def test_seek_whence_one(self):
r = Reader('')
r._pos = 2
r.seek(5, 1)
assert_equals(7, r._pos)
def test_check_underflow(self):
r = Reader('')
r._pos = 0
r._end_pos = 5
r._check_underflow(3)
assert_raises(Reader.BufferUnderflow, r._check_underflow, 8)
def test_tell(self):
r = Reader('')
r._pos = 'foo'
assert_equals('foo', r.tell())
