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- from test.test_support import verify, verbose, TestFailed, sortdict
- from UserList import UserList
-
- def e(a, b):
- print a, b
-
- def f(*a, **k):
- print a, sortdict(k)
-
- def g(x, *y, **z):
- print x, y, sortdict(z)
-
- def h(j=1, a=2, h=3):
- print j, a, h
-
- f()
- f(1)
- f(1, 2)
- f(1, 2, 3)
-
- f(1, 2, 3, *(4, 5))
- f(1, 2, 3, *[4, 5])
- f(1, 2, 3, *UserList([4, 5]))
- f(1, 2, 3, **{'a':4, 'b':5})
- f(1, 2, 3, *(4, 5), **{'a':6, 'b':7})
- f(1, 2, 3, x=4, y=5, *(6, 7), **{'a':8, 'b':9})
-
- # Verify clearing of SF bug #733667
- try:
- e(c=3)
- except TypeError:
- pass
- else:
- print "should raise TypeError: e() got an unexpected keyword argument 'c'"
-
- try:
- g()
- except TypeError, err:
- print "TypeError:", err
- else:
- print "should raise TypeError: not enough arguments; expected 1, got 0"
-
- try:
- g(*())
- except TypeError, err:
- print "TypeError:", err
- else:
- print "should raise TypeError: not enough arguments; expected 1, got 0"
-
- try:
- g(*(), **{})
- except TypeError, err:
- print "TypeError:", err
- else:
- print "should raise TypeError: not enough arguments; expected 1, got 0"
-
- g(1)
- g(1, 2)
- g(1, 2, 3)
- g(1, 2, 3, *(4, 5))
- class Nothing: pass
- try:
- g(*Nothing())
- except TypeError, attr:
- pass
- else:
- print "should raise TypeError"
-
- class Nothing:
- def __len__(self):
- return 5
- try:
- g(*Nothing())
- except TypeError, attr:
- pass
- else:
- print "should raise TypeError"
-
- class Nothing:
- def __len__(self):
- return 5
- def __getitem__(self, i):
- if i < 3:
- return i
- else:
- raise IndexError, i
- g(*Nothing())
-
- class Nothing:
- def __init__(self):
- self.c = 0
- def __iter__(self):
- return self
- try:
- g(*Nothing())
- except TypeError, attr:
- pass
- else:
- print "should raise TypeError"
-
- class Nothing:
- def __init__(self):
- self.c = 0
- def __iter__(self):
- return self
- def next(self):
- if self.c == 4:
- raise StopIteration
- c = self.c
- self.c += 1
- return c
- g(*Nothing())
-
- # make sure the function call doesn't stomp on the dictionary?
- d = {'a': 1, 'b': 2, 'c': 3}
- d2 = d.copy()
- verify(d == d2)
- g(1, d=4, **d)
- print sortdict(d)
- print sortdict(d2)
- verify(d == d2, "function call modified dictionary")
-
- # what about willful misconduct?
- def saboteur(**kw):
- kw['x'] = locals() # yields a cyclic kw
- return kw
- d = {}
- kw = saboteur(a=1, **d)
- verify(d == {})
- # break the cycle
- del kw['x']
-
- try:
- g(1, 2, 3, **{'x':4, 'y':5})
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: keyword parameter redefined"
-
- try:
- g(1, 2, 3, a=4, b=5, *(6, 7), **{'a':8, 'b':9})
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: keyword parameter redefined"
-
- try:
- f(**{1:2})
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: keywords must be strings"
-
- try:
- h(**{'e': 2})
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: unexpected keyword argument: e"
-
- try:
- h(*h)
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: * argument must be a tuple"
-
- try:
- dir(*h)
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: * argument must be a tuple"
-
- try:
- None(*h)
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: * argument must be a tuple"
-
- try:
- h(**h)
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: ** argument must be a dictionary"
-
- try:
- dir(**h)
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: ** argument must be a dictionary"
-
- try:
- None(**h)
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: ** argument must be a dictionary"
-
- try:
- dir(b=1,**{'b':1})
- except TypeError, err:
- print err
- else:
- print "should raise TypeError: dir() got multiple values for keyword argument 'b'"
-
- def f2(*a, **b):
- return a, b
-
- d = {}
- for i in range(512):
- key = 'k%d' % i
- d[key] = i
- a, b = f2(1, *(2, 3), **d)
- print len(a), len(b), b == d
-
- class Foo:
- def method(self, arg1, arg2):
- return arg1 + arg2
-
- x = Foo()
- print Foo.method(*(x, 1, 2))
- print Foo.method(x, *(1, 2))
- try:
- print Foo.method(*(1, 2, 3))
- except TypeError, err:
- pass
- else:
- print 'expected a TypeError for unbound method call'
- try:
- print Foo.method(1, *(2, 3))
- except TypeError, err:
- pass
- else:
- print 'expected a TypeError for unbound method call'
-
- # A PyCFunction that takes only positional parameters should allow an
- # empty keyword dictionary to pass without a complaint, but raise a
- # TypeError if the dictionary is non-empty.
- id(1, **{})
- try:
- id(1, **{"foo": 1})
- except TypeError:
- pass
- else:
- raise TestFailed, 'expected TypeError; no exception raised'
-
- a, b, d, e, v, k = 'A', 'B', 'D', 'E', 'V', 'K'
- funcs = []
- maxargs = {}
- for args in ['', 'a', 'ab']:
- for defargs in ['', 'd', 'de']:
- for vararg in ['', 'v']:
- for kwarg in ['', 'k']:
- name = 'z' + args + defargs + vararg + kwarg
- arglist = list(args) + map(
- lambda x: '%s="%s"' % (x, x), defargs)
- if vararg: arglist.append('*' + vararg)
- if kwarg: arglist.append('**' + kwarg)
- decl = (('def %s(%s): print "ok %s", a, b, d, e, v, ' +
- 'type(k) is type ("") and k or sortdict(k)')
- % (name, ', '.join(arglist), name))
- exec(decl)
- func = eval(name)
- funcs.append(func)
- maxargs[func] = len(args + defargs)
-
- for name in ['za', 'zade', 'zabk', 'zabdv', 'zabdevk']:
- func = eval(name)
- for args in [(), (1, 2), (1, 2, 3, 4, 5)]:
- for kwargs in ['', 'a', 'd', 'ad', 'abde']:
- kwdict = {}
- for k in kwargs: kwdict[k] = k + k
- print func.func_name, args, sortdict(kwdict), '->',
- try: func(*args, **kwdict)
- except TypeError, err: print err
-