diff options
Diffstat (limited to 'Lib/dos-8x3/test_ext.py')
-rw-r--r-- | Lib/dos-8x3/test_ext.py | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/Lib/dos-8x3/test_ext.py b/Lib/dos-8x3/test_ext.py new file mode 100644 index 0000000..6cca199 --- /dev/null +++ b/Lib/dos-8x3/test_ext.py @@ -0,0 +1,143 @@ +from UserList import UserList + +def f(*a, **k): + print a, k + +def g(x, *y, **z): + print x, y, 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}) + +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 AttributeError, attr: + pass +else: + print "should raise AttributeError: __len__" + +class Nothing: + def __len__(self): + return 5 +try: + g(*Nothing()) +except AttributeError, attr: + pass +else: + print "should raise AttributeError: __getitem__" + +class Nothing: + def __len__(self): + return 5 + def __getitem__(self, i): + if i < 3: + return i + else: + raise IndexError, i +g(*Nothing()) + +# make sure the function call doesn't stomp on the dictionary? +d = {'a': 1, 'b': 2, 'c': 3} +d2 = d.copy() +assert d == d2 +g(1, d=4, **d) +print d +print d2 +assert d == d2, "function call modified dictionary" + +# what about willful misconduct? +def saboteur(**kw): + kw['x'] = locals() +d = {} +saboteur(a=1, **d) +assert d == {} + +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: + h(**h) +except TypeError, err: + print err +else: + print "should raise TypeError: ** argument must be a dictionary" + +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 |