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;;;; filesys.test --- test file system functions -*- scheme -*-
;;;;
;;;; Copyright (C) 2004, 2006, 2013, 2019, 2021 Free Software Foundation, Inc.
;;;; Copyright (C) 2021 Maxime Devos <[email protected]>
;;;;
;;;; 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 3 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)
#:use-module (ice-9 threads)
#:use-module (ice-9 match)
#:use-module (rnrs io ports)
#:use-module (rnrs bytevectors))
(define (test-file)
(data-file-name "filesys-test.tmp"))
(define (test-symlink)
(data-file-name "filesys-test-link.tmp"))
(define (test-directory)
(data-file-name "filesys-test-dir.tmp"))
(define (test-directory2)
(data-file-name "filesys-test-dir2.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))))))
(with-test-prefix "statat"
;; file-exists? from (ice-9 boot) dereferences symbolic links
;; (a bug?).
(define (file-exists? filename)
(catch 'system-error
(lambda () (lstat filename) #t)
(lambda args
(if (= (system-error-errno args) ENOENT)
;; For the purposes of the following tests,
;; it is safe to ignore errors like EPERM, but a correct
;; implementation would return #t for that error.
#f
(apply throw args)))))
(define (maybe-delete-directory)
(when (file-exists? (test-directory))
(for-each
(lambda (filename)
(define full-name (in-vicinity (test-directory) filename))
(when (file-exists? full-name)
(delete-file full-name)))
'("test-file" "test-symlink"))
(rmdir (test-directory))))
(define (skip-unless-defined . things)
(for-each (lambda (thing)
(unless (defined? thing)
(throw 'unsupported)))
things))
(maybe-delete-directory)
(mkdir (test-directory))
(call-with-output-file (in-vicinity (test-directory) "test-file")
(lambda (port)
(display "hello" port)))
;; Return #true if the symlink was created, #false otherwise.
(define (maybe-create-symlink)
(if (file-exists? (in-vicinity (test-directory) "test-symlink"))
#t
(false-if-exception
(symlink "test-file"
(in-vicinity (test-directory) "test-symlink")))))
(pass-if-equal "regular file" 5
(skip-unless-defined 'statat)
(call-with-port
(open (test-directory) O_RDONLY)
(lambda (port)
(stat:size (statat port "test-file")))))
(pass-if-equal "regular file, AT_SYMLINK_NOFOLLOW" 5
(skip-unless-defined 'statat 'AT_SYMLINK_NOFOLLOW)
(call-with-port
(open (test-directory) O_RDONLY)
(lambda (port)
(stat:size (statat port "test-file" AT_SYMLINK_NOFOLLOW)))))
(pass-if-equal "symbolic links are dereferenced" '(regular 5)
;; Not all systems support symlinks.
(skip-unless-defined 'statat 'symlink)
(unless (maybe-create-symlink)
(throw 'unresolved))
(call-with-port
(open (test-directory) O_RDONLY)
(lambda (port)
(define result (statat port "test-symlink"))
(list (stat:type result) (stat:size result)))))
(pass-if-equal "symbolic links are not dereferenced"
`(symlink ,(string-length "test-file"))
;; Not all systems support symlinks.
