Daniel Radcliffe as Harry Potter in Warner Bros. Pictures fantasy ad­ven­ture “Harry Potter and the Half-Blood Prince.” (Jaap Buitendijk/JAAP BUITENDJIK)

(Jump to quiz here.)

Sure, you know that Harry Potter’s patronus is a stag, but can you name the patronuses of all of the characters in “Harry Potter and the Deathly Hallows — Part 2”?

In terms of emotions, the bittersweet nostalgia of the eighth and final Harry Potter movie, which premieres tonight, has only been topped by the intense desire among Pottermaniacs to prove that they are ... Pottermaniacs.

As Tracy Grant points out in her heartwarming column today, an entire generation of children grew up with Harry, Hermione and Ron, and they know the series inside and out.

Here’s your chance. Prepare for “Harry Potter and the Deathly Hallows — Part 2” by taking our O.W.L. exam. The quiz’s 10 questions cover the seven books, the eight movies and all of your favorite characters.

Beware: This is a tough one.

(Can’t get enough Harry? Chat with The Post’s unofficial HP expert, Monica Hesse, at noon ET Friday. Submit your questions now. And if you’re itching for more Harry Potter tests, check out this actor matching quiz. For complete coverage of the end of the series, visit our Harry Potter page here.)