contrib/sb-posix/posix-tests.lisp

   1 (defpackage "SB-POSIX-TESTS"
   2   (:use "COMMON-LISP" "SB-RT"))
   3
   4 (in-package "SB-POSIX-TESTS")
   5
   6 (defvar *test-directory*
   7   (ensure-directories-exist
   8    (merge-pathnames (make-pathname :directory '(:relative "test-lab"))
   9                     (make-pathname :directory
  10                                    (pathname-directory *load-truename*)))))
  11
  12 (defvar *current-directory* *default-pathname-defaults*)
  13
  14 (defvar *this-file* *load-truename*)
  15
  16 (eval-when (:compile-toplevel :load-toplevel)
  17   (defconstant +mode-rwx-all+
  18     (logior sb-posix::s-irusr sb-posix::s-iwusr sb-posix::s-ixusr
  19             #-win32
  20             (logior
  21              sb-posix::s-irgrp sb-posix::s-iwgrp sb-posix::s-ixgrp
  22              sb-posix::s-iroth sb-posix::s-iwoth sb-posix::s-ixoth))))
  23
  24 (defmacro define-eacces-test (name form &rest values)
  25   #-win32
  26   `(deftest ,name
  27     (block ,name
  28       (when (= (sb-posix:geteuid) 0)
  29         (return-from ,name (values ,@values)))
  30       ,form)
  31     ,@values))
  32 \f
  33 (deftest chdir.1
  34   (sb-posix:chdir *test-directory*)
  35   0)
  36
  37 (deftest chdir.2
  38     (sb-posix:chdir (namestring *test-directory*))
  39   0)
  40
  41 (deftest chdir.3
  42     (sb-posix:chdir "/")
  43   0)
  44
  45 (deftest chdir.4
  46     (sb-posix:chdir #p"/")
  47   0)
  48
  49 (deftest chdir.5
  50     (sb-posix:chdir *current-directory*)
  51   0)
  52
  53 (deftest chdir.6
  54   (sb-posix:chdir "/../")
  55   0)
  56
  57 (deftest chdir.7
  58   (sb-posix:chdir #p"/../")
  59   0)
  60
  61 (deftest chdir.8
  62   (sb-posix:chdir (make-pathname :directory '(:absolute :up)))
  63   0)
  64
  65 (deftest chdir.error.1
  66   (let ((dne (make-pathname :directory '(:relative "chdir.does-not-exist"))))
  67     (handler-case
  68         (sb-posix:chdir (merge-pathnames dne *test-directory*))
  69       (sb-posix:syscall-error (c)
  70         (sb-posix:syscall-errno c))))
  71   #.sb-posix::enoent)
  72
  73 (deftest chdir.error.2
  74   (handler-case
  75       (sb-posix:chdir *this-file*)
  76     (sb-posix:syscall-error (c)
  77       (sb-posix:syscall-errno c)))
  78   #-win32
  79   #.sb-posix:enotdir
  80   #+win32
  81   #.sb-posix:einval)
  82 \f
  83 (deftest mkdir.1
  84   (let ((dne (make-pathname :directory '(:relative "mkdir.does-not-exist.1"))))
  85     (unwind-protect
  86          (sb-posix:mkdir (merge-pathnames dne *test-directory*) 0)
  87       ;; FIXME: no delete-directory in CL, but using our own operators
  88       ;; is probably not ideal
  89       (ignore-errors (sb-posix:rmdir (merge-pathnames dne *test-directory*)))))
  90   0)
  91
  92 (deftest mkdir.2
  93   (let ((dne (make-pathname :directory '(:relative "mkdir.does-not-exist.2"))))
  94     (unwind-protect
