[NBC] Enhance embedURL extraction (closes #2549)

1 files changed, 5 insertions, 0 deletions

diff --git a/test/test_utils.py b/test/test_utils.py
index 6906a65c2..032d3656a 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -53,6 +53,7 @@ from youtube_dl.utils import (
     unified_strdate,
     unsmuggle_url,
     uppercase_escape,
+    lowercase_escape,
     url_basename,
     urlencode_postdata,
     version_tuple,
@@ -418,6 +419,10 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(uppercase_escape('aä'), 'aä')
         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 
+    def test_lowercase_escape(self):
+        self.assertEqual(lowercase_escape('aä'), 'aä')
+        self.assertEqual(lowercase_escape('\\u0026'), '&')
+
     def test_limit_length(self):
         self.assertEqual(limit_length(None, 12), None)
         self.assertEqual(limit_length('foo', 12), 'foo')