From 1daaf9e68e52e0c79778e37f395ce686da225385 Mon Sep 17 00:00:00 2001
From: "R. David Murray" <rdmurray@bitdance.com>
Date: Fri, 31 Dec 2010 19:21:14 +0000
Subject: #9361: add some tests for calendar.leapdays

Patch by John Chandler.
---
 Lib/test/test_calendar.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Lib/test/test_calendar.py b/Lib/test/test_calendar.py
index 8d7f185..4bd758b 100644
--- a/Lib/test/test_calendar.py
+++ b/Lib/test/test_calendar.py
@@ -430,6 +430,26 @@ class MonthRangeTestCase(unittest.TestCase):
         with self.assertRaises(calendar.IllegalMonthError):
             calendar.monthrange(2004, 13)
 
+class LeapdaysTestCase(unittest.TestCase):
+    def test_no_range(self):
+        # test when no range i.e. two identical years as args
+        self.assertEqual(calendar.leapdays(2010,2010), 0)
+
+    def test_no_leapdays(self):
+        # test when no leap years in range
+        self.assertEqual(calendar.leapdays(2010,2011), 0)
+
+    def test_no_leapdays_upper_boundary(self):
+        # test no leap years in range, when upper boundary is a leap year
+        self.assertEqual(calendar.leapdays(2010,2012), 0)
+
+    def test_one_leapday_lower_boundary(self):
+        # test when one leap year in range, lower boundary is leap year
+        self.assertEqual(calendar.leapdays(2012,2013), 1)
+
+    def test_several_leapyears_in_range(self):
+        self.assertEqual(calendar.leapdays(1997,2020), 5)
+
 
 def test_main():
     support.run_unittest(
@@ -439,6 +459,7 @@ def test_main():
         SundayTestCase,
         TimegmTestCase,
         MonthRangeTestCase,
+        LeapdaysTestCase,
     )
 
 
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