(skip-unless-defined 'statat 'symlink)
(unless (maybe-create-symlink)
(throw 'unresolved))
(call-with-port
(open (test-directory) O_RDONLY)
(lambda (port)
(define result (statat port "test-symlink" AT_SYMLINK_NOFOLLOW))
(list (stat:type result) (stat:size result)))))
(maybe-delete-directory))
(with-test-prefix "sendfile"
(let* ((file (search-path %load-path "ice-9/boot-9.scm"))
(len (stat:size (stat file)))
(ref (call-with-input-file file get-bytevector-all)))
(pass-if-equal "file" (cons len ref)
(let* ((result (call-with-input-file file
(lambda (input)
(call-with-output-file (test-file)
(lambda (output)
(sendfile output input len 0))))))
(out (call-with-input-file (test-file) get-bytevector-all)))
(cons result out)))
(pass-if-equal "file with offset"
(cons (- len 777) (call-with-input-file file
(lambda (input)
(seek input 777 SEEK_SET)
(get-bytevector-all input))))
(let* ((result (call-with-input-file file
(lambda (input)
(call-with-output-file (test-file)
(lambda (output)
(sendfile output input (- len 777) 777))))))
(out (call-with-input-file (test-file) get-bytevector-all)))
(cons result out)))
(pass-if-equal "file with offset past the end"
(cons (- len 777) (call-with-input-file file
(lambda (input)
(seek input 777 SEEK_SET)
(get-bytevector-all input))))
(let* ((result (call-with-input-file file
(lambda (input)
(call-with-output-file (test-file)
(lambda (output)
(sendfile output input len 777))))))
(out (call-with-input-file (test-file) get-bytevector-all)))
(cons result out)))
(pass-if-equal "file with offset near the end"
(cons 77 (call-with-input-file file
(lambda (input)
(seek input (- len 77) SEEK_SET)
(get-bytevector-all input))))
(let* ((result (call-with-input-file file
(lambda (input)
(call-with-output-file (test-file)
(lambda (output)
(sendfile output input len (- len 77)))))))
(out (call-with-input-file (test-file) get-bytevector-all)))
(cons result out)))
(pass-if-equal "pipe" (cons len ref)
(if (provided? 'threads)
(let* ((in+out (pipe))
(child (call-with-new-thread
(lambda ()
(call-with-input-file file
(lambda (input)
(let ((result (sendfile (cdr in+out)
(fileno input)
len 0)))
(close-port (cdr in+out))
result)))))))
(let ((out (get-bytevector-all (car in+out))))
(close-port (car in+out))
(cons (join-thread child) out)))
(throw 'unresolved)))
(pass-if-equal "pipe with offset"
(cons (- len 777) (call-with-input-file file
(lambda (input)
(seek input 777 SEEK_SET)
(get-bytevector-all input))))
(if (provided? 'threads)
(let* ((in+out (pipe))
(child (call-with-new-thread
(lambda ()
(call-with-input-file file
(lambda (input)
(let ((result (sendfile (cdr in+out)
(fileno input)
(- len 777)
777)))
(close-port (cdr in+out))
result)))))))
(let ((out (get-bytevector-all (car in+out))))
(close-port (car in+out))
(cons (join-thread child) out)))
(throw 'unresolved)))))
(with-test-prefix "basename"
(pass-if-equal "/" "/" (basename "/"))
(pass-if-equal "//" "/" (basename "//"))
(pass-if-equal "a/b/c" "c" (basename "a/b/c")))
(delete-file (test-file))
(when (file-exists? (test-symlink))
(delete-file (test-symlink)))
(with-test-prefix "mkdtemp"
(pass-if-exception "number arg" exception:wrong-type-arg
(if (not (defined? 'mkdtemp))
(throw 'unresolved)
(mkdtemp 123)))
(pass-if "template prefix is preserved"
(if (not (defined? 'mkdtemp))
(throw 'unresolved)
(let* ((template "T-XXXXXX")
(name (mkdtemp template)))
(false-if-exception (rmdir name))
(and
(string? name)
(string-contains name "T-")
(= (string-length name) 8)))))
(pass-if-exception "invalid template" exception:system-error
(if (not (defined? 'mkdtemp))
(throw 'unresolved)
(mkdtemp "T-AAAAAA")))
(pass-if "directory created"
(if (not (defined? 'mkdtemp))
(throw 'unresolved)
(let* ((template "T-XXXXXX")
(name (mkdtemp template)))
(let* ((_stat (stat name))
(result (eqv? 'directory (stat:type _stat))))
(false-if-exception (rmdir name))
result)))))
;;;
;;; chmodat
;;;
(with-test-prefix "chmodat"
(call-with-output-file (test-file) (const #f))
(chmod (test-file) #o000)
(pass-if-equal "regular file"
#o300
(unless (defined? 'chmodat)
(throw 'unsupported))
(call-with-port
(open (dirname (test-file)) O_RDONLY)
(lambda (port)
(chmodat port (test-file) #o300)))
(stat:perms (stat (test-file))))
(chmod (test-file) #o000)
(pass-if-equal "regular file, AT_SYMLINK_NOFOLLOW"
#o300
(unless (and (defined? 'chmodat)
(defined? 'AT_SYMLINK_NOFOLLOW))
(throw 'unsupported))
(call-with-port
(open (dirname (test-file)) O_RDONLY)
(lambda (port)
(catch 'system-error
(lambda ()
(chmodat port (basename (test-file)) #o300 AT_SYMLINK_NOFOLLOW))
(lambda args
(close-port port)
;; AT_SYMLINK_NOFOLLOW is not supported on Linux (at least Linux
;; 5.11.2 with the btrfs file system), even for regular files.
