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-rw-r--r--Lib/test/test_fileio.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index 9f70a73..a8b15fa 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -227,6 +227,10 @@ class OtherFileTests(unittest.TestCase):
except:
pass
+ def testInvalidInit(self):
+ self.assertRaises(TypeError, _fileio._FileIO, "1", 0, 0)
+
+
def test_main():
# Historically, these tests have been sloppy about removing TESTFN.
# So get rid of it no matter what.