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guile/test-suite/tests/filesys.test
2006-05-27 22:24:24 +00:00

129 lines
3.3 KiB
Scheme

;;;; filesys.test --- test file system functions -*- scheme -*-
;;;;
;;;; Copyright (C) 2004, 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-filesys)
#:use-module (test-suite lib)
#:use-module (test-suite guile-test))
(define (test-file)
(data-file-name "filesys-test.tmp"))
(define (test-symlink)
(data-file-name "filesys-test-link.tmp"))
;;;
;;; copy-file
;;;
(with-test-prefix "copy-file"
;; return next prospective file descriptor number
(define (next-fd)
(let ((fd (dup 0)))
(close fd)
fd))
;; in guile 1.6.4 and earlier, copy-file didn't close the input fd when
;; the output could not be opened
(pass-if "fd leak when dest unwritable"
(let ((old-next (next-fd)))
(false-if-exception (copy-file "/dev/null" "no/such/dir/foo"))
(= old-next (next-fd)))))
;;;
;;; lstat
;;;
(with-test-prefix "lstat"
(pass-if "normal file"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(eqv? 5 (stat:size (lstat (test-file)))))
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(false-if-exception (delete-file (test-symlink)))
(if (not (false-if-exception
(begin (symlink (test-file) (test-symlink)) #t)))
(display "cannot create symlink, lstat test skipped\n")
(pass-if "symlink"
;; not much to test, except that it works
(->bool (lstat (test-symlink))))))
;;;
;;; opendir and friends
;;;
(with-test-prefix "opendir"
(with-test-prefix "root directory"
(let ((d (opendir "/")))
(pass-if "not empty"
(string? (readdir d)))
(pass-if "all entries are strings"
(let more ()
(let ((f (readdir d)))
(cond ((string? f)
(more))
((eof-object? f)
#t)
(else
#f)))))
(closedir d))))
;;;
;;; stat
;;;
(with-test-prefix "stat"
(with-test-prefix "filename"
(pass-if "size"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(eqv? 5 (stat:size (stat (test-file))))))
(with-test-prefix "file descriptor"
(pass-if "size"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(let* ((fd (open-fdes (test-file) O_RDONLY))
(st (stat fd)))
(close-fdes fd)
(eqv? 5 (stat:size st)))))
(with-test-prefix "port"
(pass-if "size"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(let* ((port (open-file (test-file) "r+"))
(st (stat port)))
(close-port port)
(eqv? 5 (stat:size st))))))
(delete-file (test-file))
(delete-file (test-symlink))