(use fuse test)

(test-error  (make-filesystem 1))
(test-error  (make-filesystem foo:))
(test-error  (make-filesystem foo: void))
(test-assert (make-filesystem))
(test-assert (make-filesystem getattr: void))
(test-assert (not (filesystem? 1)))
(test-assert (filesystem? (make-filesystem)))
(test-assert (filesystem? (make-filesystem getattr: void)))