  95          (sb-posix:mkdir (namestring (merge-pathnames dne *test-directory*)) 0)
  96       (ignore-errors (sb-posix:rmdir (merge-pathnames dne *test-directory*)))))
  97   0)
  98
  99 (deftest mkdir.error.1
 100   (handler-case
 101       (sb-posix:mkdir *test-directory* 0)
 102     (sb-posix:syscall-error (c)
 103       (sb-posix:syscall-errno c)))
 104   #.sb-posix::eexist)
 105
 106 (deftest mkdir.error.2
 107   (handler-case
 108       (sb-posix:mkdir #-win32 "/" #+win32 "C:/" 0)
 109     (sb-posix:syscall-error (c)
 110       (sb-posix:syscall-errno c)))
 111   #-win32
 112   #.sb-posix::eexist
 113   #+win32
 114   #.sb-posix:eacces)
 115
 116 (define-eacces-test mkdir.error.3
 117   (let* ((dir (merge-pathnames
 118                (make-pathname :directory '(:relative "mkdir.error.3"))
 119                *test-directory*))
 120          (dir2 (merge-pathnames
 121                 (make-pathname :directory '(:relative "does-not-exist"))
 122                 dir)))
 123     (sb-posix:mkdir dir 0)
 124     (handler-case
 125         (sb-posix:mkdir dir2 0)
 126       (sb-posix:syscall-error (c)
 127         (sb-posix:rmdir dir)
 128         (sb-posix:syscall-errno c))
 129       (:no-error (result)
 130         (sb-posix:rmdir dir2)
 131         (sb-posix:rmdir dir)
 132         result)))
 133   #.sb-posix::eacces)
 134 \f
 135 (deftest rmdir.1
 136   (let ((dne (make-pathname :directory '(:relative "rmdir.does-not-exist.1"))))
 137     (ensure-directories-exist (merge-pathnames dne *test-directory*))
 138     (sb-posix:rmdir (merge-pathnames dne *test-directory*)))
 139   0)
 140
 141 (deftest rmdir.2
 142   (let ((dne (make-pathname :directory '(:relative "rmdir.does-not-exist.2"))))
 143     (ensure-directories-exist (merge-pathnames dne *test-directory*))
 144     (sb-posix:rmdir (namestring (merge-pathnames dne *test-directory*))))
 145   0)
 146
 147 (deftest rmdir.error.1
 148   (let ((dne (make-pathname :directory '(:relative "rmdir.dne.error.1"))))
 149     (handler-case
 150         (sb-posix:rmdir (merge-pathnames dne *test-directory*))
 151       (sb-posix:syscall-error (c)
 152         (sb-posix:syscall-errno c))))
 153   #.sb-posix::enoent)
 154
 155 (deftest rmdir.error.2
 156   (handler-case
 157       (sb-posix:rmdir *this-file*)
 158     (sb-posix:syscall-error (c)
 159       (sb-posix:syscall-errno c)))
 160   #-win32
 161   #.sb-posix::enotdir
 162   #+win32
 163   #.sb-posix::einval)
 164
 165 (deftest rmdir.error.3
 166   (handler-case
 167       (sb-posix:rmdir #-win32 "/" #+win32 "C:/")
 168     (sb-posix:syscall-error (c)
 169       (sb-posix:syscall-errno c)))
 170   #-win32
 171   #.sb-posix::ebusy
 172   #+win32
 173   #.sb-posix::eacces)
 174
 175 (deftest rmdir.error.4
 176   (let* ((dir (ensure-directories-exist
 177                (merge-pathnames
 178                 (make-pathname :directory '(:relative "rmdir.error.4"))
 179                 *test-directory*)))
 180          (file (make-pathname :name "foo" :defaults dir)))
