def testPreprocess ( self ):
parser = Parser()
syntaxes = ("ab", "abc", \
"a(b)c", "a(bc)", \
"a*b", "a*(b)c", "a(b)*c", "abc*", \
"a|b", "a(b|c)", "(a|b)c", "(ab|cd)*e", )
results = ("a\0b", "a\0b\0c", \
"a\0(b)\0c", "a\0(b\0c)", \
"a*\0b", "a*\0(b)\0c", "a\0(b)*\0c", "a\0b\0c*", \
"a|b", "a\0(b|c)", "(a|b)\0c", "(a\0b|c\0d)*\0e", )
betterSyntaxes = \
tuple(map(lambda s: ''.join(Parser.tokenGenerator(parser, s)), syntaxes))
self.assertEqual(\
betterSyntaxes, results, \
"Pre-processed syntaxes: " + str(betterSyntaxes))