(if (= ENOTSUP (system-error-errno args))
(begin
(display "fchmodat doesn't support AT_SYMLINK_NOFOLLOW\n")
(throw 'unresolved))
(apply throw args))))))
(stat:perms (stat (test-file))))
(pass-if-exception "not a port" exception:wrong-type-arg
(chmodat "bogus" (test-file) #o300))
(pass-if-exception "not a file port" exception:wrong-type-arg
(chmodat (open-input-string "") (test-file) #o300))
(pass-if-exception "closed port" exception:wrong-type-arg
(chmodat (call-with-port (open "." O_RDONLY) identity) (test-file) #o300))
(delete-file (test-file)))
(with-test-prefix "chdir"
(pass-if-equal "current directory" (getcwd)
(begin (chdir ".") (getcwd)))
(define file (search-path %load-path "ice-9/boot-9.scm"))
(pass-if-equal "test directory" (dirname file)
(let ((olddir (getcwd))
(dir #f))
(chdir (dirname file))
(set! dir (getcwd))
(chdir olddir)
dir))
(pass-if-equal "test directory, via port" (dirname file)
(unless (provided? 'chdir-port)
(throw 'unresolved))
(let ((olddir (getcwd))
(port (open (dirname file) O_RDONLY))
(dir #f))
(chdir port)
(set! dir (getcwd))
(chdir olddir)
dir))
(pass-if-exception "closed port" exception:wrong-type-arg
(unless (provided? 'chdir-port)
(throw 'unresolved))
(let ((port (open (dirname file) O_RDONLY))
(olddir (getcwd)))
(close-port port)
(chdir port)
(chdir olddir))) ; should not be reached
(pass-if-exception "not a port or file name" exception:wrong-type-arg
(chdir '(stuff)))
(pass-if-exception "non-file port" exception:wrong-type-arg
(chdir (open-input-string ""))))
(with-test-prefix "readlink"
(false-if-exception (delete-file (test-symlink)))
(false-if-exception (delete-file (test-file)))
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(if (not (false-if-exception
(begin (symlink (test-file) (test-symlink)) #t)))
(display "cannot create symlink, some readlink tests skipped\n")
(let ()
(pass-if-equal "file name of symlink" (test-file)
(readlink (test-symlink)))
(pass-if-equal "port representing a symlink" (test-file)
(let ()
(unless (and (provided? 'readlink-port)
(defined? 'O_NOFOLLOW)
(defined? 'O_PATH)
(not (= 0 O_NOFOLLOW))
(not (= 0 O_PATH)))
(throw 'unsupported))
(define port (open (test-symlink) (logior O_NOFOLLOW O_PATH)))
(define points-to (false-if-exception (readlink port)))
(close-port port)
points-to))
(pass-if-exception "not a port or file name" exception:wrong-type-arg
(readlink '(stuff)))))
(pass-if-equal "port representing a regular file" EINVAL
(call-with-input-file (test-file)
(lambda (port)
(unless (provided? 'readlink-port)
(throw 'unsupported))
(catch 'system-error
(lambda ()
(readlink port)
(close-port port) ; should be unreachable
#f)
(lambda args
(close-port port)
;; At least Linux 5.10.46 returns ENOENT instead of EINVAL.
;; Possibly surprising, but it is documented in some man
;; pages and it doesn't appear to be an accident:
;; <https://elixir.bootlin.com/linux/v5.10.46/source/fs/stat.c#L419>.