 181     (with-open-file (s file :direction :output :if-exists nil)
 182       (write "" :stream s))
 183     (handler-case
 184         (sb-posix:rmdir dir)
 185       (sb-posix:syscall-error (c)
 186         (delete-file file)
 187         (sb-posix:rmdir dir)
 188         (let ((errno (sb-posix:syscall-errno c)))
 189           ;; documented by POSIX
 190           (or (= errno sb-posix::eexist) (= errno sb-posix::enotempty))))))
 191   t)
 192
 193 (define-eacces-test rmdir.error.5
 194   (let* ((dir (merge-pathnames
 195                (make-pathname :directory '(:relative "rmdir.error.5"))
 196                *test-directory*))
 197          (dir2 (merge-pathnames
 198                 (make-pathname :directory '(:relative "unremovable"))
 199                 dir)))
 200     (sb-posix:mkdir dir +mode-rwx-all+)
 201     (sb-posix:mkdir dir2 +mode-rwx-all+)
 202     (sb-posix:chmod dir 0)
 203     (handler-case
 204         (sb-posix:rmdir dir2)
 205       (sb-posix:syscall-error (c)
 206         (sb-posix:chmod dir (logior sb-posix::s-iread sb-posix::s-iwrite sb-posix::s-iexec))
 207         (sb-posix:rmdir dir2)
 208         (sb-posix:rmdir dir)
 209         (sb-posix:syscall-errno c))
 210       (:no-error (result)
 211         (sb-posix:chmod dir (logior sb-posix::s-iread sb-posix::s-iwrite sb-posix::s-iexec))
 212         (sb-posix:rmdir dir)
 213         result)))
 214   #.sb-posix::eacces)
 215 \f
 216 (deftest stat.1
 217   (let* ((stat (sb-posix:stat *test-directory*))
 218          (mode (sb-posix::stat-mode stat)))
 219     ;; FIXME: Ugly ::s everywhere
 220     (logand mode (logior sb-posix::s-iread sb-posix::s-iwrite sb-posix::s-iexec)))
 221   #.(logior sb-posix::s-iread sb-posix::s-iwrite sb-posix::s-iexec))
 222
 223 #-win32
 224 (deftest stat.2
 225   (let* ((stat (sb-posix:stat "/"))
 226          (mode (sb-posix::stat-mode stat)))
 227     ;; it's logically possible for / to be writeable by others... but
 228     ;; if it is, either someone is playing with strange security
 229     ;; modules or they want to know about it anyway.
 230     (logand mode sb-posix::s-iwoth))
 231   0)
 232
 233 (deftest stat.3
 234   (let* ((now (get-universal-time))
 235          ;; FIXME: (encode-universal-time 00 00 00 01 01 1970)
 236          (unix-now (- now 2208988800))
 237          (stat (sb-posix:stat *test-directory*))
 238          (atime (sb-posix::stat-atime stat)))
 239     ;; FIXME: breaks if mounted noatime :-(
 240     #+nil (< (- atime unix-now) 10)
 241     (< (- atime unix-now) 10))
 242   t)
 243
 244 #-win32
 245 (deftest stat.4
 246   (let* ((stat (sb-posix:stat (make-pathname :directory '(:absolute :up))))
 247          (mode (sb-posix::stat-mode stat)))
 248     ;; it's logically possible for / to be writeable by others... but
 249     ;; if it is, either someone is playing with strange security
 250     ;; modules or they want to know about it anyway.
