mirror of
https://github.com/python/cpython.git
synced 2024-12-05 07:43:50 +08:00
2d702465b3
Fix forthcoming.
3331 lines
91 KiB
Python
3331 lines
91 KiB
Python
# Test enhancements related to descriptors and new-style classes
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from test.test_support import verify, vereq, verbose, TestFailed, TESTFN
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from copy import deepcopy
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import warnings
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warnings.filterwarnings("ignore",
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r'complex divmod\(\), // and % are deprecated$',
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DeprecationWarning, r'(<string>|%s)$' % __name__)
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def veris(a, b):
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if a is not b:
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raise TestFailed, "%r is %r" % (a, b)
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def testunop(a, res, expr="len(a)", meth="__len__"):
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if verbose: print "checking", expr
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dict = {'a': a}
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vereq(eval(expr, dict), res)
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t = type(a)
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m = getattr(t, meth)
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while meth not in t.__dict__:
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t = t.__bases__[0]
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vereq(m, t.__dict__[meth])
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vereq(m(a), res)
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bm = getattr(a, meth)
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vereq(bm(), res)
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def testbinop(a, b, res, expr="a+b", meth="__add__"):
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if verbose: print "checking", expr
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dict = {'a': a, 'b': b}
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# XXX Hack so this passes before 2.3 when -Qnew is specified.
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if meth == "__div__" and 1/2 == 0.5:
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meth = "__truediv__"
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vereq(eval(expr, dict), res)
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t = type(a)
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m = getattr(t, meth)
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while meth not in t.__dict__:
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t = t.__bases__[0]
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vereq(m, t.__dict__[meth])
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vereq(m(a, b), res)
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bm = getattr(a, meth)
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vereq(bm(b), res)
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def testternop(a, b, c, res, expr="a[b:c]", meth="__getslice__"):
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if verbose: print "checking", expr
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dict = {'a': a, 'b': b, 'c': c}
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vereq(eval(expr, dict), res)
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t = type(a)
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m = getattr(t, meth)
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while meth not in t.__dict__:
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t = t.__bases__[0]
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vereq(m, t.__dict__[meth])
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vereq(m(a, b, c), res)
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bm = getattr(a, meth)
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vereq(bm(b, c), res)
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def testsetop(a, b, res, stmt="a+=b", meth="__iadd__"):
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if verbose: print "checking", stmt
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dict = {'a': deepcopy(a), 'b': b}
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exec stmt in dict
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vereq(dict['a'], res)
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t = type(a)
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m = getattr(t, meth)
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while meth not in t.__dict__:
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t = t.__bases__[0]
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vereq(m, t.__dict__[meth])
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dict['a'] = deepcopy(a)
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m(dict['a'], b)
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vereq(dict['a'], res)
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dict['a'] = deepcopy(a)
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bm = getattr(dict['a'], meth)
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bm(b)
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vereq(dict['a'], res)
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def testset2op(a, b, c, res, stmt="a[b]=c", meth="__setitem__"):
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if verbose: print "checking", stmt
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dict = {'a': deepcopy(a), 'b': b, 'c': c}
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exec stmt in dict
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vereq(dict['a'], res)
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t = type(a)
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m = getattr(t, meth)
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while meth not in t.__dict__:
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t = t.__bases__[0]
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vereq(m, t.__dict__[meth])
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dict['a'] = deepcopy(a)
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m(dict['a'], b, c)
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vereq(dict['a'], res)
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dict['a'] = deepcopy(a)
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bm = getattr(dict['a'], meth)
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bm(b, c)
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vereq(dict['a'], res)
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def testset3op(a, b, c, d, res, stmt="a[b:c]=d", meth="__setslice__"):
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if verbose: print "checking", stmt
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dict = {'a': deepcopy(a), 'b': b, 'c': c, 'd': d}
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exec stmt in dict
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vereq(dict['a'], res)
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t = type(a)
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while meth not in t.__dict__:
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t = t.__bases__[0]
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m = getattr(t, meth)
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vereq(m, t.__dict__[meth])
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dict['a'] = deepcopy(a)
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m(dict['a'], b, c, d)
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vereq(dict['a'], res)
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dict['a'] = deepcopy(a)
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bm = getattr(dict['a'], meth)
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bm(b, c, d)
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vereq(dict['a'], res)
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def class_docstrings():
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class Classic:
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"A classic docstring."
