class TextIOTestMixin:
- def test_relative_seek(self):
- memio = self.ioclass()
-
- self.assertRaises(IOError, memio.seek, -1, 1)
- self.assertRaises(IOError, memio.seek, 3, 1)
- self.assertRaises(IOError, memio.seek, -3, 1)
- self.assertRaises(IOError, memio.seek, -1, 2)
- self.assertRaises(IOError, memio.seek, 1, 1)
- self.assertRaises(IOError, memio.seek, 1, 2)
-
- def test_textio_properties(self):
- memio = self.ioclass()
-
- # These are just dummy values but we nevertheless check them for fear
- # of unexpected breakage.
- self.assertTrue(memio.encoding is None)
- self.assertEqual(memio.errors, "strict")
- self.assertEqual(memio.line_buffering, False)
-
def test_newlines_property(self):
memio = self.ioclass(newline=None)
# The C StringIO decodes newlines in write() calls, but the Python