diff --git a/polls/tests.py b/polls/tests.py
index be761e3..d5da4b0 100644
--- a/polls/tests.py
+++ b/polls/tests.py
@@ -14,4 +14,22 @@ class QuestionModelTests(TestCase):
         """
         time = timezone.now() + datetime.timedelta(days=30)
         future_question = Question(pub_date=time)
-        self.assertIs(future_question.was_published_recently(), False)
\ No newline at end of file
+        self.assertIs(future_question.was_published_recently(), False)
+
+    def test_was_published_recently_with_old_question(self):
+        """
+        was_published_recently() returns False for questions whose pub_date
+        is older than 1 day.
+        """
+        time = timezone.now() - datetime.timedelta(days=1, seconds=1)
+        old_question = Question(pub_date=time)
+        self.assertIs(old_question.was_published_recently(), False)
+
+    def test_was_published_recently_with_recent_question(self):
+        """
+        was_published_recently() returns True for questions whose pub_date
+        is within the last day.
+        """
+        time = timezone.now() - datetime.timedelta(hours=23, minutes=59, seconds=59)
+        recent_question = Question(pub_date=time)
+        self.assertIs(recent_question.was_published_recently(), True)