guile/test-suite/tests/ftw.test

;;;; ftw.test --- exercise ice-9/ftw.scm      -*- scheme -*-
;;;;
;;;; Copyright 2006 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 2.1 of the License, or (at your option) any later version.
;;;; 
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;;; Lesser General Public License for more details.
;;;; 
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (test-suite test-ice-9-ftw)
  #:use-module (test-suite lib)
  #:use-module (ice-9 ftw))


;; the procedure-source checks here ensure the vector indexes we write match
;; what ice-9/posix.scm stat:dev and stat:ino do (which in turn match
;; libguile/filesys.c of course)

(or (equal? (procedure-source stat:dev)
	    '(lambda (f) (vector-ref f 0)))
    (error "oops, unexpected stat:dev definition"))
(define (stat:dev! st dev)
  (vector-set! st 0 dev))

(or (equal? (procedure-source stat:ino)
	    '(lambda (f) (vector-ref f 1)))
    (error "oops, unexpected stat:ino definition"))
(define (stat:ino! st ino)
  (vector-set! st 1 ino))


;;
;; visited?-proc
;;

(with-test-prefix "visited?-proc"

  ;; normally internal-only
  (let* ((visited?-proc (@@ (ice-9 ftw) visited?-proc))
	 (visited? (visited?-proc 97))
	 (s (stat "/")))

    (define (try-visited? dev ino)
      (stat:dev! s dev)
      (stat:ino! s ino)
      (visited? s))

    (pass-if "0 0 - 1st" (eq? #f (try-visited? 0 0)))
    (pass-if "0 0 - 2nd" (eq? #t (try-visited? 0 0)))
    (pass-if "0 0 - 3rd" (eq? #t (try-visited? 0 0)))

    (pass-if "0 1" (eq? #f (try-visited? 0 1)))
    (pass-if "0 2" (eq? #f (try-visited? 0 2)))
    (pass-if "0 3" (eq? #f (try-visited? 0 3)))

    (pass-if "5 5" (eq? #f (try-visited? 5 5)))
    (pass-if "5 7" (eq? #f (try-visited? 5 7)))
    (pass-if "7 5" (eq? #f (try-visited? 7 5)))
    (pass-if "7 7" (eq? #f (try-visited? 7 7)))

    (pass-if "5 5 - 2nd" (eq? #t (try-visited? 5 5)))
    (pass-if "5 7 - 2nd" (eq? #t (try-visited? 5 7)))
    (pass-if "7 5 - 2nd" (eq? #t (try-visited? 7 5)))
    (pass-if "7 7 - 2nd" (eq? #t (try-visited? 7 7)))))