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Diffstat (limited to 'Lib/test/test_StringIO.py')
| -rw-r--r-- | Lib/test/test_StringIO.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py index aa36b09..9f79b02 100644 --- a/Lib/test/test_StringIO.py +++ b/Lib/test/test_StringIO.py @@ -62,6 +62,7 @@ class TestGenericStringIO(unittest.TestCase): eq(f.getvalue(), 'abcde') f.write('xyz') eq(f.getvalue(), 'abcdexyz') + self.assertRaises(IOError, f.truncate, -1) f.close() self.assertRaises(ValueError, f.write, 'frobnitz') |