diff --git a/tests/test_base.py b/tests/test_base.py
index 3c99a5a..c79398d 100644
--- a/tests/test_base.py
+++ b/tests/test_base.py
@@ -376,7 +376,7 @@ class BaseRequests:
               <C:comp-filter name="VTODO">
                 <C:time-range start="20130801T000000Z" end="20131001T000000Z"/>
               </C:comp-filter>
-            </C:comp-filter>"""],"todo", events=7)
+            </C:comp-filter>"""],"todo", events=8)
         assert "href>/calendar.ics/todo1.ics</" in answer
         assert "href>/calendar.ics/todo2.ics</" in answer
         assert "href>/calendar.ics/todo3.ics</" in answer
@@ -384,6 +384,7 @@ class BaseRequests:
         assert "href>/calendar.ics/todo5.ics</" in answer
         assert "href>/calendar.ics/todo6.ics</" in answer
         assert "href>/calendar.ics/todo7.ics</" in answer
+        assert "href>/calendar.ics/todo8.ics</" in answer
 
         
         answer = self._test_filter(["""
@@ -391,7 +392,7 @@ class BaseRequests:
               <C:comp-filter name="VTODO">
                 <C:time-range start="20130901T160000Z" end="20130901T183000Z"/>
               </C:comp-filter>
-            </C:comp-filter>"""],"todo", events=7)
+            </C:comp-filter>"""],"todo", events=8)
         assert "href>/calendar.ics/todo1.ics</" not in answer
         assert "href>/calendar.ics/todo2.ics</" in answer
         assert "href>/calendar.ics/todo3.ics</" in answer
@@ -399,7 +400,40 @@ class BaseRequests:
         assert "href>/calendar.ics/todo5.ics</" not in answer
         assert "href>/calendar.ics/todo6.ics</" not in answer
         assert "href>/calendar.ics/todo7.ics</" in answer
-
+        assert "href>/calendar.ics/todo8.ics</" in answer
+        
+        answer = self._test_filter(["""
+            <C:comp-filter name="VCALENDAR">
+              <C:comp-filter name="VTODO">
+                <C:time-range start="20130903T160000Z" end="20130901T183000Z"/>
+              </C:comp-filter>
+            </C:comp-filter>"""],"todo", events=1)
+        assert "href>/calendar.ics/todo2.ics</" not in answer
+        
+        answer = self._test_filter(["""
+            <C:comp-filter name="VCALENDAR">
+              <C:comp-filter name="VTODO">
+                <C:time-range start="20130903T160000Z" end="20130901T173000Z"/>
+              </C:comp-filter>
+            </C:comp-filter>"""],"todo", events=1)
+        assert "href>/calendar.ics/todo2.ics</" not in answer
+        
+        answer = self._test_filter(["""
+            <C:comp-filter name="VCALENDAR">
+              <C:comp-filter name="VTODO">
+                <C:time-range start="20130903T160000Z" end="20130903T173000Z"/>
+              </C:comp-filter>
+            </C:comp-filter>"""],"todo", events=1)
+        assert "href>/calendar.ics/todo3.ics</" not in answer
+        
+        answer = self._test_filter(["""
+            <C:comp-filter name="VCALENDAR">
+              <C:comp-filter name="VTODO">
+                <C:time-range start="20130903T180000Z" end="20130903T173000Z"/>
+              </C:comp-filter>
+            </C:comp-filter>"""],"todo", events=1)
+        assert "href>/calendar.ics/todo3.ics</" not in answer
+        
         
         answer = self._test_filter(["""
             <C:comp-filter name="VCALENDAR">