iter(d): l.append(i)
+    vereq(l, l1)
+    l = []
+    for i in d.__iter__(): l.append(i)
+    vereq(l, l1)
+    l = []
+    for i in type(spamdict({})).__iter__(d): l.append(i)
+    vereq(l, l1)
+    straightd = {1:2, 3:4}
+    spamd = spamdict(straightd)
+    testunop(spamd, 2, "len(a)", "__len__")
+    testunop(spamd, repr(straightd), "repr(a)", "__repr__")
+    testset2op(spamdict({1:2,3:4}), 2, 3, spamdict({1:2,2:3,3:4}),
+               "a[b]=c", "__setitem__")
+    # Test subclassing
+    class C(spam.spamdict):
+        def foo(self): return 1
+    a = C()
+    vereq(a.items(), [])
+    vereq(a.foo(), 1)
+    a['foo'] = 'bar'
+    vereq(a.items(), [('foo', 'bar')])
+    vereq(a.getstate(), 0)
+    a.setstate(100)
+    vereq(a.getstate(), 100)
+
+def pydicts():
+    if verbose: print "Testing Python subclass of dict..."
+    verify(issubclass(dict, dict))
+    verify(isinstance({}, dict))
+    d = dict()
+    vereq(d, {})
+    verify(d.__class__ is dict)
+    verify(isinstance(d, dict))
+    class C(dict):
+        state = -1
+        def __init__(self, *a, **kw):
+            if a:
+                vereq(len(a), 1)
+                self.state = a[0]
+            if kw:
+                for k, v in kw.items(): self[v] = k
+        def __getitem__(self, key):
+            return self.get(key, 0)
+        def __setitem__(self, key, value):
+            verify(isinstance(key, type(0)))
+            dict.__setitem__(self, key, value)
+        def setstate(self, state):
+            self.state = state
+        def getstate(self):
+            return self.state
+    verify(issubclass(C, dict))
+    a1 = C(12)
+    vereq(a1.state, 12)
+    a2 = C(foo=1, bar=2)
+    vereq(a2[1] == 'foo' and a2[2], 'bar')
+    a = C()
+    vereq(a.state, -1)
+    vereq(a.getstate(), -1)
+    a.setstate(0)
+    vereq(a.state, 0)
+    vereq(a.getstate(), 0)
+    a.setstate(10)
+    vereq(a.state, 10)
+    vereq(a.getstate(), 10)
+    vereq(a[42], 0)
+    a[42] = 24
+    vereq(a[42], 24)
+    if verbose: print "pydict stress test ..."
+    N = 50
+    for i in range(N):
+        a[i] = C()
+        for j in range(N):
+            a[i][j] = i*j
+    for i in range(N):
+        for j in range(N):
+            vereq(a[i][j], i*j)
+
+def pylists():
+    if verbose: print "Testing Python subclass of list..."
+    class C(list):
+        def __getitem__(self, i):
+            return list.__getitem__(self, i) + 100
+        def __getslice__(self, i, j):
+            return (i, j)
+    a = C()
+    a.extend([0,1,2])
+    vereq(a[0], 100)
+    vereq(a[1], 101)
+    vereq(a[2], 102)
+    vereq(a[100:200], (100,200))
+
+def metaclass():
+    if verbose: print "Testing __metaclass__..."
+    class C:
+        __metaclass__ = type
+        def __init__(self):
+            self.__state = 0
+        def getstate(self):
+            return self.__state
+        def setstate(self, state):
+            self.__state = state
+    a = C()
+    vereq(a.getstate(), 0)
+    a.setstate(10)
+    vereq(a.getstate(), 10)
+    class D:
+        class __metaclass__(type):
+            def myself(cls): return cls
+    vereq(D.myself(), D)
+    d = D()
+    verify(d.__class__ is D)
+    class M1(type):
+        def __new__(cls, name, bases, dict):
+            dict['__spam__'] = 1
+            return type.__new__(cls, name, bases, dict)
+    class C:
+        __metaclass__ = M1
+    vereq(C.__spam__, 1)
+    c = C()
+    vereq(c.__spam__, 1)
+
+    class _instance(object):
+        pass
+    class M2(object):
+        @staticmethod
+        def __new__(cls, name, bases, dict):
+            self = object.__new__(cls)
+            self.name = name
+            self.bases = bases
+            self.dict = dict
+            return self
+        def __call__(self):
+            it = _instance()
+            # Early binding of methods
+            for key in self.dict:
+                if key.startswith("__"):
+                    continue
+                setattr(it, key, self.dict[key].__get__(it, self))
+            return it
+    class C:
+        __metaclass__ = M2
+        def spam(self):
+            return 42
+    vereq(C.name, 'C')
+    vereq(C.bases, ())
+    verify('spam' in C.dict)
+    c = C()
+    vereq(c.spam(), 42)
+
+    # More metaclass examples
+
+    class autosuper(type):
+        # Automatically add __super to the class
+        # This trick only works for dynamic classes
+        def __new__(metaclass, name, bases, dict):
+            cls = super(autosuper, metaclass).__new__(metaclass,
+                                                      name, bases, dict)
+            # Name mangling for __super removes leading underscores
+            while name[:1] == "_":
+                name = name[1:]
+            if name:
+                name = "_%s__super" % name
+            else:
+                name = "__super"
+            setattr(cls, name, super(cls))
+            return cls
+    class A:
+        __metaclass__ = autosuper
+        def meth(self):
+            return "A"
+    class B(A):
+        def meth(self):
+            return "B" + self.__super.meth()
+    class C(A):
+        def meth(self):
+            return "C" + self.__super.meth()
+    class D(C, B):
+        def meth(self):
+            return "D" + self.__super.meth()
+    vereq(D().meth(), "DCBA")
+    class E(B, C):
+        def meth(self):
+            return "E" + self.__super.meth()
+    vereq(E().meth(), "EBCA")
+
+    class autoproperty(type):
+        # Automatically create property attributes when methods
+        # named _get_x and/or _set_x are found
+        def __new__(metaclass, name, bases, dict):
+            hits = {}
+            for key, val in dict.iteritems():
+                if key.startswith("_get_"):
+                    key = key[5:]
+                    get, set = hits.get(key, (None, None))
+                    get = val
+                    hits[key] = get, set
+                elif key.startswith("_set_"):
+                    key = key[5:]
+                    get, set = hits.get(key, (None, None))
+                    set = val
+                    hits[key] = get, set
+            for key, (get, set) in hits.iteritems():
+                dict[key] = property(get, set)
+            return super(autoproperty, metaclass).__new__(metaclass,
+                                                        name, bases, dict)
+    class A:
+        __metaclass__ = autoproperty
+        def _get_x(self):
+            return -self.__x
+        def _set_x(self, x):
+            self.__x = -x
+    a = A()
+    verify(not hasattr(a, "x"))
+    a.x = 12
+    vereq(a.x, 12)
+    vereq(a._A__x, -12)
+
+    class multimetaclass(autoproperty, autosuper):
+        # Merge of multiple cooperating metaclasses
+        pass
+    class A:
+        __metaclass__ = multimetaclass
+        def _get_x(self):
+            return "A"
+    class B(A):
+        def _get_x(self):
+            return "B" + self.__super._get_x()
+    class C(A):
+        def _get_x(self):
+            return "C" + self.__super._get_x()
+    class D(C, B):
+        def _get_x(self):
+            return "D" + self.__super._get_x()
+    vereq(D().x, "DCBA")
+
+    # Make sure type(x) doesn't call x.__class__.__init__
+    class T(type):
+        counter = 0
+        def __init__(self, *args):
+            T.counter += 1
+    class C:
+        __metaclass__ = T
+    vereq(T.counter, 1)
+    a = C()
+    vereq(type(a), C)
+    vereq(T.counter, 1)
+
+    class C(object): pass
+    c = C()
+    try: c()
+    except TypeError: pass
+    else: raise TestFailed, "calling object w/o call method should raise TypeError"
+
+def pymods():
+    if verbose: print "Testing Python subclass of module..."
+    log = []
+    import sys
+    MT = type(sys)
+    class MM(MT):
+        def __init__(self, name):
+            MT.__init__(self, name)
+        def __getattribute__(self, name):
+            log.append(("getattr", name))
+            return MT.__getattribute__(self, name)
+        def __setattr__(self, name, value):
+            log.append(("setattr", name, value))
+            MT.__setattr__(self, name, value)
+        def __delattr__(self, name):
+            log.append(("delattr", name))
+            MT.__delattr__(self, name)
+    a = MM("a")
+    a.foo = 12
+    x = a.foo
+    del a.foo
+    vereq(log, [("setattr", "foo", 12),
+                ("getattr", "foo"),
+                ("delattr", "foo")])
+
+    # http://python.org/sf/1174712
+    try:
+        class Module(types.ModuleType, str):
+            pass
+    except TypeError:
+        pass
+    else:
+        raise TestFailed("inheriting from ModuleType and str at the "
+                          "same time should fail")
+
+def multi():
+    if verbose: print "Testing multiple inheritance..."
+    class C(object):
+        def __init__(self):
+            self.__state = 0
+        def getstate(self):
+            return self.__state
+        def setstate(self, state):
+            self.__state = state
+    a = C()
+    vereq(a.getstate(), 0)
+    a.setstate(10)
+    vereq(a.getstate(), 10)
+    class D(dict, C):
+        def __init__(self):
+            type({}).__init__(self)
+            C.__init__(self)
+    d = D()
+    vereq(d.keys(), [])
+    d["hello"] = "world"
+    vereq(d.items(), [("hello", "world")])
+    vereq(d["hello"], "world")
+    vereq(d.getstate(), 0)
+    d.setstate(10)
+    vereq(d.getstate(), 10)
+    vereq(D.__mro__, (D, dict, C, object))
+
+    # SF bug #442833
+    class Node(object):
+        def __int__(self):
+            return int(self.foo())
+        def foo(self):
+            return "23"
+    class Frag(Node, list):
+        def foo(self):
+            return "42"
+    vereq(Node().__int__(), 23)
+    vereq(int(Node()), 23)
+    vereq(Frag().__int__(), 42)
+    vereq(int(Frag()), 42)
+
+    # MI mixing classic and new-style classes.
+
+    class A:
+        x = 1
+
+    class B(A):
+        pass
+
+    class C(A):
+        x = 2
+
+    class D(B, C):
+        pass
+    vereq(D.x, 1)
+
+    # Classic MRO is preserved for a classic base class.
+    class E(D, object):
+        pass
+    vereq(E.__mro__, (E, D, B, A, C, object))
+    vereq(E.x, 1)
+
+    # But with a mix of classic bases, their MROs are combined using
+    # new-style MRO.
+    class F(B, C, object):
+        pass
+    vereq(F.__mro__, (F, B, C, A, object))
+    vereq(F.x, 2)
+
+    # Try something else.
+    class C:
+        def cmethod(self):
+            return "C a"
+        def all_method(self):
+            return "C b"
+
+    class M1(C, object):
+        def m1method(self):
+            return "M1 a"
+        def all_method(self):
+            return "M1 b"
+
+    vereq(M1.__mro__, (M1, C, object))
+    m = M1()
+    vereq(m.cmethod(), "C a")
+    vereq(m.m1method(), "M1 a")
+    vereq(m.all_method(), "M1 b")
+
+    class D(C):
+        def dmethod(self):
+            return "D a"
+        def all_method(self):
+            return "D b"
+
+    class M2(D, object):
+        def m2method(self):
+            return "M2 a"
+        def all_method(self):
+            return "M2 b"
+
+    vereq(M2.__mro__, (M2, D, C, object))
+    m = M2()
+    vereq(m.cmethod(), "C a")
+    vereq(m.dmethod(), "D a")
+    vereq(m.m2method(), "M2 a")
+    vereq(m.all_method(), "M2 b")
+
+    class M3(M1, M2, object):
+        def m3method(self):
+            return "M3 a"
+        def all_method(self):
+            return "M3 b"
+    vereq(M3.__mro__, (M3, M1, M2, D, C, object))
+    m = M3()
+    vereq(m.cmethod(), "C a")
+    vereq(m.dmethod(), "D a")
+    vereq(m.m1method(), "M1 a")
+    vereq(m.m2method(), "M2 a")
+    vereq(m.m3method(), "M3 a")
+    vereq(m.all_method(), "M3 b")
+
+    class Classic:
+        pass
+    try:
+        class New(Classic):
+            __metaclass__ = type
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "new class with only classic bases - shouldn't be"
+
+def diamond():
+    if verbose: print "Testing multiple inheritance special cases..."
+    class A(object):
+        def spam(self): return "A"
+    vereq(A().spam(), "A")
+    class B(A):
+        def boo(self): return "B"
+        def spam(self): return "B"
+    vereq(B().spam(), "B")
+    vereq(B().boo(), "B")
+    class C(A):
+        def boo(self): return "C"
+    vereq(C().spam(), "A")
+    vereq(C().boo(), "C")
+    class D(B, C): pass
+    vereq(D().spam(), "B")
+    vereq(D().boo(), "B")
+    vereq(D.__mro__, (D, B, C, A, object))
+    class E(C, B): pass
+    vereq(E().spam(), "B")
+    vereq(E().boo(), "C")
+    vereq(E.__mro__, (E, C, B, A, object))
+    # MRO order disagreement
+    try:
+        class F(D, E): pass
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "expected MRO order disagreement (F)"
+    try:
+        class G(E, D): pass
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "expected MRO order disagreement (G)"
+
+
+# see thread python-dev/2002-October/029035.html
+def ex5():
+    if verbose: print "Testing ex5 from C3 switch discussion..."
+    class A(object): pass
+    class B(object): pass
+    class C(object): pass
+    class X(A): pass
+    class Y(A): pass
+    class Z(X,B,Y,C): pass
+    vereq(Z.__mro__, (Z, X, B, Y, A, C, object))
+
+# see "A Monotonic Superclass Linearization for Dylan",
+# by Kim Barrett et al. (OOPSLA 1996)
+def monotonicity():
+    if verbose: print "Testing MRO monotonicity..."