 251     (logand mode sb-posix::s-iwoth))
 252   0)
 253
 254 ;;; FIXME: add tests for carrying a stat structure around in the
 255 ;;; optional argument to SB-POSIX:STAT
 256
 257 (deftest stat.error.1
 258   (handler-case (sb-posix:stat "")
 259     (sb-posix:syscall-error (c)
 260       (sb-posix:syscall-errno c)))
 261   #.sb-posix::enoent)
 262
 263 (define-eacces-test stat.error.2
 264   (let* ((dir (merge-pathnames
 265                (make-pathname :directory '(:relative "stat.error.2"))
 266                *test-directory*))
 267          (file (merge-pathnames
 268                 (make-pathname :name "unstatable")
 269                 dir)))
 270     (sb-posix:mkdir dir +mode-rwx-all+)
 271     (with-open-file (s file :direction :output)
 272       (write "" :stream s))
 273     (sb-posix:chmod dir 0)
 274     (handler-case
 275         (sb-posix:stat file)
 276       (sb-posix:syscall-error (c)
 277         (sb-posix:chmod dir (logior sb-posix::s-iread sb-posix::s-iwrite sb-posix::s-iexec))
 278         (sb-posix:unlink file)
 279         (sb-posix:rmdir dir)
 280         (sb-posix:syscall-errno c))
 281       (:no-error (result)
 282         (sb-posix:chmod dir (logior sb-posix::s-iread sb-posix::s-iwrite sb-posix::s-iexec))
 283         (sb-posix:unlink file)
 284         (sb-posix:rmdir dir)
 285         result)))
 286   #.sb-posix::eacces)
 287 \f
 288 ;;; stat-mode tests
 289 (defmacro with-stat-mode ((mode pathname) &body body)
 290   (let ((stat (gensym)))
 291     `(let* ((,stat (sb-posix:stat ,pathname))
 292             (,mode (sb-posix::stat-mode ,stat)))
 293        ,@body)))
 294
 295 (defmacro with-lstat-mode ((mode pathname) &body body)
 296   (let ((stat (gensym)))
 297     `(let* ((,stat (sb-posix:lstat ,pathname))
 298             (,mode (sb-posix::stat-mode ,stat)))
 299        ,@body)))
 300
 301 (deftest stat-mode.1
 302   (with-stat-mode (mode *test-directory*)
 303     (sb-posix:s-isreg mode))
 304   nil)
 305
 306 (deftest stat-mode.2
 307   (with-stat-mode (mode *test-directory*)
 308     (sb-posix:s-isdir mode))
 309   t)
 310
 311 (deftest stat-mode.3
 312   (with-stat-mode (mode *test-directory*)
 313     (sb-posix:s-ischr mode))
 314   nil)
 315
 316 (deftest stat-mode.4
 317   (with-stat-mode (mode *test-directory*)
 318     (sb-posix:s-isblk mode))
 319   nil)
 320
 321 (deftest stat-mode.5
 322   (with-stat-mode (mode *test-directory*)
 323     (sb-posix:s-isfifo mode))
 324   nil)
 325
 326 #-win32
 327 (deftest stat-mode.6
 328   (with-stat-mode (mode *test-directory*)
 329     (sb-posix:s-issock mode))
 330   nil)
 331
 332 #-win32
 333 (deftest stat-mode.7
 334   (let ((link-pathname (make-pathname :name "stat-mode.7"
 335                                       :defaults *test-directory*)))
 336     (unwind-protect
 337          (progn
 338            (sb-posix:symlink *test-directory* link-pathname)
 339            (with-lstat-mode (mode link-pathname)
 340              (sb-posix:s-islnk mode)))
 341       (ignore-errors (sb-posix:unlink link-pathname))))
 342   t)
 343
 344 (deftest stat-mode.8
 345   (let ((pathname (make-pathname :name "stat-mode.8"
 346                                  :defaults *test-directory*)))
 347     (unwind-protect
 348          (progn
 349            (with-open-file (out pathname :direction :output)
 350              (write-line "test" out))
 351            (with-stat-mode (mode pathname)
 352              (sb-posix:s-isreg mode)))
 353       (ignore-errors (delete-file pathname))))
 354   t)
 355 \f
 356 ;;; see comment in filename's designator definition, in macros.lisp
 357 (deftest filename-designator.1
