add test cases for Greg Ewing's extended call syntax patch

Lib/test/test_extcall.py

@@ -0,0 +1,99 @@
+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))
+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