--- a/Lib/test/test_strlit.py
+++ b/Lib/test/test_strlit.py
@@ -123,6 +123,15 @@
         self.assertRaises(SyntaxError, eval, """ rrb'' """)
         self.assertRaises(SyntaxError, eval, """ rbb'' """)
 
+    def test_eval_str_u(self):
+        self.assertEqual(eval(""" u'x' """), 'x')
+        self.assertEqual(eval(""" U'\u00e4' """), 'ä')
+        self.assertEqual(eval(""" u'\N{LATIN SMALL LETTER A WITH DIAERESIS}' """), 'ä')
+        self.assertRaises(SyntaxError, eval, """ ur'' """)
+        self.assertRaises(SyntaxError, eval, """ ru'' """)
+        self.assertRaises(SyntaxError, eval, """ bu'' """)
+        self.assertRaises(SyntaxError, eval, """ ub'' """)
+
     def check_encoding(self, encoding, extra=""):
         modname = "xx_" + encoding.replace("-", "_")
         fn = os.path.join(self.tmpdir, modname + ".py")