+    class Boat(object): pass
+    class DayBoat(Boat): pass
+    class WheelBoat(Boat): pass
+    class EngineLess(DayBoat): pass
+    class SmallMultihull(DayBoat): pass
+    class PedalWheelBoat(EngineLess,WheelBoat): pass
+    class SmallCatamaran(SmallMultihull): pass
+    class Pedalo(PedalWheelBoat,SmallCatamaran): pass
+
+    vereq(PedalWheelBoat.__mro__,
+          (PedalWheelBoat, EngineLess, DayBoat, WheelBoat, Boat,
+           object))
+    vereq(SmallCatamaran.__mro__,
+          (SmallCatamaran, SmallMultihull, DayBoat, Boat, object))
+
+    vereq(Pedalo.__mro__,
+          (Pedalo, PedalWheelBoat, EngineLess, SmallCatamaran,
+           SmallMultihull, DayBoat, WheelBoat, Boat, object))
+
+# see "A Monotonic Superclass Linearization for Dylan",
+# by Kim Barrett et al. (OOPSLA 1996)
+def consistency_with_epg():
+    if verbose: print "Testing consistentcy with EPG..."
+    class Pane(object): pass
+    class ScrollingMixin(object): pass
+    class EditingMixin(object): pass
+    class ScrollablePane(Pane,ScrollingMixin): pass
+    class EditablePane(Pane,EditingMixin): pass
+    class EditableScrollablePane(ScrollablePane,EditablePane): pass
+
+    vereq(EditableScrollablePane.__mro__,
+          (EditableScrollablePane, ScrollablePane, EditablePane,
+           Pane, ScrollingMixin, EditingMixin, object))
+
+mro_err_msg = """Cannot create a consistent method resolution
+order (MRO) for bases """
+
+def mro_disagreement():
+    if verbose: print "Testing error messages for MRO disagreement..."
+    def raises(exc, expected, callable, *args):
+        try:
+            callable(*args)
+        except exc, msg:
+            if not str(msg).startswith(expected):
+                raise TestFailed, "Message %r, expected %r" % (str(msg),
+                                                               expected)
+        else:
+            raise TestFailed, "Expected %s" % exc
+    class A(object): pass
+    class B(A): pass
+    class C(object): pass
+    # Test some very simple errors
+    raises(TypeError, "duplicate base class A",
+           type, "X", (A, A), {})
+    raises(TypeError, mro_err_msg,
+           type, "X", (A, B), {})
+    raises(TypeError, mro_err_msg,
+           type, "X", (A, C, B), {})
+    # Test a slightly more complex error
+    class GridLayout(object): pass
+    class HorizontalGrid(GridLayout): pass
+    class VerticalGrid(GridLayout): pass
+    class HVGrid(HorizontalGrid, VerticalGrid): pass
+    class VHGrid(VerticalGrid, HorizontalGrid): pass
+    raises(TypeError, mro_err_msg,
+           type, "ConfusedGrid", (HVGrid, VHGrid), {})
+
+def objects():
+    if verbose: print "Testing object class..."
+    a = object()
+    vereq(a.__class__, object)
+    vereq(type(a), object)
+    b = object()
+    verify(a is not b)
+    verify(not hasattr(a, "foo"))
+    try:
+        a.foo = 12
+    except (AttributeError, TypeError):
+        pass
+    else:
+        verify(0, "object() should not allow setting a foo attribute")
+    verify(not hasattr(object(), "__dict__"))
+
+    class Cdict(object):
+        pass
+    x = Cdict()
+    vereq(x.__dict__, {})
+    x.foo = 1
+    vereq(x.foo, 1)
+    vereq(x.__dict__, {'foo': 1})
+
+def slots():
+    if verbose: print "Testing __slots__..."
+    class C0(object):
+        __slots__ = []
+    x = C0()
+    verify(not hasattr(x, "__dict__"))
+    verify(not hasattr(x, "foo"))
+
+    class C1(object):
+        __slots__ = ['a']
+    x = C1()
+    verify(not hasattr(x, "__dict__"))
+    verify(not hasattr(x, "a"))
+    x.a = 1
+    vereq(x.a, 1)
+    x.a = None
+    veris(x.a, None)
+    del x.a
+    verify(not hasattr(x, "a"))
+
+    class C3(object):
+        __slots__ = ['a', 'b', 'c']
+    x = C3()
+    verify(not hasattr(x, "__dict__"))
+    verify(not hasattr(x, 'a'))
+    verify(not hasattr(x, 'b'))
+    verify(not hasattr(x, 'c'))
+    x.a = 1
+    x.b = 2
+    x.c = 3
+    vereq(x.a, 1)
+    vereq(x.b, 2)
+    vereq(x.c, 3)
+
+    class C4(object):
+        """Validate name mangling"""
+        __slots__ = ['__a']
+        def __init__(self, value):
+            self.__a = value
+        def get(self):
+            return self.__a
+    x = C4(5)
+    verify(not hasattr(x, '__dict__'))
+    verify(not hasattr(x, '__a'))
+    vereq(x.get(), 5)
+    try:
+        x.__a = 6
+    except AttributeError:
+        pass
+    else:
+        raise TestFailed, "Double underscored names not mangled"
+
+    # Make sure slot names are proper identifiers
+    try:
+        class C(object):
+            __slots__ = [None]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "[None] slots not caught"
+    try:
+        class C(object):
+            __slots__ = ["foo bar"]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "['foo bar'] slots not caught"
+    try:
+        class C(object):
+            __slots__ = ["foo\0bar"]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "['foo\\0bar'] slots not caught"
+    try:
+        class C(object):
+            __slots__ = ["1"]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "['1'] slots not caught"
+    try:
+        class C(object):
+            __slots__ = [""]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "[''] slots not caught"
+    class C(object):
+        __slots__ = ["a", "a_b", "_a", "A0123456789Z"]
+
+    # Test unicode slot names
+    try:
+        unichr
+    except NameError:
+        pass
+    else:
+        # _unicode_to_string used to modify slots in certain circumstances
+        slots = (unicode("foo"), unicode("bar"))
+        class C(object):
+            __slots__ = slots
+        x = C()
+        x.foo = 5
+        vereq(x.foo, 5)
+        veris(type(slots[0]), unicode)
+        # this used to leak references
+        try:
+            class C(object):
+                __slots__ = [unichr(128)]
+        except (TypeError, UnicodeEncodeError):
+            pass
+        else:
+            raise TestFailed, "[unichr(128)] slots not caught"
+
+    # Test leaks
+    class Counted(object):
+        counter = 0    # counts the number of instances alive
+        def __init__(self):
+            Counted.counter += 1
+        def __del__(self):
+            Counted.counter -= 1
+    class C(object):
+        __slots__ = ['a', 'b', 'c']
+    x = C()
+    x.a = Counted()
+    x.b = Counted()
+    x.c = Counted()
+    vereq(Counted.counter, 3)
+    del x
+    vereq(Counted.counter, 0)
+    class D(C):
+        pass
+    x = D()
+    x.a = Counted()
+    x.z = Counted()
+    vereq(Counted.counter, 2)
+    del x
+    vereq(Counted.counter, 0)
+    class E(D):
+        __slots__ = ['e']
+    x = E()
+    x.a = Counted()
+    x.z = Counted()
+    x.e = Counted()
+    vereq(Counted.counter, 3)
+    del x
+    vereq(Counted.counter, 0)
+
+    # Test cyclical leaks [SF bug 519621]
+    class F(object):
+        __slots__ = ['a', 'b']
+    log = []
+    s = F()
+    s.a = [Counted(), s]
+    vereq(Counted.counter, 1)
+    s = None
+    import gc
+    gc.collect()
+    vereq(Counted.counter, 0)
+
+    # Test lookup leaks [SF bug 572567]
+    import sys,gc
+    class G(object):
+        def __cmp__(self, other):
+            return 0
+    g = G()
+    orig_objects = len(gc.get_objects())
+    for i in xrange(10):
+        g==g
+    new_objects = len(gc.get_objects())
+    vereq(orig_objects, new_objects)
+    class H(object):
+        __slots__ = ['a', 'b']
+        def __init__(self):
+            self.a = 1
+            self.b = 2
+        def __del__(self):
+            assert self.a == 1
+            assert self.b == 2
+
+    save_stderr = sys.stderr
+    sys.stderr = sys.stdout
+    h = H()
+    try:
+        del h
+    finally:
+        sys.stderr = save_stderr
+
+def slotspecials():
+    if verbose: print "Testing __dict__ and __weakref__ in __slots__..."
+
+    class D(object):
+        __slots__ = ["__dict__"]
+    a = D()
+    verify(hasattr(a, "__dict__"))
+    verify(not hasattr(a, "__weakref__"))
+    a.foo = 42
+    vereq(a.__dict__, {"foo": 42})
+
+    class W(object):
+        __slots__ = ["__weakref__"]
+    a = W()
+    verify(hasattr(a, "__weakref__"))
+    verify(not hasattr(a, "__dict__"))
+    try:
+        a.foo = 42
+    except AttributeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't be allowed to set a.foo"
+
+    class C1(W, D):
+        __slots__ = []
+    a = C1()
+    verify(hasattr(a, "__dict__"))
+    verify(hasattr(a, "__weakref__"))
+    a.foo = 42
+    vereq(a.__dict__, {"foo": 42})
+
+    class C2(D, W):
+        __slots__ = []
+    a = C2()
+    verify(hasattr(a, "__dict__"))
+    verify(hasattr(a, "__weakref__"))
+    a.foo = 42
+    vereq(a.__dict__, {"foo": 42})
+
+# MRO order disagreement
+#
+#    class C3(C1, C2):
+#        __slots__ = []
+#
+#    class C4(C2, C1):
+#        __slots__ = []
+
+def dynamics():
+    if verbose: print "Testing class attribute propagation..."
+    class D(object):
+        pass
+    class E(D):
+        pass
+    class F(D):
+        pass
+    D.foo = 1
+    vereq(D.foo, 1)
+    # Test that dynamic attributes are inherited
+    vereq(E.foo, 1)
+    vereq(F.foo, 1)
+    # Test dynamic instances
+    class C(object):
+        pass
+    a = C()
+    verify(not hasattr(a, "foobar"))
+    C.foobar = 2
+    vereq(a.foobar, 2)
+    C.method = lambda self: 42
+    vereq(a.method(), 42)
+    C.__repr__ = lambda self: "C()"
+    vereq(repr(a), "C()")
+    C.__int__ = lambda self: 100
+    vereq(int(a), 100)
+    vereq(a.foobar, 2)
+    verify(not hasattr(a, "spam"))
+    def mygetattr(self, name):
+        if name == "spam":
+            return "spam"
+        raise AttributeError
+    C.__getattr__ = mygetattr
+    vereq(a.spam, "spam")
+    a.new = 12
+    vereq(a.new, 12)
+    def mysetattr(self, name, value):
+        if name == "spam":
+            raise AttributeError
+        return object.__setattr__(self, name, value)
+    C.__setattr__ = mysetattr
+    try:
+        a.spam = "not spam"
+    except AttributeError:
+        pass
+    else:
+        verify(0, "expected AttributeError")
+    vereq(a.spam, "spam")
+    class D(C):
+        pass
+    d = D()
+    d.foo = 1
+    vereq(d.foo, 1)
+
+    # Test handling of int*seq and seq*int
+    class I(int):
+        pass
+    vereq("a"*I(2), "aa")
+    vereq(I(2)*"a", "aa")
+    vereq(2*I(3), 6)
+    vereq(I(3)*2, 6)
+    vereq(I(3)*I(2), 6)
+
+    # Test handling of long*seq and seq*long
+    class L(long):
+        pass
+    vereq("a"*L(2L), "aa")
+    vereq(L(2L)*"a", "aa")
+    vereq(2*L(3), 6)
+    vereq(L(3)*2, 6)
+    vereq(L(3)*L(2), 6)
+
+    # Test comparison of classes with dynamic metaclasses
+    class dynamicmetaclass(type):
+        pass
+    class someclass:
+        __metaclass__ = dynamicmetaclass
+    verify(someclass != object)
+
+def errors():
+    if verbose: print "Testing errors..."
+
+    try:
+        class C(list, dict):
+            pass
+    except TypeError:
+        pass
+    else:
+        verify(0, "inheritance from both list and dict should be illegal")
+
+    try:
+        class C(object, None):
+            pass
+    except TypeError:
+        pass
+    else:
+        verify(0, "inheritance from non-type should be illegal")
+    class Classic:
+        pass
+
+    try:
+        class C(type(len)):
+            pass
+    except TypeError:
+        pass
+    else:
+        verify(0, "inheritance from CFunction should be illegal")
+
+    try:
+        class C(object):
+            __slots__ = 1
+    except TypeError:
+        pass
+    else:
+        verify(0, "__slots__ = 1 should be illegal")
+
+    try:
+        class C(object):
+            __slots__ = [1]
+    except TypeError:
+        pass
+    else:
+        verify(0, "__slots__ = [1] should be illegal")
+
+def classmethods():
+    if verbose: print "Testing class methods..."
+    class C(object):
+        def foo(*a): return a
+        goo = classmethod(foo)
+    c = C()
+    vereq(C.goo(1), (C, 1))
+    vereq(c.goo(1), (C, 1))
+    vereq(c.foo(1), (c, 1))
+    class D(C):
+        pass
+    d = D()
+    vereq(D.goo(1), (D, 1))
+    vereq(d.goo(1), (D, 1))
+    vereq(d.foo(1), (d, 1))
+    vereq(D.foo(d, 1), (d, 1))
+    # Test for a specific crash (SF bug 528132)
+    def f(cls, arg): return (cls, arg)
+    ff = classmethod(f)
+    vereq(ff.__get__(0, int)(42), (int, 42))
+    vereq(ff.__get__(0)(42), (int, 42))
+
+    # Test super() with classmethods (SF bug 535444)
+    veris(C.goo.im_self, C)
+    veris(D.goo.im_self, D)
+    veris(super(D,D).goo.im_self, D)
+    veris(super(D,d).goo.im_self, D)
+    vereq(super(D,D).goo(), (D,))
+    vereq(super(D,d).goo(), (D,))
+
+    # Verify that argument is checked for callability (SF bug 753451)
+    try:
+        classmethod(1).__get__(1)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "classmethod should check for callability"
+
+    # Verify that classmethod() doesn't allow keyword args
+    try:
+        classmethod(f, kw=1)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "classmethod shouldn't accept keyword args"
+
+def classmethods_in_c():
+    if verbose: print "Testing C-based class methods..."
