i put enchanted books and a diamond sword/pick in and the game took my xp and my enchanted book and i didnt get the enchantment

Put the summary of the bug you're having here

What I expected to happen was...:
the enchanted books i put in the anvil would go to my diamond sword/pick

What actually happened was...:
when i took the sword/pick out it took my xp and the book and i didnt get the enchantment

Steps to Reproduce:
1.i enchanted a book to level 30 in my enchanting table
2.then i but the book and my diamond sword/pick in the anvil to put the enchantment on the sword/pick
3. then when i took the sword/pick out and the game took my xp and and the enchanted book and then my sword/pick didnt heve the enchantment on it (both items had at least 1 enchantment on it)