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vereq(Classic.__doc__, "A classic docstring.")
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vereq(Classic.__dict__['__doc__'], "A classic docstring.")
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class Classic2:
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pass
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verify(Classic2.__doc__ is None)
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class NewStatic(object):
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"Another docstring."
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vereq(NewStatic.__doc__, "Another docstring.")
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vereq(NewStatic.__dict__['__doc__'], "Another docstring.")
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class NewStatic2(object):
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pass
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verify(NewStatic2.__doc__ is None)
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class NewDynamic(object):
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"Another docstring."
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vereq(NewDynamic.__doc__, "Another docstring.")
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vereq(NewDynamic.__dict__['__doc__'], "Another docstring.")
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class NewDynamic2(object):
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pass
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verify(NewDynamic2.__doc__ is None)
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def lists():
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if verbose: print "Testing list operations..."
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testbinop([1], [2], [1,2], "a+b", "__add__")
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testbinop([1,2,3], 2, 1, "b in a", "__contains__")
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testbinop([1,2,3], 4, 0, "b in a", "__contains__")
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testbinop([1,2,3], 1, 2, "a[b]", "__getitem__")
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testternop([1,2,3], 0, 2, [1,2], "a[b:c]", "__getslice__")
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testsetop([1], [2], [1,2], "a+=b", "__iadd__")
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testsetop([1,2], 3, [1,2,1,2,1,2], "a*=b", "__imul__")
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testunop([1,2,3], 3, "len(a)", "__len__")
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testbinop([1,2], 3, [1,2,1,2,1,2], "a*b", "__mul__")
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testbinop([1,2], 3, [1,2,1,2,1,2], "b*a", "__rmul__")
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testset2op([1,2], 1, 3, [1,3], "a[b]=c", "__setitem__")
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testset3op([1,2,3,4], 1, 3, [5,6], [1,5,6,4], "a[b:c]=d", "__setslice__")
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def dicts():
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if verbose: print "Testing dict operations..."
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testbinop({1:2}, {2:1}, -1, "cmp(a,b)", "__cmp__")
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testbinop({1:2,3:4}, 1, 1, "b in a", "__contains__")
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testbinop({1:2,3:4}, 2, 0, "b in a", "__contains__")
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testbinop({1:2,3:4}, 1, 2, "a[b]", "__getitem__")
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d = {1:2,3:4}
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l1 = []
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for i in d.keys(): l1.append(i)
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l = []
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for i in iter(d): l.append(i)
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vereq(l, l1)
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l = []
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for i in d.__iter__(): l.append(i)
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vereq(l, l1)
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l = []
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for i in dict.__iter__(d): l.append(i)
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vereq(l, l1)
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d = {1:2, 3:4}
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testunop(d, 2, "len(a)", "__len__")
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vereq(eval(repr(d), {}), d)
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vereq(eval(d.__repr__(), {}), d)
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testset2op({1:2,3:4}, 2, 3, {1:2,2:3,3:4}, "a[b]=c", "__setitem__")
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def dict_constructor():
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if verbose:
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print "Testing dict constructor ..."
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d = dict()
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vereq(d, {})
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d = dict({})
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vereq(d, {})
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d = dict(items={})
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vereq(d, {})
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d = dict({1: 2, 'a': 'b'})
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vereq(d, {1: 2, 'a': 'b'})
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vereq(d, dict(d.items()))
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vereq(d, dict(items=d.iteritems()))
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for badarg in 0, 0L, 0j, "0", [0], (0,):
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try:
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dict(badarg)
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except TypeError:
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pass
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except ValueError:
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if badarg == "0":
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# It's a sequence, and its elements are also sequences (gotta
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# love strings <wink>), but they aren't of length 2, so this
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# one seemed better as a ValueError than a TypeError.