 358   (let ((file (format nil "~A/[foo].txt" (namestring *test-directory*))))
 359     ;; creat() with a string as argument
 360     (let ((fd (sb-posix:creat file sb-posix:s-iwrite)))
 361       #+win32
 362       (sb-posix:close fd))
 363     ;; if this test fails, it will probably be with
 364     ;; "System call error 2 (No such file or directory)"
 365     (let ((*default-pathname-defaults* *test-directory*))
 366       (sb-posix:unlink (car (directory "*.txt")))))
 367   0)
 368 \f
 369 (deftest open.1
 370     (let ((name (merge-pathnames "open-test.txt" *test-directory*)))
 371       (unwind-protect
 372            (progn
 373              (sb-posix:close
 374               (sb-posix:creat name (logior sb-posix:s-iwrite sb-posix:s-iread)))
 375              (let ((fd (sb-posix:open name sb-posix::o-rdonly)))
 376                (ignore-errors (sb-posix:close fd))
 377                (< fd 0)))
 378         (ignore-errors (sb-posix:unlink name))))
 379   nil)
 380
 381 (deftest open.error.1
 382   (handler-case (sb-posix:open *test-directory* sb-posix::o-wronly)
 383     (sb-posix:syscall-error (c)
 384       (sb-posix:syscall-errno c)))
 385   #-win32
 386   #.sb-posix::eisdir
 387   #+win32
 388   #.sb-posix:eacces)
 389
 390 #-(or (and x86-64 linux) win32)
 391 (deftest fcntl.1
 392   (let ((fd (sb-posix:open "/dev/null" sb-posix::o-nonblock)))
 393     (= (sb-posix:fcntl fd sb-posix::f-getfl) sb-posix::o-nonblock))
 394   t)
 395 ;; On AMD64/Linux O_LARGEFILE is always set, even though the whole
 396 ;; flag makes no sense.
 397 #+(and x86-64 linux)
 398 (deftest fcntl.1
 399   (let ((fd (sb-posix:open "/dev/null" sb-posix::o-nonblock)))
 400     (/= 0 (logand (sb-posix:fcntl fd sb-posix::f-getfl)
 401                   sb-posix::o-nonblock)))
 402   t)
 403
 404 (deftest opendir.1
 405   (let ((dir (sb-posix:opendir "/")))
 406     (unwind-protect (sb-alien:null-alien dir)
 407       (unless (sb-alien:null-alien dir)
 408         (sb-posix:closedir dir))))
 409   nil)
 410
 411 (deftest readdir.1
 412   (let ((dir (sb-posix:opendir "/")))
 413     (unwind-protect
 414        (block dir-loop
 415          (loop for dirent = (sb-posix:readdir dir)
 416                until (sb-alien:null-alien dirent)
 417                when (not (stringp (sb-posix:dirent-name dirent)))
 418                  do (return-from dir-loop nil)
 419                finally (return t)))
 420       (sb-posix:closedir dir)))
 421   t)
 422
 423 (deftest readdir/dirent-name
 424     (let ((dir (sb-posix:opendir *current-directory*)))
 425       (unwind-protect
 426            (equal (sort (loop for entry = (sb-posix:readdir dir)
 427                            until (sb-alien:null-alien entry)
 428                            collect (sb-posix:dirent-name entry))
 429                         #'string<)
 430                   (sort (append '("." "..")
 431                                 (mapcar (lambda (p)
 432                                           (let ((string (enough-namestring p *current-directory*)))
 433                                             (if (pathname-name p)
 434                                                 string
 435                                                 (subseq string 0 (1- (length string))))))
 436                                         (directory (make-pathname
 437                                                     :name :wild
 438                                                     :type :wild
 439                                                     :defaults *current-directory*))))
 440                         #'string<))
 441         (sb-posix:closedir dir)))
 442   t)
 443
 444 #-win32
 445 (deftest pwent.1
