tzh
2024-08-22 c7d0944258c7d0943aa7b2211498fd612971ce27
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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()