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pass
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else:
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raise TestFailed("no TypeError from dict(%r)" % badarg)
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else:
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raise TestFailed("no TypeError from dict(%r)" % badarg)
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try:
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dict(senseless={})
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except TypeError:
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pass
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else:
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raise TestFailed("no TypeError from dict(senseless={})")
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try:
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dict({}, {})
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except TypeError:
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pass
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else:
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raise TestFailed("no TypeError from dict({}, {})")
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class Mapping:
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# Lacks a .keys() method; will be added later.
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dict = {1:2, 3:4, 'a':1j}
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try:
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dict(Mapping())
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except TypeError:
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pass
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else:
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raise TestFailed("no TypeError from dict(incomplete mapping)")
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Mapping.keys = lambda self: self.dict.keys()
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Mapping.__getitem__ = lambda self, i: self.dict[i]
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d = dict(items=Mapping())
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vereq(d, Mapping.dict)
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# Init from sequence of iterable objects, each producing a 2-sequence.
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class AddressBookEntry:
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def __init__(self, first, last):
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self.first = first
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self.last = last
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def __iter__(self):
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return iter([self.first, self.last])
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d = dict([AddressBookEntry('Tim', 'Warsaw'),
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AddressBookEntry('Barry', 'Peters'),
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AddressBookEntry('Tim', 'Peters'),
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AddressBookEntry('Barry', 'Warsaw')])
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vereq(d, {'Barry': 'Warsaw', 'Tim': 'Peters'})
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d = dict(zip(range(4), range(1, 5)))
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vereq(d, dict([(i, i+1) for i in range(4)]))
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# Bad sequence lengths.
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for bad in [('tooshort',)], [('too', 'long', 'by 1')]:
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try:
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dict(bad)
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except ValueError:
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pass
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else:
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raise TestFailed("no ValueError from dict(%r)" % bad)
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def test_dir():
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if verbose:
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print "Testing dir() ..."
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junk = 12
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vereq(dir(), ['junk'])
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del junk
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# Just make sure these don't blow up!
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for arg in 2, 2L, 2j, 2e0, [2], "2", u"2", (2,), {2:2}, type, test_dir:
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dir(arg)
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# Try classic classes.
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class C:
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Cdata = 1
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def Cmethod(self): pass
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cstuff = ['Cdata', 'Cmethod', '__doc__', '__module__']
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vereq(dir(C), cstuff)
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verify('im_self' in dir(C.Cmethod))
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c = C() # c.__doc__ is an odd thing to see here; ditto c.__module__.
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vereq(dir(c), cstuff)
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c.cdata = 2
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c.cmethod = lambda self: 0
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vereq(dir(c), cstuff + ['cdata', 'cmethod'])
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verify('im_self' in dir(c.Cmethod))
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class A(C):
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Adata = 1
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def Amethod(self): pass
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astuff = ['Adata', 'Amethod'] + cstuff
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vereq(dir(A), astuff)
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verify('im_self' in dir(A.Amethod))
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a = A()
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vereq(dir(a), astuff)
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verify('im_self' in dir(a.Amethod))
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a.adata = 42
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a.amethod = lambda self: 3
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vereq(dir(a), astuff + ['adata', 'amethod'])
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# The same, but with new-style classes. Since these have object as a
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# base class, a lot more gets sucked in.