+    import xxsubtype as spam
+    a = (1, 2, 3)
+    d = {'abc': 123}
+    x, a1, d1 = spam.spamlist.classmeth(*a, **d)
+    veris(x, spam.spamlist)
+    vereq(a, a1)
+    vereq(d, d1)
+    x, a1, d1 = spam.spamlist().classmeth(*a, **d)
+    veris(x, spam.spamlist)
+    vereq(a, a1)
+    vereq(d, d1)
+
+def staticmethods():
+    if verbose: print "Testing static methods..."
+    class C(object):
+        def foo(*a): return a
+        goo = staticmethod(foo)
+    c = C()
+    vereq(C.goo(1), (1,))
+    vereq(c.goo(1), (1,))
+    vereq(c.foo(1), (c, 1,))
+    class D(C):
+        pass
+    d = D()
+    vereq(D.goo(1), (1,))
+    vereq(d.goo(1), (1,))
+    vereq(d.foo(1), (d, 1))
+    vereq(D.foo(d, 1), (d, 1))
+
+def staticmethods_in_c():
+    if verbose: print "Testing C-based static methods..."
+    import xxsubtype as spam
+    a = (1, 2, 3)
+    d = {"abc": 123}
+    x, a1, d1 = spam.spamlist.staticmeth(*a, **d)
+    veris(x, None)
+    vereq(a, a1)
+    vereq(d, d1)
+    x, a1, d2 = spam.spamlist().staticmeth(*a, **d)
+    veris(x, None)
+    vereq(a, a1)
+    vereq(d, d1)
+
+def classic():
+    if verbose: print "Testing classic classes..."
+    class C:
+        def foo(*a): return a
+        goo = classmethod(foo)
+    c = C()
+    vereq(C.goo(1), (C, 1))
+    vereq(c.goo(1), (C, 1))
+    vereq(c.foo(1), (c, 1))
+    class D(C):
+        pass
+    d = D()
+    vereq(D.goo(1), (D, 1))
+    vereq(d.goo(1), (D, 1))
+    vereq(d.foo(1), (d, 1))
+    vereq(D.foo(d, 1), (d, 1))
+    class E: # *not* subclassing from C
+        foo = C.foo
+    vereq(E().foo, C.foo) # i.e., unbound
+    verify(repr(C.foo.__get__(C())).startswith("<bound method "))
+
+def compattr():
+    if verbose: print "Testing computed attributes..."
+    class C(object):
+        class computed_attribute(object):
+            def __init__(self, get, set=None, delete=None):
+                self.__get = get
+                self.__set = set
+                self.__delete = delete
+            def __get__(self, obj, type=None):
+                return self.__get(obj)
+            def __set__(self, obj, value):
+                return self.__set(obj, value)
+            def __delete__(self, obj):
+                return self.__delete(obj)
+        def __init__(self):
+            self.__x = 0
+        def __get_x(self):
+            x = self.__x
+            self.__x = x+1
+            return x
+        def __set_x(self, x):
+            self.__x = x
+        def __delete_x(self):
+            del self.__x
+        x = computed_attribute(__get_x, __set_x, __delete_x)
+    a = C()
+    vereq(a.x, 0)
+    vereq(a.x, 1)
+    a.x = 10
+    vereq(a.x, 10)
+    vereq(a.x, 11)
+    del a.x
+    vereq(hasattr(a, 'x'), 0)
+
+def newslot():
+    if verbose: print "Testing __new__ slot override..."
+    class C(list):
+        def __new__(cls):
+            self = list.__new__(cls)
+            self.foo = 1
+            return self
+        def __init__(self):
+            self.foo = self.foo + 2
+    a = C()
+    vereq(a.foo, 3)
+    verify(a.__class__ is C)
+    class D(C):
+        pass
+    b = D()
+    vereq(b.foo, 3)
+    verify(b.__class__ is D)
+
+def altmro():
+    if verbose: print "Testing mro() and overriding it..."
+    class A(object):
+        def f(self): return "A"
+    class B(A):
+        pass
+    class C(A):
+        def f(self): return "C"
+    class D(B, C):
+        pass
+    vereq(D.mro(), [D, B, C, A, object])
+    vereq(D.__mro__, (D, B, C, A, object))
+    vereq(D().f(), "C")
+
+    class PerverseMetaType(type):
+        def mro(cls):
+            L = type.mro(cls)
+            L.reverse()
+            return L
+    class X(D,B,C,A):
+        __metaclass__ = PerverseMetaType
+    vereq(X.__mro__, (object, A, C, B, D, X))
+    vereq(X().f(), "A")
+
+    try:
+        class X(object):
+            class __metaclass__(type):
+                def mro(self):
+                    return [self, dict, object]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "devious mro() return not caught"
+
+    try:
+        class X(object):
+            class __metaclass__(type):
+                def mro(self):
+                    return [1]
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "non-class mro() return not caught"
+
+    try:
+        class X(object):
+            class __metaclass__(type):
+                def mro(self):
+                    return 1
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "non-sequence mro() return not caught"
+
+
+def overloading():
+    if verbose: print "Testing operator overloading..."
+
+    class B(object):
+        "Intermediate class because object doesn't have a __setattr__"
+
+    class C(B):
+
+        def __getattr__(self, name):
+            if name == "foo":
+                return ("getattr", name)
+            else:
+                raise AttributeError
+        def __setattr__(self, name, value):
+            if name == "foo":
+                self.setattr = (name, value)
+            else:
+                return B.__setattr__(self, name, value)
+        def __delattr__(self, name):
+            if name == "foo":
+                self.delattr = name
+            else:
+                return B.__delattr__(self, name)
+
+        def __getitem__(self, key):
+            return ("getitem", key)
+        def __setitem__(self, key, value):
+            self.setitem = (key, value)
+        def __delitem__(self, key):
+            self.delitem = key
+
+        def __getslice__(self, i, j):
+            return ("getslice", i, j)
+        def __setslice__(self, i, j, value):
+            self.setslice = (i, j, value)
+        def __delslice__(self, i, j):
+            self.delslice = (i, j)
+
+    a = C()
+    vereq(a.foo, ("getattr", "foo"))
+    a.foo = 12
+    vereq(a.setattr, ("foo", 12))
+    del a.foo
+    vereq(a.delattr, "foo")
+
+    vereq(a[12], ("getitem", 12))
+    a[12] = 21
+    vereq(a.setitem, (12, 21))
+    del a[12]
+    vereq(a.delitem, 12)
+
+    vereq(a[0:10], ("getslice", 0, 10))
+    a[0:10] = "foo"
+    vereq(a.setslice, (0, 10, "foo"))
+    del a[0:10]
+    vereq(a.delslice, (0, 10))
+
+def methods():
+    if verbose: print "Testing methods..."
+    class C(object):
+        def __init__(self, x):
+            self.x = x
+        def foo(self):
+            return self.x
+    c1 = C(1)
+    vereq(c1.foo(), 1)
+    class D(C):
+        boo = C.foo
+        goo = c1.foo
+    d2 = D(2)
+    vereq(d2.foo(), 2)
+    vereq(d2.boo(), 2)
+    vereq(d2.goo(), 1)
+    class E(object):
+        foo = C.foo
+    vereq(E().foo, C.foo) # i.e., unbound
+    verify(repr(C.foo.__get__(C(1))).startswith("<bound method "))
+
+def specials():
+    # Test operators like __hash__ for which a built-in default exists
+    if verbose: print "Testing special operators..."
+    # Test the default behavior for static classes
+    class C(object):
+        def __getitem__(self, i):
+            if 0 <= i < 10: return i
+            raise IndexError
+    c1 = C()
+    c2 = C()
+    verify(not not c1)
+    verify(id(c1) != id(c2))
+    hash(c1)
+    hash(c2)
+    vereq(cmp(c1, c2), cmp(id(c1), id(c2)))
+    vereq(c1, c1)
+    verify(c1 != c2)
+    verify(not c1 != c1)
+    verify(not c1 == c2)
+    # Note that the module name appears in str/repr, and that varies
+    # depending on whether this test is run standalone or from a framework.
+    verify(str(c1).find('C object at ') >= 0)
+    vereq(str(c1), repr(c1))
+    verify(-1 not in c1)
+    for i in range(10):
+        verify(i in c1)
+    verify(10 not in c1)
+    # Test the default behavior for dynamic classes
+    class D(object):
+        def __getitem__(self, i):
+            if 0 <= i < 10: return i
+            raise IndexError
+    d1 = D()
+    d2 = D()
+    verify(not not d1)
+    verify(id(d1) != id(d2))
+    hash(d1)
+    hash(d2)
+    vereq(cmp(d1, d2), cmp(id(d1), id(d2)))
+    vereq(d1, d1)
+    verify(d1 != d2)
+    verify(not d1 != d1)
+    verify(not d1 == d2)
+    # Note that the module name appears in str/repr, and that varies
+    # depending on whether this test is run standalone or from a framework.
+    verify(str(d1).find('D object at ') >= 0)
+    vereq(str(d1), repr(d1))
+    verify(-1 not in d1)
+    for i in range(10):
+        verify(i in d1)
+    verify(10 not in d1)
+    # Test overridden behavior for static classes
+    class Proxy(object):
+        def __init__(self, x):
+            self.x = x
+        def __nonzero__(self):
+            return not not self.x
+        def __hash__(self):
+            return hash(self.x)
+        def __eq__(self, other):
+            return self.x == other
+        def __ne__(self, other):
+            return self.x != other
+        def __cmp__(self, other):
+            return cmp(self.x, other.x)
+        def __str__(self):
+            return "Proxy:%s" % self.x
+        def __repr__(self):
+            return "Proxy(%r)" % self.x
+        def __contains__(self, value):
+            return value in self.x
+    p0 = Proxy(0)
+    p1 = Proxy(1)
+    p_1 = Proxy(-1)
+    verify(not p0)
+    verify(not not p1)
+    vereq(hash(p0), hash(0))
+    vereq(p0, p0)
+    verify(p0 != p1)
+    verify(not p0 != p0)
+    vereq(not p0, p1)
+    vereq(cmp(p0, p1), -1)
+    vereq(cmp(p0, p0), 0)
+    vereq(cmp(p0, p_1), 1)
+    vereq(str(p0), "Proxy:0")
+    vereq(repr(p0), "Proxy(0)")
+    p10 = Proxy(range(10))
+    verify(-1 not in p10)
+    for i in range(10):
+        verify(i in p10)
+    verify(10 not in p10)
+    # Test overridden behavior for dynamic classes
+    class DProxy(object):
+        def __init__(self, x):
+            self.x = x
+        def __nonzero__(self):
+            return not not self.x
+        def __hash__(self):
+            return hash(self.x)
+        def __eq__(self, other):
+            return self.x == other
+        def __ne__(self, other):
+            return self.x != other
+        def __cmp__(self, other):
+            return cmp(self.x, other.x)
+        def __str__(self):
+            return "DProxy:%s" % self.x
+        def __repr__(self):
+            return "DProxy(%r)" % self.x
+        def __contains__(self, value):
+            return value in self.x
+    p0 = DProxy(0)
+    p1 = DProxy(1)
+    p_1 = DProxy(-1)
+    verify(not p0)
+    verify(not not p1)
+    vereq(hash(p0), hash(0))
+    vereq(p0, p0)
+    verify(p0 != p1)
+    verify(not p0 != p0)
+    vereq(not p0, p1)
+    vereq(cmp(p0, p1), -1)
+    vereq(cmp(p0, p0), 0)
+    vereq(cmp(p0, p_1), 1)
+    vereq(str(p0), "DProxy:0")
+    vereq(repr(p0), "DProxy(0)")
+    p10 = DProxy(range(10))
+    verify(-1 not in p10)
+    for i in range(10):
+        verify(i in p10)
+    verify(10 not in p10)
+    # Safety test for __cmp__
+    def unsafecmp(a, b):
+        try:
+            a.__class__.__cmp__(a, b)
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "shouldn't allow %s.__cmp__(%r, %r)" % (
+                a.__class__, a, b)
+    unsafecmp(u"123", "123")
+    unsafecmp("123", u"123")
+    unsafecmp(1, 1.0)
+    unsafecmp(1.0, 1)
+    unsafecmp(1, 1L)
+    unsafecmp(1L, 1)
+
+    class Letter(str):
+        def __new__(cls, letter):
+            if letter == 'EPS':
+                return str.__new__(cls)
+            return str.__new__(cls, letter)
+        def __str__(self):
+            if not self:
+                return 'EPS'
+            return self
+
+    # sys.stdout needs to be the original to trigger the recursion bug
+    import sys
+    test_stdout = sys.stdout
+    sys.stdout = get_original_stdout()
+    try:
+        # nothing should actually be printed, this should raise an exception
+        print Letter('w')
+    except RuntimeError:
+        pass
+    else:
+        raise TestFailed, "expected a RuntimeError for print recursion"
+    sys.stdout = test_stdout
+
+def weakrefs():
+    if verbose: print "Testing weak references..."
+    import weakref
+    class C(object):
+        pass
+    c = C()
+    r = weakref.ref(c)
+    verify(r() is c)
+    del c
+    verify(r() is None)
+    del r
+    class NoWeak(object):
+        __slots__ = ['foo']
+    no = NoWeak()
+    try:
+        weakref.ref(no)
+    except TypeError, msg:
+        verify(str(msg).find("weak reference") >= 0)
+    else:
+        verify(0, "weakref.ref(no) should be illegal")
+    class Weak(object):
+        __slots__ = ['foo', '__weakref__']
+    yes = Weak()
+    r = weakref.ref(yes)
+    verify(r() is yes)
+    del yes
+    verify(r() is None)
+    del r
+
+def properties():
+    if verbose: print "Testing property..."
+    class C(object):
+        def getx(self):
+            return self.__x
+        def setx(self, value):
+            self.__x = value
+        def delx(self):
+            del self.__x
+        x = property(getx, setx, delx, doc="I'm the x property.")
