def test_seek_min_zero(self):
sfile = self.make_count_reader()
- sfile.seek(-2, os.SEEK_SET)
+ self.assertEqual(0, sfile.tell())
+ with self.assertRaises(IOError):
+ sfile.seek(-2, os.SEEK_SET)
self.assertEqual(0, sfile.tell())
def test_seek_max_size(self):
sfile = self.make_count_reader()
sfile.seek(2, os.SEEK_END)
- self.assertEqual(9, sfile.tell())
+ # POSIX permits seeking past end of file.
+ self.assertEqual(11, sfile.tell())
def test_size(self):
self.assertEqual(9, self.make_count_reader().size())