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Diffstat (limited to 'Lib/test/test_unicode.py')
| -rw-r--r-- | Lib/test/test_unicode.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index 76674d5..fbad984 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -6,7 +6,7 @@ Written by Marc-Andre Lemburg (mal@lemburg.com). (c) Copyright CNRI, All Rights Reserved. NO WARRANTY. """#" -import unittest, sys, codecs, new +import unittest, sys, struct, codecs, new from test import test_support, string_tests # Error handling (bad decoder return) @@ -785,8 +785,13 @@ class UnicodeTest( self.assertEqual(repr(s1()), '\\n') self.assertEqual(repr(s2()), '\\n') - - + def test_expandtabs_overflows_gracefully(self): + # This test only affects 32-bit platforms because expandtabs can only take + # an int as the max value, not a 64-bit C long. If expandtabs is changed + # to take a 64-bit long, this test should apply to all platforms. + if sys.maxint > (1 << 32) or struct.calcsize('P') != 4: + return + self.assertRaises(OverflowError, u't\tt\t'.expandtabs, sys.maxint) def test_main(): |