+    a = C()
+    verify(not hasattr(a, "x"))
+    a.x = 42
+    vereq(a._C__x, 42)
+    vereq(a.x, 42)
+    del a.x
+    verify(not hasattr(a, "x"))
+    verify(not hasattr(a, "_C__x"))
+    C.x.__set__(a, 100)
+    vereq(C.x.__get__(a), 100)
+    C.x.__delete__(a)
+    verify(not hasattr(a, "x"))
+
+    raw = C.__dict__['x']
+    verify(isinstance(raw, property))
+
+    attrs = dir(raw)
+    verify("__doc__" in attrs)
+    verify("fget" in attrs)
+    verify("fset" in attrs)
+    verify("fdel" in attrs)
+
+    vereq(raw.__doc__, "I'm the x property.")
+    verify(raw.fget is C.__dict__['getx'])
+    verify(raw.fset is C.__dict__['setx'])
+    verify(raw.fdel is C.__dict__['delx'])
+
+    for attr in "__doc__", "fget", "fset", "fdel":
+        try:
+            setattr(raw, attr, 42)
+        except TypeError, msg:
+            if str(msg).find('readonly') < 0:
+                raise TestFailed("when setting readonly attr %r on a "
+                                 "property, got unexpected TypeError "
+                                 "msg %r" % (attr, str(msg)))
+        else:
+            raise TestFailed("expected TypeError from trying to set "
+                             "readonly %r attr on a property" % attr)
+
+    class D(object):
+        __getitem__ = property(lambda s: 1/0)
+
+    d = D()
+    try:
+        for i in d:
+            str(i)
+    except ZeroDivisionError:
+        pass
+    else:
+        raise TestFailed, "expected ZeroDivisionError from bad property"
+
+    class E(object):
+        def getter(self):
+            "getter method"
+            return 0
+        def setter(self, value):
+            "setter method"
+            pass
+        prop = property(getter)
+        vereq(prop.__doc__, "getter method")
+        prop2 = property(fset=setter)
+        vereq(prop2.__doc__, None)
+
+    # this segfaulted in 2.5b2
+    try:
+        import _testcapi
+    except ImportError:
+        pass
+    else:
+        class X(object):
+            p = property(_testcapi.test_with_docstring)
+
+
+def supers():
+    if verbose: print "Testing super..."
+
+    class A(object):
+        def meth(self, a):
+            return "A(%r)" % a
+
+    vereq(A().meth(1), "A(1)")
+
+    class B(A):
+        def __init__(self):
+            self.__super = super(B, self)
+        def meth(self, a):
+            return "B(%r)" % a + self.__super.meth(a)
+
+    vereq(B().meth(2), "B(2)A(2)")
+
+    class C(A):
+        def meth(self, a):
+            return "C(%r)" % a + self.__super.meth(a)
+    C._C__super = super(C)
+
+    vereq(C().meth(3), "C(3)A(3)")
+
+    class D(C, B):
+        def meth(self, a):
+            return "D(%r)" % a + super(D, self).meth(a)
+
+    vereq(D().meth(4), "D(4)C(4)B(4)A(4)")
+
+    # Test for subclassing super
+
+    class mysuper(super):
+        def __init__(self, *args):
+            return super(mysuper, self).__init__(*args)
+
+    class E(D):
+        def meth(self, a):
+            return "E(%r)" % a + mysuper(E, self).meth(a)
+
+    vereq(E().meth(5), "E(5)D(5)C(5)B(5)A(5)")
+
+    class F(E):
+        def meth(self, a):
+            s = self.__super # == mysuper(F, self)
+            return "F(%r)[%s]" % (a, s.__class__.__name__) + s.meth(a)
+    F._F__super = mysuper(F)
+
+    vereq(F().meth(6), "F(6)[mysuper]E(6)D(6)C(6)B(6)A(6)")
+
+    # Make sure certain errors are raised
+
+    try:
+        super(D, 42)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't allow super(D, 42)"
+
+    try:
+        super(D, C())
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't allow super(D, C())"
+
+    try:
+        super(D).__get__(12)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't allow super(D).__get__(12)"
+
+    try:
+        super(D).__get__(C())
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't allow super(D).__get__(C())"
+
+    # Make sure data descriptors can be overridden and accessed via super
+    # (new feature in Python 2.3)
+
+    class DDbase(object):
+        def getx(self): return 42
+        x = property(getx)
+
+    class DDsub(DDbase):
+        def getx(self): return "hello"
+        x = property(getx)
+
+    dd = DDsub()
+    vereq(dd.x, "hello")
+    vereq(super(DDsub, dd).x, 42)
+
+    # Ensure that super() lookup of descriptor from classmethod
+    # works (SF ID# 743627)
+
+    class Base(object):
+        aProp = property(lambda self: "foo")
+
+    class Sub(Base):
+        @classmethod
+        def test(klass):
+            return super(Sub,klass).aProp
+
+    veris(Sub.test(), Base.aProp)
+
+    # Verify that super() doesn't allow keyword args
+    try:
+        super(Base, kw=1)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "super shouldn't accept keyword args"
+
+def inherits():
+    if verbose: print "Testing inheritance from basic types..."
+
+    class hexint(int):
+        def __repr__(self):
+            return hex(self)
+        def __add__(self, other):
+            return hexint(int.__add__(self, other))
+        # (Note that overriding __radd__ doesn't work,
+        # because the int type gets first dibs.)
+    vereq(repr(hexint(7) + 9), "0x10")
+    vereq(repr(hexint(1000) + 7), "0x3ef")
+    a = hexint(12345)
+    vereq(a, 12345)
+    vereq(int(a), 12345)
+    verify(int(a).__class__ is int)
+    vereq(hash(a), hash(12345))
+    verify((+a).__class__ is int)
+    verify((a >> 0).__class__ is int)
+    verify((a << 0).__class__ is int)
+    verify((hexint(0) << 12).__class__ is int)
+    verify((hexint(0) >> 12).__class__ is int)
+
+    class octlong(long):
+        __slots__ = []
+        def __str__(self):
+            s = oct(self)
+            if s[-1] == 'L':
+                s = s[:-1]
+            return s
+        def __add__(self, other):
+            return self.__class__(super(octlong, self).__add__(other))
+        __radd__ = __add__
+    vereq(str(octlong(3) + 5), "010")
+    # (Note that overriding __radd__ here only seems to work
+    # because the example uses a short int left argument.)
+    vereq(str(5 + octlong(3000)), "05675")
+    a = octlong(12345)
+    vereq(a, 12345L)
+    vereq(long(a), 12345L)
+    vereq(hash(a), hash(12345L))
+    verify(long(a).__class__ is long)
+    verify((+a).__class__ is long)
+    verify((-a).__class__ is long)
+    verify((-octlong(0)).__class__ is long)
+    verify((a >> 0).__class__ is long)
+    verify((a << 0).__class__ is long)
+    verify((a - 0).__class__ is long)
+    verify((a * 1).__class__ is long)
+    verify((a ** 1).__class__ is long)
+    verify((a // 1).__class__ is long)
+    verify((1 * a).__class__ is long)
+    verify((a | 0).__class__ is long)
+    verify((a ^ 0).__class__ is long)
+    verify((a & -1L).__class__ is long)
+    verify((octlong(0) << 12).__class__ is long)
+    verify((octlong(0) >> 12).__class__ is long)
+    verify(abs(octlong(0)).__class__ is long)
+
+    # Because octlong overrides __add__, we can't check the absence of +0
+    # optimizations using octlong.
+    class longclone(long):
+        pass
+    a = longclone(1)
+    verify((a + 0).__class__ is long)
+    verify((0 + a).__class__ is long)
+
+    # Check that negative clones don't segfault
+    a = longclone(-1)
+    vereq(a.__dict__, {})
+    vereq(long(a), -1)  # verify PyNumber_Long() copies the sign bit
+
+    class precfloat(float):
+        __slots__ = ['prec']
+        def __init__(self, value=0.0, prec=12):
+            self.prec = int(prec)
+            float.__init__(value)
+        def __repr__(self):
+            return "%.*g" % (self.prec, self)
+    vereq(repr(precfloat(1.1)), "1.1")
+    a = precfloat(12345)
+    vereq(a, 12345.0)
+    vereq(float(a), 12345.0)
+    verify(float(a).__class__ is float)
+    vereq(hash(a), hash(12345.0))
+    verify((+a).__class__ is float)
+
+    class madcomplex(complex):
+        def __repr__(self):
+            return "%.17gj%+.17g" % (self.imag, self.real)
+    a = madcomplex(-3, 4)
+    vereq(repr(a), "4j-3")
+    base = complex(-3, 4)
+    veris(base.__class__, complex)
+    vereq(a, base)
+    vereq(complex(a), base)
+    veris(complex(a).__class__, complex)
+    a = madcomplex(a)  # just trying another form of the constructor
+    vereq(repr(a), "4j-3")
+    vereq(a, base)
+    vereq(complex(a), base)
+    veris(complex(a).__class__, complex)
+    vereq(hash(a), hash(base))
+    veris((+a).__class__, complex)
+    veris((a + 0).__class__, complex)
+    vereq(a + 0, base)
+    veris((a - 0).__class__, complex)
+    vereq(a - 0, base)
+    veris((a * 1).__class__, complex)
+    vereq(a * 1, base)
+    veris((a / 1).__class__, complex)
+    vereq(a / 1, base)
+
+    class madtuple(tuple):
+        _rev = None
+        def rev(self):
+            if self._rev is not None:
+                return self._rev
+            L = list(self)
+            L.reverse()
+            self._rev = self.__class__(L)
+            return self._rev
+    a = madtuple((1,2,3,4,5,6,7,8,9,0))
+    vereq(a, (1,2,3,4,5,6,7,8,9,0))
+    vereq(a.rev(), madtuple((0,9,8,7,6,5,4,3,2,1)))
+    vereq(a.rev().rev(), madtuple((1,2,3,4,5,6,7,8,9,0)))
+    for i in range(512):
+        t = madtuple(range(i))
+        u = t.rev()
+        v = u.rev()
+        vereq(v, t)
+    a = madtuple((1,2,3,4,5))
+    vereq(tuple(a), (1,2,3,4,5))
+    verify(tuple(a).__class__ is tuple)
+    vereq(hash(a), hash((1,2,3,4,5)))
+    verify(a[:].__class__ is tuple)
+    verify((a * 1).__class__ is tuple)
+    verify((a * 0).__class__ is tuple)
+    verify((a + ()).__class__ is tuple)
+    a = madtuple(())
+    vereq(tuple(a), ())
+    verify(tuple(a).__class__ is tuple)
+    verify((a + a).__class__ is tuple)
+    verify((a * 0).__class__ is tuple)
+    verify((a * 1).__class__ is tuple)
+    verify((a * 2).__class__ is tuple)
+    verify(a[:].__class__ is tuple)
+
+    class madstring(str):
+        _rev = None
+        def rev(self):
+            if self._rev is not None:
+                return self._rev
+            L = list(self)
+            L.reverse()
+            self._rev = self.__class__("".join(L))
+            return self._rev
+    s = madstring("abcdefghijklmnopqrstuvwxyz")
+    vereq(s, "abcdefghijklmnopqrstuvwxyz")
+    vereq(s.rev(), madstring("zyxwvutsrqponmlkjihgfedcba"))
+    vereq(s.rev().rev(), madstring("abcdefghijklmnopqrstuvwxyz"))
+    for i in range(256):
+        s = madstring("".join(map(chr, range(i))))
+        t = s.rev()
+        u = t.rev()
+        vereq(u, s)
+    s = madstring("12345")
+    vereq(str(s), "12345")
+    verify(str(s).__class__ is str)
+
+    base = "\x00" * 5
+    s = madstring(base)
+    vereq(s, base)
+    vereq(str(s), base)
+    verify(str(s).__class__ is str)
+    vereq(hash(s), hash(base))
+    vereq({s: 1}[base], 1)
+    vereq({base: 1}[s], 1)
+    verify((s + "").__class__ is str)
+    vereq(s + "", base)
+    verify(("" + s).__class__ is str)
+    vereq("" + s, base)
+    verify((s * 0).__class__ is str)
+    vereq(s * 0, "")
+    verify((s * 1).__class__ is str)
+    vereq(s * 1, base)
+    verify((s * 2).__class__ is str)
+    vereq(s * 2, base + base)
+    verify(s[:].__class__ is str)
+    vereq(s[:], base)
+    verify(s[0:0].__class__ is str)
+    vereq(s[0:0], "")
+    verify(s.strip().__class__ is str)
+    vereq(s.strip(), base)
+    verify(s.lstrip().__class__ is str)
+    vereq(s.lstrip(), base)
+    verify(s.rstrip().__class__ is str)
+    vereq(s.rstrip(), base)
+    identitytab = ''.join([chr(i) for i in range(256)])
+    verify(s.translate(identitytab).__class__ is str)
+    vereq(s.translate(identitytab), base)
+    verify(s.translate(identitytab, "x").__class__ is str)
+    vereq(s.translate(identitytab, "x"), base)
+    vereq(s.translate(identitytab, "\x00"), "")
+    verify(s.replace("x", "x").__class__ is str)
+    vereq(s.replace("x", "x"), base)
+    verify(s.ljust(len(s)).__class__ is str)
+    vereq(s.ljust(len(s)), base)
+    verify(s.rjust(len(s)).__class__ is str)
+    vereq(s.rjust(len(s)), base)
+    verify(s.center(len(s)).__class__ is str)
+    vereq(s.center(len(s)), base)
+    verify(s.lower().__class__ is str)
+    vereq(s.lower(), base)
+
+    class madunicode(unicode):
+        _rev = None
+        def rev(self):
+            if self._rev is not None:
+                return self._rev
+            L = list(self)
+            L.reverse()
+            self._rev = self.__class__(u"".join(L))
+            return self._rev
+    u = madunicode("ABCDEF")
+    vereq(u, u"ABCDEF")
+    vereq(u.rev(), madunicode(u"FEDCBA"))
+    vereq(u.rev().rev(), madunicode(u"ABCDEF"))
+    base = u"12345"
+    u = madunicode(base)
+    vereq(unicode(u), base)
+    verify(unicode(u).__class__ is unicode)
+    vereq(hash(u), hash(base))
+    vereq({u: 1}[base], 1)
+    vereq({base: 1}[u], 1)
+    verify(u.strip().__class__ is unicode)
+    vereq(u.strip(), base)
+    verify(u.lstrip().__class__ is unicode)
+    vereq(u.lstrip(), base)
+    verify(u.rstrip().__class__ is unicode)
+    vereq(u.rstrip(), base)
+    verify(u.replace(u"x", u"x").__class__ is unicode)
+    vereq(u.replace(u"x", u"x"), base)
+    verify(u.replace(u"xy", u"xy").__class__ is unicode)
+    vereq(u.replace(u"xy", u"xy"), base)
+    verify(u.center(len(u)).__class__ is unicode)
+    vereq(u.center(len(u)), base)
+    verify(u.ljust(len(u)).__class__ is unicode)
+    vereq(u.ljust(len(u)), base)
+    verify(u.rjust(len(u)).__class__ is unicode)
+    vereq(u.rjust(len(u)), base)
+    verify(u.lower().__class__ is unicode)
+    vereq(u.lower(), base)
+    verify(u.upper().__class__ is unicode)
+    vereq(u.upper(), base)
+    verify(u.capitalize().__class__ is unicode)
+    vereq(u.capitalize(), base)
+    verify(u.title().__class__ is unicode)
+    vereq(u.title(), base)
+    verify((u + u"").__class__ is unicode)
+    vereq(u + u"", base)
+    verify((u"" + u).__class__ is unicode)
+    vereq(u"" + u, base)
+    verify((u * 0).__class__ is unicode)
+    vereq(u * 0, u"")
+    verify((u * 1).__class__ is unicode)
+    vereq(u * 1, base)
+    verify((u * 2).__class__ is unicode)
+    vereq(u * 2, base + base)
+    verify(u[:].__class__ is unicode)
+    vereq(u[:], base)
+    verify(u[0:0].__class__ is unicode)
+    vereq(u[0:0], u"")
+
+    class sublist(list):
+        pass
+    a = sublist(range(5))
+    vereq(a, range(5))
+    a.append("hello")
+    vereq(a, range(5) + ["hello"])
+    a[5] = 5
+    vereq(a, range(6))
+    a.extend(range(6, 20))
+    vereq(a, range(20))
+    a[-5:] = []
+    vereq(a, range(15))
+    del a[10:15]
+    vereq(len(a), 10)
+    vereq(a, range(10))
+    vereq(list(a), range(10))
+    vereq(a[0], 0)
+    vereq(a[9], 9)
+    vereq(a[-10], 0)
+    vereq(a[-1], 9)
+    vereq(a[:5], range(5))
+
+    class CountedInput(file):
+        """Counts lines read by self.readline().