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def interesting(strings):
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return [s for s in strings if not s.startswith('_')]
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class C(object):
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Cdata = 1
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def Cmethod(self): pass
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cstuff = ['Cdata', 'Cmethod']
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vereq(interesting(dir(C)), cstuff)
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c = C()
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vereq(interesting(dir(c)), cstuff)
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verify('im_self' in dir(C.Cmethod))
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c.cdata = 2
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c.cmethod = lambda self: 0
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vereq(interesting(dir(c)), cstuff + ['cdata', 'cmethod'])
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verify('im_self' in dir(c.Cmethod))
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class A(C):
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Adata = 1
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def Amethod(self): pass
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astuff = ['Adata', 'Amethod'] + cstuff
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vereq(interesting(dir(A)), astuff)
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verify('im_self' in dir(A.Amethod))
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a = A()
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vereq(interesting(dir(a)), astuff)
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a.adata = 42
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a.amethod = lambda self: 3
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vereq(interesting(dir(a)), astuff + ['adata', 'amethod'])
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verify('im_self' in dir(a.Amethod))
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# Try a module subclass.
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import sys
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class M(type(sys)):
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pass
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minstance = M("m")
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minstance.b = 2
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minstance.a = 1
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names = [x for x in dir(minstance) if x not in ["__name__", "__doc__"]]
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vereq(names, ['a', 'b'])
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class M2(M):
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def getdict(self):
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return "Not a dict!"
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__dict__ = property(getdict)
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m2instance = M2("m2")
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m2instance.b = 2
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m2instance.a = 1
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vereq(m2instance.__dict__, "Not a dict!")
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try:
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dir(m2instance)
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except TypeError:
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pass
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# Two essentially featureless objects, just inheriting stuff from
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# object.
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vereq(dir(None), dir(Ellipsis))
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# Nasty test case for proxied objects
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class Wrapper(object):
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def __init__(self, obj):
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self.__obj = obj
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def __repr__(self):
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return "Wrapper(%s)" % repr(self.__obj)
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def __getitem__(self, key):
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return Wrapper(self.__obj[key])
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def __len__(self):
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return len(self.__obj)
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def __getattr__(self, name):
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return Wrapper(getattr(self.__obj, name))
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class C(object):
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def __getclass(self):
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return Wrapper(type(self))
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__class__ = property(__getclass)
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dir(C()) # This used to segfault
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binops = {
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'add': '+',
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'sub': '-',
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'mul': '*',
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'div': '/',
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'mod': '%',
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'divmod': 'divmod',
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'pow': '**',
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'lshift': '<<',
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'rshift': '>>',
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'and': '&',
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'xor': '^',
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'or': '|',
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'cmp': 'cmp',
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'lt': '<',
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'le': '<=',
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'eq': '==',
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'ne': '!=',
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'gt': '>',
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'ge': '>=',
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}
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for name, expr in binops.items():
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if expr.islower():
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expr = expr + "(a, b)"
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else:
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expr = 'a %s b' % expr
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binops[name] = expr
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unops = {
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'pos': '+',
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'neg': '-',
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'abs': 'abs',
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'invert': '~',
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'int': 'int',
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'long': 'long',
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'float': 'float',
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'oct': 'oct',
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'hex': 'hex',
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}
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for name, expr in unops.items():
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if expr.islower():
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expr = expr + "(a)"
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else:
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expr = '%s a' % expr
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unops[name] = expr
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def numops(a, b, skip=[]):
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dict = {'a': a, 'b': b}
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for name, expr in binops.items():
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if name not in skip:
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name = "__%s__" % name
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if hasattr(a, name):
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res = eval(expr, dict)
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testbinop(a, b, res, expr, name)
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for name, expr in unops.items():
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if name not in skip:
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name = "__%s__" % name
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if hasattr(a, name):
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res = eval(expr, dict)
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testunop(a, res, expr, name)
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def ints():
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if verbose: print "Testing int operations..."
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numops(100, 3)
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# The following crashes in Python 2.2
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vereq((1).__nonzero__(), 1)
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vereq((0).__nonzero__(), 0)
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# This returns 'NotImplemented' in Python 2.2
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class C(int):
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def __add__(self, other):
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return NotImplemented
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try:
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C() + ""
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except TypeError:
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pass
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else:
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raise TestFailed, "NotImplemented should have caused TypeError"
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def longs():
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if verbose: print "Testing long operations..."
