aosp12/external/antlr/runtime/Python/unittests/testdfa.py

64 lines
1.5 KiB
Python

import unittest
import antlr3
class TestDFA(unittest.TestCase):
"""Test case for the DFA class."""
def setUp(self):
"""Setup test fixure.
We need a Recognizer in order to instanciate a DFA.
"""
class TRecognizer(antlr3.BaseRecognizer):
api_version = 'HEAD'
self.recog = TRecognizer()
def testInit(self):
"""DFA.__init__()
Just a smoke test.
"""
dfa = antlr3.DFA(
self.recog, 1,
eot=[],
eof=[],
min=[],
max=[],
accept=[],
special=[],
transition=[]
)
def testUnpack(self):
"""DFA.unpack()"""
self.failUnlessEqual(
antlr3.DFA.unpack(
u"\1\3\1\4\2\uffff\1\5\22\uffff\1\2\31\uffff\1\6\6\uffff"
u"\32\6\4\uffff\1\6\1\uffff\32\6"
),
[ 3, 4, -1, -1, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
6, -1, -1, -1, -1, -1, -1, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, -1, -1, -1, -1, 6, -1,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6
]
)
if __name__ == "__main__":
unittest.main(testRunner=unittest.TextTestRunner(verbosity=2))