--- /dev/null
+# -*- coding: utf-8 -*-
+
+# Various small unit tests
+
+import os,sys
+sys.path.append(os.path.dirname(os.path.dirname(__file__)))
+
+import youtube_dl
+
+def test_simplify_title():
+ assert youtube_dl._simplify_title('abc') == 'abc'
+ assert youtube_dl._simplify_title('abc_d-e') == 'abc_d-e'
+
+ assert '/' not in youtube_dl._simplify_title('abc/de')
+ assert 'abc' in youtube_dl._simplify_title('abc/de')
+ assert 'de' in youtube_dl._simplify_title('abc/de')
+
+ assert '\\' not in youtube_dl._simplify_title('abc\\de')
+ assert 'abc' in youtube_dl._simplify_title('abc\\de')
+ assert 'de' in youtube_dl._simplify_title('abc\\de')
+