circuitpython/tests/extmod/re_limit.py

35 lines
542 B
Python

# Test overflow in re.compile output code.
try:
import re
except ImportError:
print("SKIP")
raise SystemExit
def test_re(r):
try:
re.compile(r)
except:
print("Error")
# too many chars in []
test_re("[" + "a" * 256 + "]")
# too many groups
test_re("(a)" * 256)
# jump too big for ?
test_re("(" + "a" * 62 + ")?")
# jump too big for *
test_re("(" + "a" * 60 + ".)*")
test_re("(" + "a" * 60 + "..)*")
# jump too big for +
test_re("(" + "a" * 62 + ")+")
# jump too big for |
test_re("b" * 63 + "|a")