When in creative mode, right clicking while holding a piece of armour in your hotbar while equipt it-and also keep it in your hotbar therefore duping.
What I expected to happen was...:
THat the armour would goto my armour slot.
What actually happened was...:
It stayed in my hotbar and also equipted.
Steps to Reproduce:
1. Goto gamemode 1 (creative)
2. Get a peice of armour (can be damaged, anyy type and can havce enchantments.
3. Hold it in your hotbar, and right click.
Standard creative behaviour of perserving the item in hand.