This test requires tag functionality to be enabled in Advanced settings in the Site administration and book chapters to be enabled as a tag area.

1. Log in as a teacher and go to a book resource (or create a new book).
2. Turn editing on, edit a chapter and add a few tags.
3. Save changes and check that the tags are displayed correctly.
4. Edit the chapter again and delete one of the tags.
5. Save changes and check that the deleted tag is no longer displayed.
6. Click on one of the remaining tags and check that the tag index page lists the book chapter and all other items in the same tag collection with the tag.
7. Go to the course page and duplicate the book.
8. Check that the duplicated book has the same book chapter tags.
9. Log in as a student enrolled in the course and go to the tag index page listing the book chapter (viewed in step 6).
10. Try clicking the book chapter link and check that it leads to the correct book chapter.
11. Log in as a different student not enrolled in the course and go to the same tag index page (as viewed in step 6).
12. Check that the book chapter is no longer listed.