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numops(100L, 3L)
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def floats():
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if verbose: print "Testing float operations..."
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numops(100.0, 3.0)
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def complexes():
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if verbose: print "Testing complex operations..."
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numops(100.0j, 3.0j, skip=['lt', 'le', 'gt', 'ge', 'int', 'long', 'float'])
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class Number(complex):
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__slots__ = ['prec']
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def __new__(cls, *args, **kwds):
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result = complex.__new__(cls, *args)
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result.prec = kwds.get('prec', 12)
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return result
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def __repr__(self):
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prec = self.prec
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if self.imag == 0.0:
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return "%.*g" % (prec, self.real)
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if self.real == 0.0:
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return "%.*gj" % (prec, self.imag)
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return "(%.*g+%.*gj)" % (prec, self.real, prec, self.imag)
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|
__str__ = __repr__
|
|
|
|
a = Number(3.14, prec=6)
|
|
vereq(`a`, "3.14")
|
|
vereq(a.prec, 6)
|
|
|
|
a = Number(a, prec=2)
|
|
vereq(`a`, "3.1")
|
|
vereq(a.prec, 2)
|
|
|
|
a = Number(234.5)
|
|
vereq(`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):
|
|
def __new__(cls, name, bases, dict):
|
|
self = object.__new__(cls)
|
|
self.name = name
|
|
self.bases = bases
|
|
self.dict = dict
|
|
return self
|
|
__new__ = staticmethod(__new__)
|
|
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")])
|
|
|
|
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(object, D):
|
|
def m2method(self):
|
|
return "M2 a"
|
|
def all_method(self):
|
|
return "M2 b"
|
|
|
|
vereq(M2.__mro__, (M2, object, D, C))
|
|
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, object, M2):
|
|
def m3method(self):
|
|
return "M3 a"
|
|
def all_method(self):
|
|
return "M3 b"
|
|
# XXX Expected this (the commented-out result):
|
|
# vereq(M3.__mro__, (M3, M1, M2, object, D, C))
|
|
vereq(M3.__mro__, (M3, M1, M2, D, C, object)) # XXX ?
|
|
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))
|
|
class F(D, E): pass
|
|
vereq(F().spam(), "B")
|
|
vereq(F().boo(), "B")
|
|
vereq(F.__mro__, (F, D, E, B, C, A, object))
|
|
class G(E, D): pass
|
|
vereq(G().spam(), "B")
|
|
vereq(G().boo(), "C")
|
|
vereq(G.__mro__, (G, E, D, C, B, A, object))
|
|
|
|
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 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)
|
|
|
|
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,))
|
|
|
|
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, None)
|
|
vereq((spam.spamlist,) + a, a1)
|
|
vereq(d, d1)
|
|
x, a1, d1 = spam.spamlist().classmeth(*a, **d)
|
|
veris(x, None)
|
|
vereq((spam.spamlist,) + 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(A,B,C,D):
|
|
__metaclass__ = PerverseMetaType
|
|
vereq(X.__mro__, (object, A, C, B, D, X))
|
|
vereq(X().f(), "A")
|
|
|
|
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)
|
|
vereq(hash(c1), id(c1))
|
|
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)
|
|
vereq(hash(d1), id(d1))
|
|
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)
|
|
|
|
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)
|
|
|
|
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
|
|
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())"
|
|
|
|
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)
|
|
