4b4d7b072f
It is easy to create only self-referential refblocks, but there are cases where that is impossible. This adds a test for two of those cases (combined in a single test case). Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 1417798412-15330-1-git-send-email-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>