 446   ;; make sure that we found something
 447   (not (sb-posix:getpwuid 0))
 448   nil)
 449
 450 #-win32
 451 (deftest pwent.2
 452   ;; make sure that we found something
 453   (not (sb-posix:getpwnam "root"))
 454   nil)
 455
 456 #+nil
 457 ;; Requires root or special group + plus a sensible thing on the port
 458 (deftest cfget/setispeed.1
 459     (with-open-file (s "/dev/ttyS0")
 460       (let* ((termios (sb-posix:tcgetattr s))
 461              (old (sb-posix:cfgetispeed termios))
 462              (new (if (= old sb-posix:b2400)
 463                       sb-posix:b9600
 464                       sb-posix:b2400)))
 465         (sb-posix:cfsetispeed new termios)
 466         (sb-posix:tcsetattr 0 sb-posix:tcsadrain termios)
 467         (setf termios (sb-posix:tcgetattr s))
 468         (= new (sb-posix:cfgetispeed termios))))
 469   t)
 470
 471 #+nil
 472 ;; Requires root or special group + a sensible thing on the port
 473 (deftest cfget/setospeed.1
 474     (with-open-file (s "/dev/ttyS0" :direction :output :if-exists :append)
 475       (let* ((termios (sb-posix:tcgetattr s))
 476              (old (sb-posix:cfgetospeed termios))
 477              (new (if (= old sb-posix:b2400)
 478                       sb-posix:b9600
 479                       sb-posix:b2400)))
 480         (sb-posix:cfsetospeed new termios)
 481         (sb-posix:tcsetattr 0 sb-posix:tcsadrain termios)
 482         (setf termios (sb-posix:tcgetattr 0))
 483         (= new (sb-posix:cfgetospeed termios))))
 484   t)
 485
 486
 487 #-win32
 488 (deftest time.1
 489     (plusp (sb-posix:time))
 490   t)
 491
 492 #-win32
 493 (deftest utimes.1
 494     (let ((file (merge-pathnames #p"utimes.1" *test-directory*))
 495           (atime (random (1- (expt 2 31))))
 496           (mtime (random (1- (expt 2 31)))))
 497       (with-open-file (stream file
 498                        :direction :output
 499                        :if-exists :supersede
 500                        :if-does-not-exist :create)
 501         (princ "Hello, utimes" stream))
 502       (sb-posix:utime file atime mtime)
 503       (let* ((stat (sb-posix:stat file)))
 504         (delete-file file)
 505         (list (= (sb-posix:stat-atime stat) atime)
 506               (= (sb-posix:stat-mtime stat) mtime))))
 507   (t t))
 508 \f
 509 ;; readlink tests.
 510 #-win32
 511 (progn
 512   (deftest readlink.1
 513       (let ((link-pathname (make-pathname :name "readlink.1"
 514                                           :defaults *test-directory*)))
 515         (sb-posix:symlink "/" link-pathname)
 516         (unwind-protect
 517              (sb-posix:readlink link-pathname)
 518           (ignore-errors (sb-posix:unlink link-pathname))))
 519     "/")
 520
 521   ;; Same thing, but with a very long link target (which doesn't have
 522   ;; to exist).  This tests the array adjustment in the wrapper,
 523   ;; provided that the target's length is long enough.
 524   (deftest readlink.2
 525       (let ((target-pathname (make-pathname
 526                               :name (make-string 255 :initial-element #\a)
 527                               :directory '(:absolute)))
 528             (link-pathname (make-pathname :name "readlink.2"
 529                                           :defaults *test-directory*)))
 530         (sb-posix:symlink target-pathname link-pathname)
 531         (unwind-protect
 532              (sb-posix:readlink link-pathname)
 533           (ignore-errors (sb-posix:unlink link-pathname))))
 534     #.(concatenate 'string "/" (make-string 255 :initial-element #\a)))
 535
 536   ;; The error tests are in the order of exposition from SUSv3.