|
|
s = madstring("x y")
|
|
vereq(s, "x y")
|
|
verify(intern(s).__class__ is str)
|
|
verify(intern(s) is intern("x y"))
|
|
vereq(intern(s), "x y")
|
|
|
|
i = intern("y x")
|
|
s = madstring("y x")
|
|
vereq(s, i)
|
|
verify(intern(s).__class__ is str)
|
|
verify(intern(s) is i)
|
|
|
|
s = madstring(i)
|
|
verify(intern(s).__class__ is str)
|
|
verify(intern(s) is i)
|
|
|
|
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))
|
|
vereq(dict(items={1: 2}), {1: 2})
|
|
|
|
for constructor in (int, float, long, complex, str, unicode,
|
|
tuple, list, dict, file):
|
|
try:
|
|
constructor(bogus_keyword_arg=1)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
raise TestFailed("expected TypeError from bogus keyword "
|
|
"argument to %r" % constructor)
|
|
|
|
def restricted():
|
|
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)
|
|
|
|
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 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
|
|
# Classes don't allow __dict__ assignment
|
|
cant(C, {})
|
|
|
|
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 __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 __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(`x`, `a`)
|
|
vereq(`y`, `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(`x`, `a`)
|
|
vereq(`y`, `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 __getstate__ and __setstate__
|
|
class C(base):
|
|
__slots__ = ['a']
|
|
def __getstate__(self):
|
|
try:
|
|
d = self.__dict__.copy()
|
|
except AttributeError:
|
|
d = {}
|
|
try:
|
|
d['a'] = self.a
|
|
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)
|
|
# But a subclass that adds a slot should not work
|
|
class E(C):
|
|
__slots__ = ['b']
|
|
try:
|
|
pickle.dumps(E())
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
raise TestFailed, "should fail: pickle E instance - %s" % base
|
|
try:
|
|
cPickle.dumps(E())
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
raise TestFailed, "should fail: cPickle E instance - %s" % base
|
|
|
|
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(`I(1) + I(2)`, "I(3)")
|
|
vereq(`I(1) + 2`, "I(3)")
|
|
vereq(`1 + I(2)`, "I(3)")
|
|
vereq(`I(2) ** I(3)`, "I(8)")
|
|
vereq(`2 ** I(3)`, "I(8)")
|
|
vereq(`I(2) ** 3`, "I(8)")
|
|
vereq(`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()
|
|
vereq(hash(d), id(d))
|
|
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), id(d))
|
|
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 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: ''.replace('', '')
|
|
except ValueError: pass
|
|
else: raise TestFailed, "''.replace('', '') 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 string_exceptions():
|
|
if verbose:
|
|
print "Testing string exceptions ..."
|
|
|
|
# Ensure builtin strings work OK as exceptions.
|
|
astring = "An exception string."
|
|
try:
|
|
raise astring
|
|
except astring:
|
|
pass
|
|
else:
|
|
raise TestFailed, "builtin string not usable as exception"
|
|
|
|
# Ensure string subclass instances do not.
|
|
class MyStr(str):
|
|
pass
|
|
|
|
newstring = MyStr("oops -- shouldn't work")
|
|
try:
|
|
raise newstring
|
|
except TypeError:
|
|
pass
|
|
except:
|
|
raise TestFailed, "string subclass allowed as exception"
|
|
|
|
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 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_main():
|
|
do_this_first()
|
|
class_docstrings()
|
|
lists()
|
|
dicts()
|
|
dict_constructor()
|
|
test_dir()
|
|
ints()
|
|
longs()
|
|
floats()
|
|
complexes()
|
|
spamlists()
|
|
spamdicts()
|
|
pydicts()
|
|
pylists()
|
|
metaclass()
|
|
pymods()
|
|
multi()
|
|
diamond()
|
|
objects()
|
|
slots()
|
|
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()
|
|
delhook()
|
|
hashinherit()
|
|
strops()
|
|
deepcopyrecursive()
|
|
modules()
|
|
dictproxyiterkeys()
|
|
dictproxyitervalues()
|
|
dictproxyiteritems()
|
|
pickleslots()
|
|
funnynew()
|
|
imulbug()
|
|
docdescriptor()
|
|
string_exceptions()
|
|
copy_setstate()
|
|
slices()
|
|
subtype_resurrection()
|
|
slottrash()
|
|
if verbose: print "All OK"
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|