(define error (system-error-errno args))
(if (= error ENOENT)
EINVAL
error))))))
(pass-if-exception "non-file port" exception:wrong-type-arg
(readlink (open-input-string "")))
(pass-if-exception "closed port" exception:wrong-type-arg
(let ((port (open-file (test-file) "r")))
(close-port port)
(readlink port)))
(false-if-exception (delete-file (test-symlink)))
(false-if-exception (delete-file (test-file))))
(with-test-prefix "symlinkat"
(pass-if-equal "create" (test-file)
(unless (defined? 'symlinkat)
(throw 'unsupported))
(call-with-port
(open "." O_RDONLY)
(lambda (port)
(symlinkat port (test-file) (test-symlink))
(readlink (test-symlink)))))
(false-if-exception (delete-file (test-symlink)))
(pass-if-exception "not a port" exception:wrong-type-arg
(unless (defined? 'symlinkat)
(throw 'unsupported))
(symlinkat "bogus" (test-file) (test-symlink)))
(pass-if-exception "not a file port" exception:wrong-type-arg
(unless (defined? 'symlinkat)
(throw 'unsupported))
(symlinkat (open-input-string "") (test-file) (test-symlink)))
(pass-if-exception "closed port" exception:wrong-type-arg
(unless (defined? 'symlinkat)
(throw 'unsupported))
(symlinkat (call-with-port (open "." O_RDONLY) identity)
(test-file) (test-symlink))))
(with-test-prefix "mkdirat"
(define (skip-if-unsupported)
(unless (defined? 'mkdirat)
(throw 'unsupported)))
(define (maybe-delete-directory)
(when (file-exists? (test-directory))
(rmdir (test-directory))))
(maybe-delete-directory)
(pass-if-equal "create" 'directory
(skip-if-unsupported)
(call-with-port
(open "." O_RDONLY)
(lambda (port)
(mkdirat port (test-directory))
(stat:type (stat (test-directory))))))
(maybe-delete-directory)
(pass-if-equal "explicit perms" (logand #o111 (lognot (umask)))
(skip-if-unsupported)
(call-with-port
(open "." O_RDONLY)
(lambda (port)
(mkdirat port (test-directory) #o111)
(stat:perms (stat (test-directory))))))
(maybe-delete-directory)
(pass-if-equal "create, implicit perms" (logand #o777 (lognot (umask)))
(skip-if-unsupported)
(call-with-port
(open "." O_RDONLY)
(lambda (port)
(mkdirat port (test-directory))
(stat:perms (stat (test-directory))))))
(maybe-delete-directory))
(with-test-prefix "rename-file-at"
(define (skip-if-unsupported)
(unless (defined? 'rename-file-at)
(throw 'unsupported)))
(pass-if-equal "current working directory" '(#f "hello")
(skip-if-unsupported)
;; Create a file in the test directory
(call-with-output-file "filesys-test-a.tmp"
(lambda (port) (display "hello" port)))
;; Try to rename it
(rename-file-at #f "filesys-test-a.tmp" #f "filesys-test-b.tmp")
;; Verify it exists under the new name, and not under the old name
(list (file-exists? "filesys-test-a.tmp")
(call-with-input-file "filesys-test-b.tmp" get-string-all)))
(false-if-exception (delete-file "filesys-test-a.tmp"))
(false-if-exception (delete-file "filesys-test-b.tmp"))
(pass-if-equal "two ports" '(#f "hello")
(skip-if-unsupported)
(mkdir (test-directory))
(mkdir (test-directory2))
;; Create a file in the first directory
(call-with-output-file (in-vicinity (test-directory) "a")
(lambda (port) (display "hello" port)))
(let ((port1 (open (test-directory) O_RDONLY))
(port2 (open (test-directory2) O_RDONLY)))
;; Try to rename it
(rename-file-at port1 "a" port2 "b")
(close-port port1)
(close-port port2)
;; Verify it exists under the new name, and not under the old name
(list (file-exists? (in-vicinity (test-directory) "a"))
(call-with-input-file (in-vicinity (test-directory2) "b")
get-string-all))))
(false-if-exception (delete-file (in-vicinity (test-directory) "a")))
(false-if-exception (delete-file (in-vicinity (test-directory2) "b")))
(false-if-exception (rmdir (test-directory)))
(false-if-exception (rmdir (test-directory2)))
(pass-if-equal "port and current working directory" '(#f "hello")
(skip-if-unsupported)
(mkdir (test-directory))
;; Create a file in (test-directory)
(call-with-output-file (in-vicinity (test-directory) "a")
(lambda (port) (display "hello" port)))
(let ((port (open (test-directory) O_RDONLY)))
;; Try to rename it
(rename-file-at port "a" #f (basename (test-file)))
(close-port port)
;; Verify it exists under the new name, and not under the old name.
(list (file-exists? (in-vicinity (test-directory) "a"))
(call-with-input-file (test-file) get-string-all))))
(false-if-exception (delete-file (in-vicinity (test-directory) "a")))
(false-if-exception (rmdir (test-directory)))
(false-if-exception (delete-file (test-file)))
(pass-if-equal "current working directory and port" '(#f "hello")
(skip-if-unsupported)
(mkdir (test-directory))
;; Create a file in the working directory
(call-with-output-file (test-file)
(lambda (port) (display "hello" port)))
(let ((port (open (test-directory) O_RDONLY)))
;; Try to rename it
(rename-file-at #f (basename (test-file)) port "b")
(close-port port)
;; Verify it exists under the new name, and not under the old name.