+
+        self.lineno is the 0-based ordinal of the last line read, up to
+        a maximum of one greater than the number of lines in the file.
+
+        self.ateof is true if and only if the final "" line has been read,
+        at which point self.lineno stops incrementing, and further calls
+        to readline() continue to return "".
+        """
+
+        lineno = 0
+        ateof = 0
+        def readline(self):
+            if self.ateof:
+                return ""
+            s = file.readline(self)
+            # Next line works too.
+            # s = super(CountedInput, self).readline()
+            self.lineno += 1
+            if s == "":
+                self.ateof = 1
+            return s
+
+    f = file(name=TESTFN, mode='w')
+    lines = ['a\n', 'b\n', 'c\n']
+    try:
+        f.writelines(lines)
+        f.close()
+        f = CountedInput(TESTFN)
+        for (i, expected) in zip(range(1, 5) + [4], lines + 2 * [""]):
+            got = f.readline()
+            vereq(expected, got)
+            vereq(f.lineno, i)
+            vereq(f.ateof, (i > len(lines)))
+        f.close()
+    finally:
+        try:
+            f.close()
+        except:
+            pass
+        try:
+            import os
+            os.unlink(TESTFN)
+        except:
+            pass
+
+def keywords():
+    if verbose:
+        print "Testing keyword args to basic type constructors ..."
+    vereq(int(x=1), 1)
+    vereq(float(x=2), 2.0)
+    vereq(long(x=3), 3L)
+    vereq(complex(imag=42, real=666), complex(666, 42))
+    vereq(str(object=500), '500')
+    vereq(unicode(string='abc', errors='strict'), u'abc')
+    vereq(tuple(sequence=range(3)), (0, 1, 2))
+    vereq(list(sequence=(0, 1, 2)), range(3))
+    # note: as of Python 2.3, dict() no longer has an "items" keyword arg
+
+    for constructor in (int, float, long, complex, str, unicode,
+                        tuple, list, file):
+        try:
+            constructor(bogus_keyword_arg=1)
+        except TypeError:
+            pass
+        else:
+            raise TestFailed("expected TypeError from bogus keyword "
+                             "argument to %r" % constructor)
+
+def restricted():
+    # XXX This test is disabled because rexec is not deemed safe
+    return
+    import rexec
+    if verbose:
+        print "Testing interaction with restricted execution ..."
+
+    sandbox = rexec.RExec()
+
+    code1 = """f = open(%r, 'w')""" % TESTFN
+    code2 = """f = file(%r, 'w')""" % TESTFN
+    code3 = """\
+f = open(%r)
+t = type(f)  # a sneaky way to get the file() constructor
+f.close()
+f = t(%r, 'w')  # rexec can't catch this by itself
+""" % (TESTFN, TESTFN)
+
+    f = open(TESTFN, 'w')  # Create the file so code3 can find it.
+    f.close()
+
+    try:
+        for code in code1, code2, code3:
+            try:
+                sandbox.r_exec(code)
+            except IOError, msg:
+                if str(msg).find("restricted") >= 0:
+                    outcome = "OK"
+                else:
+                    outcome = "got an exception, but not an expected one"
+            else:
+                outcome = "expected a restricted-execution exception"
+
+            if outcome != "OK":
+                raise TestFailed("%s, in %r" % (outcome, code))
+
+    finally:
+        try:
+            import os
+            os.unlink(TESTFN)
+        except:
+            pass
+
+def str_subclass_as_dict_key():
+    if verbose:
+        print "Testing a str subclass used as dict key .."
+
+    class cistr(str):
+        """Sublcass of str that computes __eq__ case-insensitively.
+
+        Also computes a hash code of the string in canonical form.
+        """
+
+        def __init__(self, value):
+            self.canonical = value.lower()
+            self.hashcode = hash(self.canonical)
+
+        def __eq__(self, other):
+            if not isinstance(other, cistr):
+                other = cistr(other)
+            return self.canonical == other.canonical
+
+        def __hash__(self):
+            return self.hashcode
+
+    vereq(cistr('ABC'), 'abc')
+    vereq('aBc', cistr('ABC'))
+    vereq(str(cistr('ABC')), 'ABC')
+
+    d = {cistr('one'): 1, cistr('two'): 2, cistr('tHree'): 3}
+    vereq(d[cistr('one')], 1)
+    vereq(d[cistr('tWo')], 2)
+    vereq(d[cistr('THrEE')], 3)
+    verify(cistr('ONe') in d)
+    vereq(d.get(cistr('thrEE')), 3)
+
+def classic_comparisons():
+    if verbose: print "Testing classic comparisons..."
+    class classic:
+        pass
+    for base in (classic, int, object):
+        if verbose: print "        (base = %s)" % base
+        class C(base):
+            def __init__(self, value):
+                self.value = int(value)
+            def __cmp__(self, other):
+                if isinstance(other, C):
+                    return cmp(self.value, other.value)
+                if isinstance(other, int) or isinstance(other, long):
+                    return cmp(self.value, other)
+                return NotImplemented
+        c1 = C(1)
+        c2 = C(2)
+        c3 = C(3)
+        vereq(c1, 1)
+        c = {1: c1, 2: c2, 3: c3}
+        for x in 1, 2, 3:
+            for y in 1, 2, 3:
+                verify(cmp(c[x], c[y]) == cmp(x, y), "x=%d, y=%d" % (x, y))
+                for op in "<", "<=", "==", "!=", ">", ">=":
+                    verify(eval("c[x] %s c[y]" % op) == eval("x %s y" % op),
+                           "x=%d, y=%d" % (x, y))
+                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 Z(complex):
+        pass
+    z = Z(1)
+    vereq(z, 1+0j)
+    vereq(1+0j, z)
+    class ZZ(complex):
+        def __eq__(self, other):
+            try:
+                return abs(self - other) <= 1e-6
+            except:
+                return NotImplemented
+    zz = ZZ(1.0000003)
+    vereq(zz, 1+0j)
+    vereq(1+0j, zz)
+
+    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)
+        vereq(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 coercions():
+    if verbose: print "Testing coercions..."
+    class I(int): pass
+    coerce(I(0), 0)
+    coerce(0, I(0))
+    class L(long): pass
+    coerce(L(0), 0)
+    coerce(L(0), 0L)
+    coerce(0, L(0))
+    coerce(0L, L(0))
+    class F(float): pass
+    coerce(F(0), 0)
+    coerce(F(0), 0L)
+    coerce(F(0), 0.)
+    coerce(0, F(0))
+    coerce(0L, F(0))
+    coerce(0., F(0))
+    class C(complex): pass
+    coerce(C(0), 0)
+    coerce(C(0), 0L)
+    coerce(C(0), 0.)
+    coerce(C(0), 0j)
+    coerce(0, C(0))
+    coerce(0L, C(0))
+    coerce(0., C(0))
+    coerce(0j, C(0))
+
+def descrdoc():
+    if verbose: print "Testing descriptor doc strings..."
+    def check(descr, what):
+        vereq(descr.__doc__, what)
+    check(file.closed, "True if the file is closed") # getset descriptor
+    check(file.name, "file name") # member descriptor
+
+def setclass():
+    if verbose: print "Testing __class__ assignment..."
+    class C(object): pass
+    class D(object): pass
+    class E(object): pass
+    class F(D, E): pass
+    for cls in C, D, E, F:
+        for cls2 in C, D, E, F:
+            x = cls()
+            x.__class__ = cls2
+            verify(x.__class__ is cls2)
+            x.__class__ = cls
+            verify(x.__class__ is cls)
+    def cant(x, C):
+        try:
+            x.__class__ = C
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "shouldn't allow %r.__class__ = %r" % (x, C)
+        try:
+            delattr(x, "__class__")
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "shouldn't allow del %r.__class__" % x
+    cant(C(), list)
+    cant(list(), C)
+    cant(C(), 1)
+    cant(C(), object)
+    cant(object(), list)
+    cant(list(), object)
+    class Int(int): __slots__ = []
+    cant(2, Int)
+    cant(Int(), int)
+    cant(True, int)
+    cant(2, bool)
+    o = object()
+    cant(o, type(1))
+    cant(o, type(None))
+    del o
+
+def setdict():
+    if verbose: print "Testing __dict__ assignment..."
+    class C(object): pass
+    a = C()
+    a.__dict__ = {'b': 1}
+    vereq(a.b, 1)
+    def cant(x, dict):
+        try:
+            x.__dict__ = dict
+        except (AttributeError, TypeError):
+            pass
+        else:
+            raise TestFailed, "shouldn't allow %r.__dict__ = %r" % (x, dict)
+    cant(a, None)
+    cant(a, [])
+    cant(a, 1)
+    del a.__dict__ # Deleting __dict__ is allowed
+
+    class Base(object):
+        pass
+    def verify_dict_readonly(x):
+        """
+        x has to be an instance of a class inheriting from Base.
+        """
+        cant(x, {})
+        try:
+            del x.__dict__
+        except (AttributeError, TypeError):
+            pass
+        else:
+            raise TestFailed, "shouldn't allow del %r.__dict__" % x
+        dict_descr = Base.__dict__["__dict__"]
+        try:
+            dict_descr.__set__(x, {})
+        except (AttributeError, TypeError):
+            pass
+        else:
+            raise TestFailed, "dict_descr allowed access to %r's dict" % x
+
+    # Classes don't allow __dict__ assignment and have readonly dicts
+    class Meta1(type, Base):
+        pass
+    class Meta2(Base, type):
+        pass
+    class D(object):
+        __metaclass__ = Meta1
+    class E(object):
+        __metaclass__ = Meta2
+    for cls in C, D, E:
+        verify_dict_readonly(cls)
+        class_dict = cls.__dict__
+        try:
+            class_dict["spam"] = "eggs"
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "%r's __dict__ can be modified" % cls
+
+    # Modules also disallow __dict__ assignment
+    class Module1(types.ModuleType, Base):
+        pass
+    class Module2(Base, types.ModuleType):
+        pass
+    for ModuleType in Module1, Module2:
+        mod = ModuleType("spam")
+        verify_dict_readonly(mod)
+        mod.__dict__["spam"] = "eggs"
+
+    # Exception's __dict__ can be replaced, but not deleted
+    class Exception1(Exception, Base):
+        pass
+    class Exception2(Base, Exception):
+        pass
+    for ExceptionType in Exception, Exception1, Exception2:
+        e = ExceptionType()
+        e.__dict__ = {"a": 1}
+        vereq(e.a, 1)
+        try:
+            del e.__dict__
+        except (TypeError, AttributeError):
+            pass
+        else:
+            raise TestFaied, "%r's __dict__ can be deleted" % e
+
+
+def pickles():
+    if verbose:
+        print "Testing pickling and copying new-style classes and objects..."
