added test for quoted strings parsing

test/test_parser/test_tokenize.py

@@ -1,5 +1,6 @@
 from jedi._compatibility import u
 from jedi import parser
+from token import STRING
 
 from ..helpers import unittest
 
@@ -22,6 +23,24 @@ asdfasdf""" + "h"
         tok = parsed.module.subscopes[0].statements[0]._token_list[2]
         self.assertEqual(tok.end_pos, (4, 11))
 
+    def test_quoted_strings(self):
+
+        string_tokens = [
+            'u"test"',
+            'u"""test"""',
+            'U"""test"""',
+            "u'''test'''",
+            "U'''test'''",
+        ]
+
+        for s in string_tokens:
+            parsed = parser.Parser(u('''a = %s\n''' % s))
+            tok_list = parsed.module.statements[0]._token_list
+            self.assertEqual(len(tok_list), 3)
+            tok = tok_list[2]
+            self.assertIsInstance(tok, parser.tokenize.Token)
+            self.assertEqual(tok.type, STRING)
+
 
 def test_tokenizer_with_string_literal_backslash():
     import jedi