Sugar cane can be placed underwater?

What I expected to happen was...:
Expect the sugar cane to be destroyed by water.

What actually happened was...:
The sugar can stay still

Steps to Reproduce:

1. Find a river for exemple.
2. As long as there is water next to the block where the sugar cane is placed, the sugar cane will not be destroyed naturaly by water like grass would be.

Useful for:
Breathing under water.

 Side Note:
The bug work in all versions of minecraft and can be reproduced in solo and server and in
survival. If the block beneath the sugar cane update, it will broke it.