def test_out_of_order_alternation_with_anchor_after(self):
r = Regex.get_parse_tree(r"(a|ab)\b")
print("\n".join(fmttree(r)))
errs = []
check_prefix_ordering(r, errs)
print(errs)
self.assertEqual(len(errs), 0)
def test_out_of_order_crazy_complicated(self):
r = Regex.get_parse_tree(r"""(!=|#|&&|&|\(|\)|\*|\+|,|-|-\.)""")
# |->|\.|\.\.|::|:=|:>|:|;;|;|<|<-|=|>|>]|>}|\?|\?\?|\[|\[<|\[>|\[\||]|_|`|{|{<|\||\|]|}|~)''')
print("\n".join(fmttree(r)))
errs = []
check_prefix_ordering(r, errs)
self.assertEqual(len(errs), 1)
def test_out_of_order_alternation_location(self):
r = Regex.get_parse_tree(r"(foo|bar|@|@@)")
print("\n".join(fmttree(r)))
errs = []
check_prefix_ordering(r, errs)
self.assertEqual(len(errs), 1)
# location of the second one.
self.assertEqual(errs[0][2], 11)
def test_out_of_order_alternation_longer(self):
r = Regex.get_parse_tree(r"(a|ab|c)")
print("\n".join(fmttree(r)))
errs = []
check_prefix_ordering(r, errs)
self.assertEqual(len(errs), 1)