micropython/tests/stress/fun_call_limit.py

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

37 lines
930 B
Python
Raw Normal View History

# Test the limit of the number of arguments to a function call.
# This currently tests the case of *args after many positional args.
def f(*args):
return len(args)
def test(n):
pos_args = ",".join(str(i) for i in range(n))
s = "f({}, *(100, 101), 102, 103)".format(pos_args)
try:
return eval(s)
except SyntaxError:
return "SyntaxError"
# If the port has at least 32-bits then this test should pass.
print(test(29))
# This test should fail on all ports (overflows a small int).
print(test(70))
# Check that there is a correct transition to the limit of too many args before *args.
reached_limit = False
for i in range(30, 70):
result = test(i)
if reached_limit:
if result != "SyntaxError":
print("FAIL")
else:
if result == "SyntaxError":
reached_limit = True
else:
if result != i + 4:
print("FAIL")