# HG changeset patch
# User arkady.koplyarov
# Date 1300303721 14400
# Node ID 43c30a62521ccc2467a913d3c109c55c416efe3b
# Parent  5f23a6557e364e00d096eb9b9558db0ca8ecb209
Adding a testcase to test that an exception binhex.Error is raised when
the filename provided to the binhex(input, output) function is too long
to fit in the filename field.

test_binhex_error_on_long_filename

diff -r 5f23a6557e36 -r 43c30a62521c Lib/test/test_binhex.py
--- a/Lib/test/test_binhex.py	Sun Mar 13 16:36:08 2011 -0500
+++ b/Lib/test/test_binhex.py	Wed Mar 16 15:28:41 2011 -0400
@@ -15,6 +15,7 @@
     def setUp(self):
         self.fname1 = support.TESTFN + "1"
         self.fname2 = support.TESTFN + "2"
+        self.fname3 = support.TESTFN + "very_long_filename__very_long_filename__very_long_filename__very_long_filename__"
 
     def tearDown(self):
         support.unlink(self.fname1)
@@ -37,6 +38,16 @@
 
         self.assertEqual(self.DATA, finish)
 
+    def test_binhex_error_on_long_filename(self):
+        f3 = open(self.fname3, 'wb')
+        f3.close()
+        try:
+            binhex.binhex(self.fname3, self.fname2)
+        except BaseException as ex:
+            # Fail if the exception raised in binhex.binhex() is not an instance of binhex.Error
+            self.assertIsInstance(ex, binhex.Error)
+        else:
+            self.fail("The exception %s is not raised in binhex.binhex()." % (binhex.Error) )
 
 def test_main():
     support.run_unittest(BinHexTestCase)