aosp12/external/antlr/runtime/Python/tests/t013parser.py

36 lines
983 B
Python

import antlr3
import testbase
import unittest
class t013parser(testbase.ANTLRTest):
def setUp(self):
self.compileGrammar()
def testValid(self):
cStream = antlr3.StringStream('foobar')
lexer = self.getLexer(cStream)
tStream = antlr3.CommonTokenStream(lexer)
parser = self.getParser(tStream)
parser.document()
assert len(parser.reportedErrors) == 0, parser.reportedErrors
assert parser.identifiers == ['foobar']
def testMalformedInput1(self):
cStream = antlr3.StringStream('')
lexer = self.getLexer(cStream)
tStream = antlr3.CommonTokenStream(lexer)
parser = self.getParser(tStream)
parser.document()
# FIXME: currently strings with formatted errors are collected
# can't check error locations yet
assert len(parser.reportedErrors) == 1, parser.reportedErrors
if __name__ == '__main__':
unittest.main()