 537   (deftest readlink.error.1
 538       (let* ((subdir-pathname (merge-pathnames
 539                                (make-pathname
 540                                 :directory '(:relative "readlink.error.1"))
 541                                *test-directory*))
 542              (link-pathname (make-pathname :name "readlink.error.1"
 543                                            :defaults subdir-pathname)))
 544         (sb-posix:mkdir subdir-pathname #o777)
 545         (sb-posix:symlink "/" link-pathname)
 546         (sb-posix:chmod subdir-pathname 0)
 547         (unwind-protect
 548              (handler-case (sb-posix:readlink link-pathname)
 549                (sb-posix:syscall-error (c)
 550                  (sb-posix:syscall-errno c)))
 551           (ignore-errors
 552             (sb-posix:chmod subdir-pathname #o777)
 553             (sb-posix:unlink link-pathname)
 554             (sb-posix:rmdir subdir-pathname))))
 555     #.sb-posix:eacces)
 556   (deftest readlink.error.2
 557       (let* ((non-link-pathname (make-pathname :name "readlink.error.2"
 558                                                :defaults *test-directory*))
 559              (fd (sb-posix:open non-link-pathname sb-posix::o-creat)))
 560         (unwind-protect
 561              (handler-case (sb-posix:readlink non-link-pathname)
 562                (sb-posix:syscall-error (c)
 563                  (sb-posix:syscall-errno c)))
 564           (ignore-errors
 565             (sb-posix:close fd)
 566             (sb-posix:unlink non-link-pathname))))
 567     #.sb-posix:einval)
 568   ;; Skipping EIO, ELOOP
 569   (deftest readlink.error.3
 570       (let* ((link-pathname (make-pathname :name "readlink.error.3"
 571                                            :defaults *test-directory*))
 572              (bogus-pathname (merge-pathnames
 573                               (make-pathname
 574                                :name "bogus"
 575                                :directory '(:relative "readlink.error.3"))
 576                                *test-directory*)))
 577         (sb-posix:symlink link-pathname link-pathname)
 578         (unwind-protect
 579              (handler-case (sb-posix:readlink bogus-pathname)
 580                (sb-posix:syscall-error (c)
 581                  (sb-posix:syscall-errno c)))
 582           (ignore-errors (sb-posix:unlink link-pathname))))
 583     #.sb-posix:eloop)
 584   ;; Note: PATH_MAX and NAME_MAX need not be defined, and may vary, so
 585   ;; failure of this test is not too meaningful.
 586   (deftest readlink.error.4
 587       (let ((pathname
 588              (make-pathname :name (make-string 257 ;NAME_MAX plus some, maybe
 589                                                :initial-element #\a))))
 590         (handler-case (sb-posix:readlink pathname)
 591           (sb-posix:syscall-error (c)
 592             (sb-posix:syscall-errno c))))
 593     #.sb-posix:enametoolong)
 594   (deftest readlink.error.5
 595       (let ((string (format nil "~v{/A~}" 2049 ;PATH_MAX/2 plus some, maybe
 596                                           '(x))))
 597         (handler-case (sb-posix:readlink string)
 598           (sb-posix:syscall-error (c)
 599             (sb-posix:syscall-errno c))))
 600     #.sb-posix:enametoolong)
 601     (deftest readlink.error.6
 602       (let ((no-such-pathname (make-pathname :name "readlink.error.6"
 603                                              :defaults *test-directory*)))
 604         (handler-case (sb-posix:readlink no-such-pathname)
 605           (sb-posix:syscall-error (c)
 606             (sb-posix:syscall-errno c))))
 607     #.sb-posix:enoent)
 608   (deftest readlink.error.7
 609       (let* ((non-link-pathname (make-pathname :name "readlink.error.7"
 610                                                :defaults *test-directory*))
 611              (impossible-pathname (merge-pathnames
 612                                    (make-pathname
 613                                     :directory
 614                                     '(:relative "readlink.error.7")
 615                                     :name "readlink.error.7")
 616                                    *test-directory*))
 617              (fd (sb-posix:open non-link-pathname sb-posix::o-creat)))
 618         (unwind-protect
 619              (handler-case (sb-posix:readlink impossible-pathname)
 620                (sb-posix:syscall-error (c)
 621                  (sb-posix:syscall-errno c)))
 622           (ignore-errors
 623             (sb-posix:close fd)
 624             (sb-posix:unlink non-link-pathname))))
 625     #.sb-posix:enotdir)
 626   )
 627
 628 (deftest getcwd.1
 629     ;; FIXME: something saner, please
 630     (equal (sb-unix::posix-getcwd) (sb-posix:getcwd))
 631   t)