def testRegExpScanning(self):
tests = [
r'/^foo$/',
r'/^[a-z]+/',
'/^\\\\n/',
r'/\[/',
r'/[i]/',
r'/[\]]/',
r'/a[\]]/',
r'/a[\]]b/',
r'/[\]/]/gi',
r'/\[[^\]]+\]/gi',
r'/^(?!\d)(?:\w)+|^"(?:[^"]|"")+"/',
r'/^@(?:(?!\d)(?:\w|\:)+|^"(?:[^"]|"")+")\[[^\]]+\]/',
r"/^'(?:[^']|'')*'/",
r'/^[0-9]+(?:\.[0-9]*(?:[eE][-+][0-9]+)?)?/',
r'/^(?:==|=|<>|<=|<|>=|>|!~~|!~|~~|~|!==|!=|!~=|!~|!|&|\||\.|\:|,|\(|\)|\[|\]|\{|\}|\?|\:|;|@|\^|\/\+|\/|\*|\+|-)/',
]
for string in tests:
scanner = self.makeStringScanner(string)
start = scanner.next()
self.assertTokenTypeEqual('DIV', start)
pattern = scanner.scan_regexp()
flags = scanner.scan_regexp_flags()
eof = scanner.next()
self.assertTokenTypeEqual('REGEXP', pattern)
self.assertTokenTypeEqual('EOF', eof)
def getSingleToken(self, string):
scanner = self.makeStringScanner(string)
token = scanner.next()
self.assertTokenTypeEqual('EOF', scanner.next())
return token