t035ruleLabelPropertyRef.py revision 324c4644fee44b9898524c09511bd33c3f12e2df 
1import antlr3
2import testbase
3import unittest
4
5
6class t035ruleLabelPropertyRef(testbase.ANTLRTest):
7    def setUp(self):
8        self.compileGrammar()
9
10
11    def lexerClass(self, base):
12        class TLexer(base):
13            def recover(self, input, re):
14                # no error recovery yet, just crash!
15                raise
16
17        return TLexer
18
19
20    def parserClass(self, base):
21        class TParser(base):
22            def recover(self, input, re):
23                # no error recovery yet, just crash!
24                raise
25
26        return TParser
27
28
29    def testValid1(self):
30        cStream = antlr3.StringStream('   a a a a  ')
31
32        lexer = self.getLexer(cStream)
33        tStream = antlr3.CommonTokenStream(lexer)
34        parser = self.getParser(tStream)
35        start, stop, text = parser.a()
36
37        # first token of rule b is the 2nd token (counting hidden tokens)
38        assert start.index == 1, start
39
40        # first token of rule b is the 7th token (counting hidden tokens)
41        assert stop.index == 7, stop
42
43        assert text == "a a a a", text
44
45
46if __name__ == '__main__':
47    unittest.main()
48