diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index e242170..489af20 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -999,8 +999,8 @@
 
     def test_partition(self):
 
-        self.checkequal(('this', ' is ', 'the partition method'),
-            'this is the partition method', 'partition', ' is ')
+        self.checkequal(('this is the par', 'ti', 'tion method'),
+            'this is the partition method', 'partition', 'ti')
 
         # from raymond's original specification
         S = 'http://www.python.org'
@@ -1012,6 +1012,21 @@
         self.checkraises(ValueError, S, 'partition', '')
         self.checkraises(TypeError, S, 'partition', None)
 
+    def test_rpartition(self):
+
+        self.checkequal(('this is the rparti', 'ti', 'on method'),
+            'this is the rpartition method', 'rpartition', 'ti')
+
+        # from raymond's original specification
+        S = 'http://www.python.org'
+        self.checkequal(('http', '://', 'www.python.org'), S, 'rpartition', '://')
+        self.checkequal(('http://www.python.org', '', ''), S, 'rpartition', '?')
+        self.checkequal(('', 'http://', 'www.python.org'), S, 'rpartition', 'http://')
+        self.checkequal(('http://www.python.', 'org', ''), S, 'rpartition', 'org')
+
+        self.checkraises(ValueError, S, 'rpartition', '')
+        self.checkraises(TypeError, S, 'rpartition', None)
+
 
 class MixinStrStringUserStringTest:
     # Additional tests for 8bit strings, i.e. str, UserString and