diff --git a/tests/test_series/test_range.py b/tests/test_series/test_range.py
index 1966cf84b255c3a158aa62f7128f6f508b6bb0cb..924d9b70f8d68876ced2f82032a9449230807502 100644
--- a/tests/test_series/test_range.py
+++ b/tests/test_series/test_range.py
@@ -14,6 +14,10 @@ class TestRange(unittest.TestCase):
         if bool(Range(b).intersection(a)) != val:
             self.fail('%s ^ %s != %s' % (Range(b), Range(a), val))
 
+    def test_isempty(self):
+        self.assertTrue(Range(-1,-1,False,False).is_empty())
+        self.assertFalse(Range(-1,-1,False,True).is_empty())
+
     def test_intersection(self):
         self.do_intersect(Range(-10, -1, True, True), '<2;3>', False)
         self.do_intersect(Range(-10, -1, True, False), '(-1;3>', False)