diff -r e12c3049af8e -r 44bc181b9835 tests/test-match.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-match.py	Wed Jul 19 14:50:50 2017 -0700
@@ -0,0 +1,19 @@
+from __future__ import absolute_import
+
+import unittest
+
+import silenttestrunner
+
+from mercurial import (
+    match as matchmod,
+)
+
+class NeverMatcherTests(unittest.TestCase):
+
+    def testVisitdir(self):
+        m = matchmod.nevermatcher('', '')
+        self.assertFalse(m.visitdir('.'))
+        self.assertFalse(m.visitdir('dir'))
+
+if __name__ == '__main__':
+    silenttestrunner.main(__name__)