+    import pickle, cPickle
+
+    def sorteditems(d):
+        L = d.items()
+        L.sort()
+        return L
+
+    global C
+    class C(object):
+        def __init__(self, a, b):
+            super(C, self).__init__()
+            self.a = a
+            self.b = b
+        def __repr__(self):
+            return "C(%r, %r)" % (self.a, self.b)
+
+    global C1
+    class C1(list):
+        def __new__(cls, a, b):
+            return super(C1, cls).__new__(cls)
+        def __getnewargs__(self):
+            return (self.a, self.b)
+        def __init__(self, a, b):
+            self.a = a
+            self.b = b
+        def __repr__(self):
+            return "C1(%r, %r)<%r>" % (self.a, self.b, list(self))
+
+    global C2
+    class C2(int):
+        def __new__(cls, a, b, val=0):
+            return super(C2, cls).__new__(cls, val)
+        def __getnewargs__(self):
+            return (self.a, self.b, int(self))
+        def __init__(self, a, b, val=0):
+            self.a = a
+            self.b = b
+        def __repr__(self):
+            return "C2(%r, %r)<%r>" % (self.a, self.b, int(self))
+
+    global C3
+    class C3(object):
+        def __init__(self, foo):
+            self.foo = foo
+        def __getstate__(self):
+            return self.foo
+        def __setstate__(self, foo):
+            self.foo = foo
+
+    global C4classic, C4
+    class C4classic: # classic
+        pass
+    class C4(C4classic, object): # mixed inheritance
+        pass
+
+    for p in pickle, cPickle:
+        for bin in 0, 1:
+            if verbose:
+                print p.__name__, ["text", "binary"][bin]
+
+            for cls in C, C1, C2:
+                s = p.dumps(cls, bin)
+                cls2 = p.loads(s)
+                verify(cls2 is cls)
+
+            a = C1(1, 2); a.append(42); a.append(24)
+            b = C2("hello", "world", 42)
+            s = p.dumps((a, b), bin)
+            x, y = p.loads(s)
+            vereq(x.__class__, a.__class__)
+            vereq(sorteditems(x.__dict__), sorteditems(a.__dict__))
+            vereq(y.__class__, b.__class__)
+            vereq(sorteditems(y.__dict__), sorteditems(b.__dict__))
+            vereq(repr(x), repr(a))
+            vereq(repr(y), repr(b))
+            if verbose:
+                print "a = x =", a
+                print "b = y =", b
+            # Test for __getstate__ and __setstate__ on new style class
+            u = C3(42)
+            s = p.dumps(u, bin)
+            v = p.loads(s)
+            veris(u.__class__, v.__class__)
+            vereq(u.foo, v.foo)
+            # Test for picklability of hybrid class
+            u = C4()
+            u.foo = 42
+            s = p.dumps(u, bin)
+            v = p.loads(s)
+            veris(u.__class__, v.__class__)
+            vereq(u.foo, v.foo)
+
+    # Testing copy.deepcopy()
+    if verbose:
+        print "deepcopy"
+    import copy
+    for cls in C, C1, C2:
+        cls2 = copy.deepcopy(cls)
+        verify(cls2 is cls)
+
+    a = C1(1, 2); a.append(42); a.append(24)
+    b = C2("hello", "world", 42)
+    x, y = copy.deepcopy((a, b))
+    vereq(x.__class__, a.__class__)
+    vereq(sorteditems(x.__dict__), sorteditems(a.__dict__))
+    vereq(y.__class__, b.__class__)
+    vereq(sorteditems(y.__dict__), sorteditems(b.__dict__))
+    vereq(repr(x), repr(a))
+    vereq(repr(y), repr(b))
+    if verbose:
+        print "a = x =", a
+        print "b = y =", b
+
+def pickleslots():
+    if verbose: print "Testing pickling of classes with __slots__ ..."
+    import pickle, cPickle
+    # Pickling of classes with __slots__ but without __getstate__ should fail
+    global B, C, D, E
+    class B(object):
+        pass
+    for base in [object, B]:
+        class C(base):
+            __slots__ = ['a']
+        class D(C):
+            pass
+        try:
+            pickle.dumps(C())
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "should fail: pickle C instance - %s" % base
+        try:
+            cPickle.dumps(C())
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "should fail: cPickle C instance - %s" % base
+        try:
+            pickle.dumps(C())
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "should fail: pickle D instance - %s" % base
+        try:
+            cPickle.dumps(D())
+        except TypeError:
+            pass
+        else:
+            raise TestFailed, "should fail: cPickle D instance - %s" % base
+        # Give C a nice generic __getstate__ and __setstate__
+        class C(base):
+            __slots__ = ['a']
+            def __getstate__(self):
+                try:
+                    d = self.__dict__.copy()
+                except AttributeError:
+                    d = {}
+                for cls in self.__class__.__mro__:
+                    for sn in cls.__dict__.get('__slots__', ()):
+                        try:
+                            d[sn] = getattr(self, sn)
+                        except AttributeError:
+                            pass
+                return d
+            def __setstate__(self, d):
+                for k, v in d.items():
+                    setattr(self, k, v)
+        class D(C):
+            pass
+        # Now it should work
+        x = C()
+        y = pickle.loads(pickle.dumps(x))
+        vereq(hasattr(y, 'a'), 0)
+        y = cPickle.loads(cPickle.dumps(x))
+        vereq(hasattr(y, 'a'), 0)
+        x.a = 42
+        y = pickle.loads(pickle.dumps(x))
+        vereq(y.a, 42)
+        y = cPickle.loads(cPickle.dumps(x))
+        vereq(y.a, 42)
+        x = D()
+        x.a = 42
+        x.b = 100
+        y = pickle.loads(pickle.dumps(x))
+        vereq(y.a + y.b, 142)
+        y = cPickle.loads(cPickle.dumps(x))
+        vereq(y.a + y.b, 142)
+        # A subclass that adds a slot should also work
+        class E(C):
+            __slots__ = ['b']
+        x = E()
+        x.a = 42
+        x.b = "foo"
+        y = pickle.loads(pickle.dumps(x))
+        vereq(y.a, x.a)
+        vereq(y.b, x.b)
+        y = cPickle.loads(cPickle.dumps(x))
+        vereq(y.a, x.a)
+        vereq(y.b, x.b)
+
+def copies():
+    if verbose: print "Testing copy.copy() and copy.deepcopy()..."
+    import copy
+    class C(object):
+        pass
+
+    a = C()
+    a.foo = 12
+    b = copy.copy(a)
+    vereq(b.__dict__, a.__dict__)
+
+    a.bar = [1,2,3]
+    c = copy.copy(a)
+    vereq(c.bar, a.bar)
+    verify(c.bar is a.bar)
+
+    d = copy.deepcopy(a)
+    vereq(d.__dict__, a.__dict__)
+    a.bar.append(4)
+    vereq(d.bar, [1,2,3])
+
+def binopoverride():
+    if verbose: print "Testing overrides of binary operations..."
+    class I(int):
+        def __repr__(self):
+            return "I(%r)" % int(self)
+        def __add__(self, other):
+            return I(int(self) + int(other))
+        __radd__ = __add__
+        def __pow__(self, other, mod=None):
+            if mod is None:
+                return I(pow(int(self), int(other)))
+            else:
+                return I(pow(int(self), int(other), int(mod)))
+        def __rpow__(self, other, mod=None):
+            if mod is None:
+                return I(pow(int(other), int(self), mod))
+            else:
+                return I(pow(int(other), int(self), int(mod)))
+
+    vereq(repr(I(1) + I(2)), "I(3)")
+    vereq(repr(I(1) + 2), "I(3)")
+    vereq(repr(1 + I(2)), "I(3)")
+    vereq(repr(I(2) ** I(3)), "I(8)")
+    vereq(repr(2 ** I(3)), "I(8)")
+    vereq(repr(I(2) ** 3), "I(8)")
+    vereq(repr(pow(I(2), I(3), I(5))), "I(3)")
+    class S(str):
+        def __eq__(self, other):
+            return self.lower() == other.lower()
+
+def subclasspropagation():
+    if verbose: print "Testing propagation of slot functions to subclasses..."
+    class A(object):
+        pass
+    class B(A):
+        pass
+    class C(A):
+        pass
+    class D(B, C):
+        pass
+    d = D()
+    orig_hash = hash(d) # related to id(d) in platform-dependent ways
+    A.__hash__ = lambda self: 42
+    vereq(hash(d), 42)
+    C.__hash__ = lambda self: 314
+    vereq(hash(d), 314)
+    B.__hash__ = lambda self: 144
+    vereq(hash(d), 144)
+    D.__hash__ = lambda self: 100
+    vereq(hash(d), 100)
+    del D.__hash__
+    vereq(hash(d), 144)
+    del B.__hash__
+    vereq(hash(d), 314)
+    del C.__hash__
+    vereq(hash(d), 42)
+    del A.__hash__
+    vereq(hash(d), orig_hash)
+    d.foo = 42
+    d.bar = 42
+    vereq(d.foo, 42)
+    vereq(d.bar, 42)
+    def __getattribute__(self, name):
+        if name == "foo":
+            return 24
+        return object.__getattribute__(self, name)
+    A.__getattribute__ = __getattribute__
+    vereq(d.foo, 24)
+    vereq(d.bar, 42)
+    def __getattr__(self, name):
+        if name in ("spam", "foo", "bar"):
+            return "hello"
+        raise AttributeError, name
+    B.__getattr__ = __getattr__
+    vereq(d.spam, "hello")
+    vereq(d.foo, 24)
+    vereq(d.bar, 42)
+    del A.__getattribute__
+    vereq(d.foo, 42)
+    del d.foo
+    vereq(d.foo, "hello")
+    vereq(d.bar, 42)
+    del B.__getattr__
+    try:
+        d.foo
+    except AttributeError:
+        pass
+    else:
+        raise TestFailed, "d.foo should be undefined now"
+
+    # Test a nasty bug in recurse_down_subclasses()
+    import gc
+    class A(object):
+        pass
+    class B(A):
+        pass
+    del B
+    gc.collect()
+    A.__setitem__ = lambda *a: None # crash
+
+def buffer_inherit():
+    import binascii
+    # SF bug [#470040] ParseTuple t# vs subclasses.
+    if verbose:
+        print "Testing that buffer interface is inherited ..."
+
+    class MyStr(str):
+        pass
+    base = 'abc'
+    m = MyStr(base)
+    # b2a_hex uses the buffer interface to get its argument's value, via
+    # PyArg_ParseTuple 't#' code.
+    vereq(binascii.b2a_hex(m), binascii.b2a_hex(base))
+
+    # It's not clear that unicode will continue to support the character
+    # buffer interface, and this test will fail if that's taken away.
+    class MyUni(unicode):
+        pass
+    base = u'abc'
+    m = MyUni(base)
+    vereq(binascii.b2a_hex(m), binascii.b2a_hex(base))
+
+    class MyInt(int):
+        pass
+    m = MyInt(42)
+    try:
+        binascii.b2a_hex(m)
+        raise TestFailed('subclass of int should not have a buffer interface')
+    except TypeError:
+        pass
+
+def str_of_str_subclass():
+    import binascii
+    import cStringIO
+
+    if verbose:
+        print "Testing __str__ defined in subclass of str ..."
+
+    class octetstring(str):
+        def __str__(self):
+            return binascii.b2a_hex(self)
+        def __repr__(self):
+            return self + " repr"
+
+    o = octetstring('A')
+    vereq(type(o), octetstring)
+    vereq(type(str(o)), str)
+    vereq(type(repr(o)), str)
+    vereq(ord(o), 0x41)
+    vereq(str(o), '41')
+    vereq(repr(o), 'A repr')
+    vereq(o.__str__(), '41')
+    vereq(o.__repr__(), 'A repr')
+
+    capture = cStringIO.StringIO()
+    # Calling str() or not exercises different internal paths.
+    print >> capture, o
+    print >> capture, str(o)
+    vereq(capture.getvalue(), '41\n41\n')
+    capture.close()
+
+def kwdargs():
+    if verbose: print "Testing keyword arguments to __init__, __call__..."
+    def f(a): return a
+    vereq(f.__call__(a=42), 42)
+    a = []
+    list.__init__(a, sequence=[0, 1, 2])
+    vereq(a, [0, 1, 2])
+
+def recursive__call__():
+    if verbose: print ("Testing recursive __call__() by setting to instance of "
+                        "class ...")
+    class A(object):
+        pass
+
+    A.__call__ = A()
+    try:
+        A()()
+    except RuntimeError:
+        pass
+    else:
+        raise TestFailed("Recursion limit should have been reached for "
+                         "__call__()")
+
+def delhook():
+    if verbose: print "Testing __del__ hook..."
+    log = []
+    class C(object):
+        def __del__(self):
+            log.append(1)
+    c = C()
+    vereq(log, [])
+    del c
+    vereq(log, [1])
+
+    class D(object): pass
+    d = D()
+    try: del d[0]
+    except TypeError: pass
+    else: raise TestFailed, "invalid del() didn't raise TypeError"
+
+def hashinherit():
+    if verbose: print "Testing hash of mutable subclasses..."
+
+    class mydict(dict):
+        pass
+    d = mydict()
+    try:
+        hash(d)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "hash() of dict subclass should fail"
+
+    class mylist(list):
+        pass
+    d = mylist()
+    try:
+        hash(d)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "hash() of list subclass should fail"
+
+def strops():
+    try: 'a' + 5
+    except TypeError: pass
+    else: raise TestFailed, "'' + 5 doesn't raise TypeError"
+
+    try: ''.split('')
+    except ValueError: pass
+    else: raise TestFailed, "''.split('') doesn't raise ValueError"
+
+    try: ''.join([0])
+    except TypeError: pass
+    else: raise TestFailed, "''.join([0]) doesn't raise TypeError"
+
+    try: ''.rindex('5')
+    except ValueError: pass
+    else: raise TestFailed, "''.rindex('5') doesn't raise ValueError"
+
+    try: '%(n)s' % None
+    except TypeError: pass
+    else: raise TestFailed, "'%(n)s' % None doesn't raise TypeError"
+
+    try: '%(n' % {}
+    except ValueError: pass
+    else: raise TestFailed, "'%(n' % {} '' doesn't raise ValueError"
+
+    try: '%*s' % ('abc')
+    except TypeError: pass
+    else: raise TestFailed, "'%*s' % ('abc') doesn't raise TypeError"
+
+    try: '%*.*s' % ('abc', 5)
+    except TypeError: pass
+    else: raise TestFailed, "'%*.*s' % ('abc', 5) doesn't raise TypeError"
+
+    try: '%s' % (1, 2)
+    except TypeError: pass
+    else: raise TestFailed, "'%s' % (1, 2) doesn't raise TypeError"
+
+    try: '%' % None
+    except ValueError: pass
+    else: raise TestFailed, "'%' % None doesn't raise ValueError"
+
+    vereq('534253'.isdigit(), 1)
+    vereq('534253x'.isdigit(), 0)
+    vereq('%c' % 5, '\x05')
+    vereq('%c' % '5', '5')
+
+def deepcopyrecursive():
+    if verbose: print "Testing deepcopy of recursive objects..."
