diff -r 020ebe0be33e Lib/test/test_urllib.py
--- a/Lib/test/test_urllib.py	Sat Apr 23 17:56:06 2011 +0200
+++ b/Lib/test/test_urllib.py	Sun Apr 24 19:42:29 2011 -0300
@@ -390,6 +390,23 @@
         self.assertEqual(len(report), 3)
         self.assertEqual(report[0][1], 8192)
         self.assertEqual(report[0][2], 8193)
+    
+    def test_progresshook_8193_bytes(self):
+        # Test on 8193 byte file. Should call progresshook only 3 times (once
+        # when the "network connection" is established, once for the next 8192
+        # bytes, and once for the last byte).
+        report = []
+        def hooktester(read, size, _report=report):
+            _report.append((read, size))
+        srcFileName = self.createNewTempFile(b"x" * 8193)
+        urllib.request.urlretrieve(self.constructLocalFileUrl(srcFileName),
+            support.TESTFN, progresshook=hooktester)
+        self.assertEqual(len(report), 3)
+        self.assertEqual(report[0][0], 0)
+        self.assertEqual(report[0][1], 8193)
+        
+        self.assertEqual(report[1][0], 8192)
+        self.assertEqual(report[2][0], 8193)
 
 class QuotingTests(unittest.TestCase):
     """Tests for urllib.quote() and urllib.quote_plus()