diff options
Diffstat (limited to 'Lib/test/test_file2k.py')
| -rw-r--r-- | Lib/test/test_file2k.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Lib/test/test_file2k.py b/Lib/test/test_file2k.py index bf47c6f..5c2de37 100644 --- a/Lib/test/test_file2k.py +++ b/Lib/test/test_file2k.py @@ -86,6 +86,8 @@ class AutoFileTests(unittest.TestCase): self.assertTrue(repr(self.f).startswith("<open file '" + TESTFN)) def testErrors(self): + self.f.close() + self.f = open(TESTFN, 'rb') f = self.f self.assertEquals(f.name, TESTFN) self.assertTrue(not f.isatty()) @@ -123,6 +125,40 @@ class AutoFileTests(unittest.TestCase): def testReadWhenWriting(self): self.assertRaises(IOError, self.f.read) + def testIssue5677(self): + # Remark: Do not perform more than one test per open file, + # since that does NOT catch the readline error on Windows. + data = 'xxx' + for mode in ['w', 'wb', 'a', 'ab']: + for attr in ['read', 'readline', 'readlines']: + self.f = open(TESTFN, mode) + self.f.write(data) + self.assertRaises(IOError, getattr(self.f, attr)) + self.f.close() + + self.f = open(TESTFN, mode) + self.f.write(data) + self.assertRaises(IOError, lambda: [line for line in self.f]) + self.f.close() + + self.f = open(TESTFN, mode) + self.f.write(data) + self.assertRaises(IOError, self.f.readinto, bytearray(len(data))) + self.f.close() + + for mode in ['r', 'rb', 'U', 'Ub', 'Ur', 'rU', 'rbU', 'rUb']: + self.f = open(TESTFN, mode) + self.assertRaises(IOError, self.f.write, data) + self.f.close() + + self.f = open(TESTFN, mode) + self.assertRaises(IOError, self.f.writelines, [data, data]) + self.f.close() + + self.f = open(TESTFN, mode) + self.assertRaises(IOError, self.f.truncate) + self.f.close() + class OtherFileTests(unittest.TestCase): def testOpenDir(self): |