+    class Node:
+        pass
+    a = Node()
+    b = Node()
+    a.b = b
+    b.a = a
+    z = deepcopy(a) # This blew up before
+
+def modules():
+    if verbose: print "Testing uninitialized module objects..."
+    from types import ModuleType as M
+    m = M.__new__(M)
+    str(m)
+    vereq(hasattr(m, "__name__"), 0)
+    vereq(hasattr(m, "__file__"), 0)
+    vereq(hasattr(m, "foo"), 0)
+    vereq(m.__dict__, None)
+    m.foo = 1
+    vereq(m.__dict__, {"foo": 1})
+
+def dictproxyiterkeys():
+    class C(object):
+        def meth(self):
+            pass
+    if verbose: print "Testing dict-proxy iterkeys..."
+    keys = [ key for key in C.__dict__.iterkeys() ]
+    keys.sort()
+    vereq(keys, ['__dict__', '__doc__', '__module__', '__weakref__', 'meth'])
+
+def dictproxyitervalues():
+    class C(object):
+        def meth(self):
+            pass
+    if verbose: print "Testing dict-proxy itervalues..."
+    values = [ values for values in C.__dict__.itervalues() ]
+    vereq(len(values), 5)
+
+def dictproxyiteritems():
+    class C(object):
+        def meth(self):
+            pass
+    if verbose: print "Testing dict-proxy iteritems..."
+    keys = [ key for (key, value) in C.__dict__.iteritems() ]
+    keys.sort()
+    vereq(keys, ['__dict__', '__doc__', '__module__', '__weakref__', 'meth'])
+
+def funnynew():
+    if verbose: print "Testing __new__ returning something unexpected..."
+    class C(object):
+        def __new__(cls, arg):
+            if isinstance(arg, str): return [1, 2, 3]
+            elif isinstance(arg, int): return object.__new__(D)
+            else: return object.__new__(cls)
+    class D(C):
+        def __init__(self, arg):
+            self.foo = arg
+    vereq(C("1"), [1, 2, 3])
+    vereq(D("1"), [1, 2, 3])
+    d = D(None)
+    veris(d.foo, None)
+    d = C(1)
+    vereq(isinstance(d, D), True)
+    vereq(d.foo, 1)
+    d = D(1)
+    vereq(isinstance(d, D), True)
+    vereq(d.foo, 1)
+
+def imulbug():
+    # SF bug 544647
+    if verbose: print "Testing for __imul__ problems..."
+    class C(object):
+        def __imul__(self, other):
+            return (self, other)
+    x = C()
+    y = x
+    y *= 1.0
+    vereq(y, (x, 1.0))
+    y = x
+    y *= 2
+    vereq(y, (x, 2))
+    y = x
+    y *= 3L
+    vereq(y, (x, 3L))
+    y = x
+    y *= 1L<<100
+    vereq(y, (x, 1L<<100))
+    y = x
+    y *= None
+    vereq(y, (x, None))
+    y = x
+    y *= "foo"
+    vereq(y, (x, "foo"))
+
+def docdescriptor():
+    # SF bug 542984
+    if verbose: print "Testing __doc__ descriptor..."
+    class DocDescr(object):
+        def __get__(self, object, otype):
+            if object:
+                object = object.__class__.__name__ + ' instance'
+            if otype:
+                otype = otype.__name__
+            return 'object=%s; type=%s' % (object, otype)
+    class OldClass:
+        __doc__ = DocDescr()
+    class NewClass(object):
+        __doc__ = DocDescr()
+    vereq(OldClass.__doc__, 'object=None; type=OldClass')
+    vereq(OldClass().__doc__, 'object=OldClass instance; type=OldClass')
+    vereq(NewClass.__doc__, 'object=None; type=NewClass')
+    vereq(NewClass().__doc__, 'object=NewClass instance; type=NewClass')
+
+def copy_setstate():
+    if verbose:
+        print "Testing that copy.*copy() correctly uses __setstate__..."
+    import copy
+    class C(object):
+        def __init__(self, foo=None):
+            self.foo = foo
+            self.__foo = foo
+        def setfoo(self, foo=None):
+            self.foo = foo
+        def getfoo(self):
+            return self.__foo
+        def __getstate__(self):
+            return [self.foo]
+        def __setstate__(self, lst):
+            assert len(lst) == 1
+            self.__foo = self.foo = lst[0]
+    a = C(42)
+    a.setfoo(24)
+    vereq(a.foo, 24)
+    vereq(a.getfoo(), 42)
+    b = copy.copy(a)
+    vereq(b.foo, 24)
+    vereq(b.getfoo(), 24)
+    b = copy.deepcopy(a)
+    vereq(b.foo, 24)
+    vereq(b.getfoo(), 24)
+
+def slices():
+    if verbose:
+        print "Testing cases with slices and overridden __getitem__ ..."
+    # Strings
+    vereq("hello"[:4], "hell")
+    vereq("hello"[slice(4)], "hell")
+    vereq(str.__getitem__("hello", slice(4)), "hell")
+    class S(str):
+        def __getitem__(self, x):
+            return str.__getitem__(self, x)
+    vereq(S("hello")[:4], "hell")
+    vereq(S("hello")[slice(4)], "hell")
+    vereq(S("hello").__getitem__(slice(4)), "hell")
+    # Tuples
+    vereq((1,2,3)[:2], (1,2))
+    vereq((1,2,3)[slice(2)], (1,2))
+    vereq(tuple.__getitem__((1,2,3), slice(2)), (1,2))
+    class T(tuple):
+        def __getitem__(self, x):
+            return tuple.__getitem__(self, x)
+    vereq(T((1,2,3))[:2], (1,2))
+    vereq(T((1,2,3))[slice(2)], (1,2))
+    vereq(T((1,2,3)).__getitem__(slice(2)), (1,2))
+    # Lists
+    vereq([1,2,3][:2], [1,2])
+    vereq([1,2,3][slice(2)], [1,2])
+    vereq(list.__getitem__([1,2,3], slice(2)), [1,2])
+    class L(list):
+        def __getitem__(self, x):
+            return list.__getitem__(self, x)
+    vereq(L([1,2,3])[:2], [1,2])
+    vereq(L([1,2,3])[slice(2)], [1,2])
+    vereq(L([1,2,3]).__getitem__(slice(2)), [1,2])
+    # Now do lists and __setitem__
+    a = L([1,2,3])
+    a[slice(1, 3)] = [3,2]
+    vereq(a, [1,3,2])
+    a[slice(0, 2, 1)] = [3,1]
+    vereq(a, [3,1,2])
+    a.__setitem__(slice(1, 3), [2,1])
+    vereq(a, [3,2,1])
+    a.__setitem__(slice(0, 2, 1), [2,3])
+    vereq(a, [2,3,1])
+
+def subtype_resurrection():
+    if verbose:
+        print "Testing resurrection of new-style instance..."
+
+    class C(object):
+        container = []
+
+        def __del__(self):
+            # resurrect the instance
+            C.container.append(self)
+
+    c = C()
+    c.attr = 42
+    # The most interesting thing here is whether this blows up, due to flawed
+    #  GC tracking logic in typeobject.c's call_finalizer() (a 2.2.1 bug).
+    del c
+
+    # If that didn't blow up, it's also interesting to see whether clearing
+    # the last container slot works:  that will attempt to delete c again,
+    # which will cause c to get appended back to the container again "during"
+    # the del.
+    del C.container[-1]
+    vereq(len(C.container), 1)
+    vereq(C.container[-1].attr, 42)
+
+    # Make c mortal again, so that the test framework with -l doesn't report
+    # it as a leak.
+    del C.__del__
+
+def slottrash():
+    # Deallocating deeply nested slotted trash caused stack overflows
+    if verbose:
+        print "Testing slot trash..."
+    class trash(object):
+        __slots__ = ['x']
+        def __init__(self, x):
+            self.x = x
+    o = None
+    for i in xrange(50000):
+        o = trash(o)
+    del o
+
+def slotmultipleinheritance():
+    # SF bug 575229, multiple inheritance w/ slots dumps core
+    class A(object):
+        __slots__=()
+    class B(object):
+        pass
+    class C(A,B) :
+        __slots__=()
+    vereq(C.__basicsize__, B.__basicsize__)
+    verify(hasattr(C, '__dict__'))
+    verify(hasattr(C, '__weakref__'))
+    C().x = 2
+
+def testrmul():
+    # SF patch 592646
+    if verbose:
+        print "Testing correct invocation of __rmul__..."
+    class C(object):
+        def __mul__(self, other):
+            return "mul"
+        def __rmul__(self, other):
+            return "rmul"
+    a = C()
+    vereq(a*2, "mul")
+    vereq(a*2.2, "mul")
+    vereq(2*a, "rmul")
+    vereq(2.2*a, "rmul")
+
+def testipow():
+    # [SF bug 620179]
+    if verbose:
+        print "Testing correct invocation of __ipow__..."
+    class C(object):
+        def __ipow__(self, other):
+            pass
+    a = C()
+    a **= 2
+
+def do_this_first():
+    if verbose:
+        print "Testing SF bug 551412 ..."
+    # This dumps core when SF bug 551412 isn't fixed --
+    # but only when test_descr.py is run separately.
+    # (That can't be helped -- as soon as PyType_Ready()
+    # is called for PyLong_Type, the bug is gone.)
+    class UserLong(object):
+        def __pow__(self, *args):
+            pass
+    try:
+        pow(0L, UserLong(), 0L)
+    except:
+        pass
+
+    if verbose:
+        print "Testing SF bug 570483..."
+    # Another segfault only when run early
+    # (before PyType_Ready(tuple) is called)
+    type.mro(tuple)
+
+def test_mutable_bases():
+    if verbose:
+        print "Testing mutable bases..."
+    # stuff that should work:
+    class C(object):
+        pass
+    class C2(object):
+        def __getattribute__(self, attr):
+            if attr == 'a':
+                return 2
+            else:
+                return super(C2, self).__getattribute__(attr)
+        def meth(self):
+            return 1
+    class D(C):
+        pass
+    class E(D):
+        pass
+    d = D()
+    e = E()
+    D.__bases__ = (C,)
+    D.__bases__ = (C2,)
+    vereq(d.meth(), 1)
+    vereq(e.meth(), 1)
+    vereq(d.a, 2)
+    vereq(e.a, 2)
+    vereq(C2.__subclasses__(), [D])
+
+    # stuff that shouldn't:
+    class L(list):
+        pass
+
+    try:
+        L.__bases__ = (dict,)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't turn list subclass into dict subclass"
+
+    try:
+        list.__bases__ = (dict,)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't be able to assign to list.__bases__"
+
+    try:
+        del D.__bases__
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't be able to delete .__bases__"
+
+    try:
+        D.__bases__ = ()
+    except TypeError, msg:
+        if str(msg) == "a new-style class can't have only classic bases":
+            raise TestFailed, "wrong error message for .__bases__ = ()"
+    else:
+        raise TestFailed, "shouldn't be able to set .__bases__ to ()"
+
+    try:
+        D.__bases__ = (D,)
+    except TypeError:
+        pass
+    else:
+        # actually, we'll have crashed by here...
+        raise TestFailed, "shouldn't be able to create inheritance cycles"
+
+    try:
+        D.__bases__ = (C, C)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "didn't detect repeated base classes"
+
+    try:
+        D.__bases__ = (E,)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't be able to create inheritance cycles"
+
+    # let's throw a classic class into the mix:
+    class Classic:
+        def meth2(self):
+            return 3
+
+    D.__bases__ = (C, Classic)
+
+    vereq(d.meth2(), 3)
+    vereq(e.meth2(), 3)
+    try:
+        d.a
+    except AttributeError:
+        pass
+    else:
+        raise TestFailed, "attribute should have vanished"
+
+    try:
+        D.__bases__ = (Classic,)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "new-style class must have a new-style base"
+
+def test_mutable_bases_with_failing_mro():
+    if verbose:
+        print "Testing mutable bases with failing mro..."
+    class WorkOnce(type):
+        def __new__(self, name, bases, ns):
+            self.flag = 0
+            return super(WorkOnce, self).__new__(WorkOnce, name, bases, ns)
+        def mro(self):
+            if self.flag > 0:
+                raise RuntimeError, "bozo"
+            else:
+                self.flag += 1
+                return type.mro(self)
+
+    class WorkAlways(type):
+        def mro(self):
+            # this is here to make sure that .mro()s aren't called
+            # with an exception set (which was possible at one point).
+            # An error message will be printed in a debug build.
+            # What's a good way to test for this?
+            return type.mro(self)
+
+    class C(object):
+        pass
+
+    class C2(object):
+        pass
+
+    class D(C):
+        pass
+
+    class E(D):
+        pass
+
+    class F(D):
+        __metaclass__ = WorkOnce
+
+    class G(D):
+        __metaclass__ = WorkAlways
+
+    # Immediate subclasses have their mro's adjusted in alphabetical
+    # order, so E's will get adjusted before adjusting F's fails.  We
+    # check here that E's gets restored.
+
+    E_mro_before = E.__mro__
+    D_mro_before = D.__mro__
+
+    try:
+        D.__bases__ = (C2,)
+    except RuntimeError:
+        vereq(E.__mro__, E_mro_before)
+        vereq(D.__mro__, D_mro_before)
+    else:
+        raise TestFailed, "exception not propagated"
+
+def test_mutable_bases_catch_mro_conflict():
+    if verbose:
+        print "Testing mutable bases catch mro conflict..."
+    class A(object):
+        pass
+
+    class B(object):
+        pass
+
+    class C(A, B):
+        pass
+
+    class D(A, B):
+        pass
+
+    class E(C, D):
+        pass
+
+    try:
+        C.__bases__ = (B, A)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "didn't catch MRO conflict"
+
+def mutable_names():
+    if verbose:
+        print "Testing mutable names..."
