blob: 3a329559664cf832b24943afc64176c62eec30eb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
import antlr3
import testbase
import unittest
class t003lexer(testbase.ANTLRTest):
def setUp(self):
self.compileGrammar()
def lexerClass(self, base):
class TLexer(base):
def emitErrorMessage(self, msg):
# report errors to /dev/null
pass
def reportError(self, re):
# no error recovery yet, just crash!
raise re
return TLexer
def testValid(self):
stream = antlr3.StringStream('0fooze1')
lexer = self.getLexer(stream)
token = lexer.nextToken()
self.failUnlessEqual(token.type, self.lexerModule.ZERO)
token = lexer.nextToken()
self.failUnlessEqual(token.type, self.lexerModule.FOOZE)
token = lexer.nextToken()
self.failUnlessEqual(token.type, self.lexerModule.ONE)
token = lexer.nextToken()
self.failUnlessEqual(token.type, self.lexerModule.EOF)
def testMalformedInput(self):
stream = antlr3.StringStream('2')
lexer = self.getLexer(stream)
try:
token = lexer.nextToken()
self.fail()
except antlr3.NoViableAltException, exc:
self.failUnlessEqual(exc.unexpectedType, '2')
if __name__ == '__main__':
unittest.main()
|