+    class C(object):
+        pass
+
+    # C.__module__ could be 'test_descr' or '__main__'
+    mod = C.__module__
+
+    C.__name__ = 'D'
+    vereq((C.__module__, C.__name__), (mod, 'D'))
+
+    C.__name__ = 'D.E'
+    vereq((C.__module__, C.__name__), (mod, 'D.E'))
+
+def subclass_right_op():
+    if verbose:
+        print "Testing correct dispatch of subclass overloading __r<op>__..."
+
+    # This code tests various cases where right-dispatch of a subclass
+    # should be preferred over left-dispatch of a base class.
+
+    # Case 1: subclass of int; this tests code in abstract.c::binary_op1()
+
+    class B(int):
+        def __floordiv__(self, other):
+            return "B.__floordiv__"
+        def __rfloordiv__(self, other):
+            return "B.__rfloordiv__"
+
+    vereq(B(1) // 1, "B.__floordiv__")
+    vereq(1 // B(1), "B.__rfloordiv__")
+
+    # Case 2: subclass of object; this is just the baseline for case 3
+
+    class C(object):
+        def __floordiv__(self, other):
+            return "C.__floordiv__"
+        def __rfloordiv__(self, other):
+            return "C.__rfloordiv__"
+
+    vereq(C() // 1, "C.__floordiv__")
+    vereq(1 // C(), "C.__rfloordiv__")
+
+    # Case 3: subclass of new-style class; here it gets interesting
+
+    class D(C):
+        def __floordiv__(self, other):
+            return "D.__floordiv__"
+        def __rfloordiv__(self, other):
+            return "D.__rfloordiv__"
+
+    vereq(D() // C(), "D.__floordiv__")
+    vereq(C() // D(), "D.__rfloordiv__")
+
+    # Case 4: this didn't work right in 2.2.2 and 2.3a1
+
+    class E(C):
+        pass
+
+    vereq(E.__rfloordiv__, C.__rfloordiv__)
+
+    vereq(E() // 1, "C.__floordiv__")
+    vereq(1 // E(), "C.__rfloordiv__")
+    vereq(E() // C(), "C.__floordiv__")
+    vereq(C() // E(), "C.__floordiv__") # This one would fail
+
+def dict_type_with_metaclass():
+    if verbose:
+        print "Testing type of __dict__ when __metaclass__ set..."
+
+    class B(object):
+        pass
+    class M(type):
+        pass
+    class C:
+        # In 2.3a1, C.__dict__ was a real dict rather than a dict proxy
+        __metaclass__ = M
+    veris(type(C.__dict__), type(B.__dict__))
+
+def meth_class_get():
+    # Full coverage of descrobject.c::classmethod_get()
+    if verbose:
+        print "Testing __get__ method of METH_CLASS C methods..."
+    # Baseline
+    arg = [1, 2, 3]
+    res = {1: None, 2: None, 3: None}
+    vereq(dict.fromkeys(arg), res)
+    vereq({}.fromkeys(arg), res)
+    # Now get the descriptor
+    descr = dict.__dict__["fromkeys"]
+    # More baseline using the descriptor directly
+    vereq(descr.__get__(None, dict)(arg), res)
+    vereq(descr.__get__({})(arg), res)
+    # Now check various error cases
+    try:
+        descr.__get__(None, None)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't have allowed descr.__get__(None, None)"
+    try:
+        descr.__get__(42)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't have allowed descr.__get__(42)"
+    try:
+        descr.__get__(None, 42)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't have allowed descr.__get__(None, 42)"
+    try:
+        descr.__get__(None, int)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "shouldn't have allowed descr.__get__(None, int)"
+
+def isinst_isclass():
+    if verbose:
+        print "Testing proxy isinstance() and isclass()..."
+    class Proxy(object):
+        def __init__(self, obj):
+            self.__obj = obj
+        def __getattribute__(self, name):
+            if name.startswith("_Proxy__"):
+                return object.__getattribute__(self, name)
+            else:
+                return getattr(self.__obj, name)
+    # Test with a classic class
+    class C:
+        pass
+    a = C()
+    pa = Proxy(a)
+    verify(isinstance(a, C))  # Baseline
+    verify(isinstance(pa, C)) # Test
+    # Test with a classic subclass
+    class D(C):
+        pass
+    a = D()
+    pa = Proxy(a)
+    verify(isinstance(a, C))  # Baseline
+    verify(isinstance(pa, C)) # Test
+    # Test with a new-style class
+    class C(object):
+        pass
+    a = C()
+    pa = Proxy(a)
+    verify(isinstance(a, C))  # Baseline
+    verify(isinstance(pa, C)) # Test
+    # Test with a new-style subclass
+    class D(C):
+        pass
+    a = D()
+    pa = Proxy(a)
+    verify(isinstance(a, C))  # Baseline
+    verify(isinstance(pa, C)) # Test
+
+def proxysuper():
+    if verbose:
+        print "Testing super() for a proxy object..."
+    class Proxy(object):
+        def __init__(self, obj):
+            self.__obj = obj
+        def __getattribute__(self, name):
+            if name.startswith("_Proxy__"):
+                return object.__getattribute__(self, name)
+            else:
+                return getattr(self.__obj, name)
+
+    class B(object):
+        def f(self):
+            return "B.f"
+
+    class C(B):
+        def f(self):
+            return super(C, self).f() + "->C.f"
+
+    obj = C()
+    p = Proxy(obj)
+    vereq(C.__dict__["f"](p), "B.f->C.f")
+
+def carloverre():
+    if verbose:
+        print "Testing prohibition of Carlo Verre's hack..."
+    try:
+        object.__setattr__(str, "foo", 42)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "Carlo Verre __setattr__ suceeded!"
+    try:
+        object.__delattr__(str, "lower")
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "Carlo Verre __delattr__ succeeded!"
+
+def weakref_segfault():
+    # SF 742911
+    if verbose:
+        print "Testing weakref segfault..."
+
+    import weakref
+
+    class Provoker:
+        def __init__(self, referrent):
+            self.ref = weakref.ref(referrent)
+
+        def __del__(self):
+            x = self.ref()
+
+    class Oops(object):
+        pass
+
+    o = Oops()
+    o.whatever = Provoker(o)
+    del o
+
+def wrapper_segfault():
+    # SF 927248: deeply nested wrappers could cause stack overflow
+    f = lambda:None
+    for i in xrange(1000000):
+        f = f.__call__
+    f = None
+
+# Fix SF #762455, segfault when sys.stdout is changed in getattr
+def filefault():
+    if verbose:
+        print "Testing sys.stdout is changed in getattr..."
+    import sys
+    class StdoutGuard:
+        def __getattr__(self, attr):
+            sys.stdout = sys.__stdout__
+            raise RuntimeError("Premature access to sys.stdout.%s" % attr)
+    sys.stdout = StdoutGuard()
+    try:
+        print "Oops!"
+    except RuntimeError:
+        pass
+
+def vicious_descriptor_nonsense():
+    # A potential segfault spotted by Thomas Wouters in mail to
+    # python-dev 2003-04-17, turned into an example & fixed by Michael
+    # Hudson just less than four months later...
+    if verbose:
+        print "Testing vicious_descriptor_nonsense..."
+
+    class Evil(object):
+        def __hash__(self):
+            return hash('attr')
+        def __eq__(self, other):
+            del C.attr
+            return 0
+
+    class Descr(object):
+        def __get__(self, ob, type=None):
+            return 1
+
+    class C(object):
+        attr = Descr()
+
+    c = C()
+    c.__dict__[Evil()] = 0
+
+    vereq(c.attr, 1)
+    # this makes a crash more likely:
+    import gc; gc.collect()
+    vereq(hasattr(c, 'attr'), False)
+
+def test_init():
+    # SF 1155938
+    class Foo(object):
+        def __init__(self):
+            return 10
+    try:
+        Foo()
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "did not test __init__() for None return"
+
+def methodwrapper():
+    # <type 'method-wrapper'> did not support any reflection before 2.5
+    if verbose:
+        print "Testing method-wrapper objects..."
+
+    l = []
+    vereq(l.__add__, l.__add__)
+    vereq(l.__add__, [].__add__)
+    verify(l.__add__ != [5].__add__)
+    verify(l.__add__ != l.__mul__)
+    verify(l.__add__.__name__ == '__add__')
+    verify(l.__add__.__self__ is l)
+    verify(l.__add__.__objclass__ is list)
+    vereq(l.__add__.__doc__, list.__add__.__doc__)
+    try:
+        hash(l.__add__)
+    except TypeError:
+        pass
+    else:
+        raise TestFailed("no TypeError from hash([].__add__)")
+
+    t = ()
+    t += (7,)
+    vereq(t.__add__, (7,).__add__)
+    vereq(hash(t.__add__), hash((7,).__add__))
+
+def notimplemented():
+    # all binary methods should be able to return a NotImplemented
+    if verbose:
+        print "Testing NotImplemented..."
+
+    import sys
+    import types
+    import operator
+
+    def specialmethod(self, other):
+        return NotImplemented
+
+    def check(expr, x, y):
+        try:
+            exec expr in {'x': x, 'y': y, 'operator': operator}
+        except TypeError:
+            pass
+        else:
+            raise TestFailed("no TypeError from %r" % (expr,))
+
+    N1 = sys.maxint + 1L    # might trigger OverflowErrors instead of TypeErrors
+    N2 = sys.maxint         # if sizeof(int) < sizeof(long), might trigger
+                            #   ValueErrors instead of TypeErrors
+    for metaclass in [type, types.ClassType]:
+        for name, expr, iexpr in [
+                ('__add__',      'x + y',                   'x += y'),
+                ('__sub__',      'x - y',                   'x -= y'),
+                ('__mul__',      'x * y',                   'x *= y'),
+                ('__truediv__',  'operator.truediv(x, y)',  None),
+                ('__floordiv__', 'operator.floordiv(x, y)', None),
+                ('__div__',      'x / y',                   'x /= y'),
+                ('__mod__',      'x % y',                   'x %= y'),
+                ('__divmod__',   'divmod(x, y)',            None),
+                ('__pow__',      'x ** y',                  'x **= y'),
+                ('__lshift__',   'x << y',                  'x <<= y'),
+                ('__rshift__',   'x >> y',                  'x >>= y'),
+                ('__and__',      'x & y',                   'x &= y'),
+                ('__or__',       'x | y',                   'x |= y'),
+                ('__xor__',      'x ^ y',                   'x ^= y'),
+                ('__coerce__',   'coerce(x, y)',            None)]:
+            if name == '__coerce__':
+                rname = name
+            else:
+                rname = '__r' + name[2:]
+            A = metaclass('A', (), {name: specialmethod})
+            B = metaclass('B', (), {rname: specialmethod})
+            a = A()
+            b = B()
+            check(expr, a, a)
+            check(expr, a, b)
+            check(expr, b, a)
+            check(expr, b, b)
+            check(expr, a, N1)
+            check(expr, a, N2)
+            check(expr, N1, b)
+            check(expr, N2, b)
+            if iexpr:
+                check(iexpr, a, a)
+                check(iexpr, a, b)
+                check(iexpr, b, a)
+                check(iexpr, b, b)
+                check(iexpr, a, N1)
+                check(iexpr, a, N2)
+                iname = '__i' + name[2:]
+                C = metaclass('C', (), {iname: specialmethod})
+                c = C()
+                check(iexpr, c, a)
+                check(iexpr, c, b)
+                check(iexpr, c, N1)
+                check(iexpr, c, N2)
+
+def test_assign_slice():
+    # ceval.c's assign_slice used to check for
+    # tp->tp_as_sequence->sq_slice instead of
+    # tp->tp_as_sequence->sq_ass_slice
+
+    class C(object):
+        def __setslice__(self, start, stop, value):
+            self.value = value
+
+    c = C()
+    c[1:2] = 3
+    vereq(c.value, 3)
+
+def test_main():
+    weakref_segfault() # Must be first, somehow
+    wrapper_segfault()
+    do_this_first()
+    class_docstrings()
+    lists()
+    dicts()
+    dict_constructor()
+    test_dir()
+    ints()
+    longs()
+    floats()
+    complexes()
+    spamlists()
+    spamdicts()
+    pydicts()
+    pylists()
+    metaclass()
+    pymods()
+    multi()
+    mro_disagreement()
+    diamond()
+    ex5()
+    monotonicity()
+    consistency_with_epg()
+    objects()
+    slots()
+    slotspecials()
+    dynamics()
+    errors()
+    classmethods()
+    classmethods_in_c()
+    staticmethods()
+    staticmethods_in_c()
+    classic()
+    compattr()
+    newslot()
+    altmro()
+    overloading()
+    methods()
+    specials()
+    weakrefs()
+    properties()
+    supers()
+    inherits()
+    keywords()
+    restricted()
+    str_subclass_as_dict_key()
+    classic_comparisons()
+    rich_comparisons()
+    coercions()
+    descrdoc()
+    setclass()
+    setdict()
+    pickles()
+    copies()
+    binopoverride()
+    subclasspropagation()
+    buffer_inherit()
+    str_of_str_subclass()
+    kwdargs()
+    recursive__call__()
+    delhook()
+    hashinherit()
+    strops()
+    deepcopyrecursive()
+    modules()
+    dictproxyiterkeys()
+    dictproxyitervalues()
+    dictproxyiteritems()
+    pickleslots()
+    funnynew()
+    imulbug()
+    docdescriptor()
+    copy_setstate()
+    slices()
+    subtype_resurrection()
+    slottrash()
+    slotmultipleinheritance()
+    testrmul()
+    testipow()
+    test_mutable_bases()
+    test_mutable_bases_with_failing_mro()
+    test_mutable_bases_catch_mro_conflict()
+    mutable_names()
+    subclass_right_op()
+    dict_type_with_metaclass()
+    meth_class_get()
+    isinst_isclass()
+    proxysuper()
+    carloverre()
+    filefault()
+    vicious_descriptor_nonsense()
+    test_init()
+    methodwrapper()
+    notimplemented()
+    test_assign_slice()
+
+    if verbose: print "All OK"
+
+if __name__ == "__main__":
+    test_main()