(list (file-exists? (test-file))
(call-with-input-file (in-vicinity (test-directory) "b")
get-string-all))))
(false-if-exception (delete-file (in-vicinity (test-directory) "b")))
(false-if-exception (delete-file (test-file)))
(false-if-exception (rmdir (test-directory)))
(pass-if-exception "not a file port (1)" exception:wrong-type-arg
(skip-if-unsupported)
(rename-file-at (open-input-string "") "some" #f "thing"))
(pass-if-exception "not a file port (2)" exception:wrong-type-arg
(skip-if-unsupported)
(rename-file-at #f "some" (open-input-string "") "thing"))
(pass-if-exception "closed port (1)" exception:wrong-type-arg
(skip-if-unsupported)
(rename-file-at (call-with-port (open "." O_RDONLY) identity)
"some" #f "thing"))
(pass-if-exception "closed port (2)" exception:wrong-type-arg
(skip-if-unsupported)
(rename-file-at #f "some" (call-with-port (open "." O_RDONLY) identity)
"thing"))
(pass-if-exception "not a string (1)" exception:wrong-type-arg
(skip-if-unsupported)
(rename-file-at #f 'what #f "thing"))
(pass-if-exception "not a string (2)" exception:wrong-type-arg
(skip-if-unsupported)
(rename-file-at #f "some" #f 'what)))
(with-test-prefix "delete-file-at"
(define (skip-if-unsupported)
(when (not (and (defined? 'delete-file-at)
(defined? 'AT_REMOVEDIR)))
(throw 'unsupported)))
(define (create-test-file)
(call-with-output-file (test-file) identity))
(define (create-test-directory)
(mkdir (test-directory)))
(define (delete-test-file)
(when (file-exists? (test-file))
(delete-file (test-file))))
(define (delete-test-directory)
(when (file-exists? (test-directory))
(rmdir (test-directory))))
(pass-if-equal "regular file" #f
(skip-if-unsupported)
(create-test-file)
(call-with-port
(open (dirname (test-file)) O_RDONLY)
(lambda (port)
(delete-file-at port (basename (test-file)))))
(file-exists? (test-file)))
(delete-test-file)
(pass-if-equal "regular file, explicit flags" #f
(skip-if-unsupported)
(create-test-file)
(call-with-port
(open (dirname (test-file)) O_RDONLY)
(lambda (port)
(delete-file-at port (basename (test-file)) 0)))
(file-exists? (test-file)))
(delete-test-file)
(pass-if-equal "directory, explicit flags" #f
(skip-if-unsupported)
(create-test-directory)
(call-with-port
(open (dirname (test-directory)) O_RDONLY)
(lambda (port)
(delete-file-at port (basename (test-directory)) AT_REMOVEDIR)))
(file-exists? (test-directory)))
(delete-test-directory)
(pass-if-exception "not a port" exception:wrong-type-arg
(skip-if-unsupported)
(delete-file-at 'bogus "irrelevant"))
(pass-if-exception "not a file port" exception:wrong-type-arg
(skip-if-unsupported)
(delete-file-at (open-input-string "") "irrelevant"))
(pass-if-exception "closed port" exception:wrong-type-arg
(skip-if-unsupported)
(delete-file-at (call-with-port (open "." O_RDONLY) identity)
"irrelevant")))
(with-test-prefix "openat"
(define (skip-if-unsupported)
(unless (defined? 'openat)
(throw 'unsupported)))
(define file (search-path %load-path "ice-9/boot-9.scm"))
(define (call-with-relatively-opened-file directory-arguments file-arguments
proc)
(call-with-port
(apply open directory-arguments)
(lambda (directory)
(call-with-port
(apply openat directory file-arguments)
(lambda (port)
(proc port))))))
(pass-if-equal "mode read-only" "r"
(skip-if-unsupported)
(call-with-relatively-opened-file
(list (dirname file) O_RDONLY)
(list (basename file) O_RDONLY)
(lambda (port) (port-mode port))))
(pass-if-equal "port-revealed count" 0
(skip-if-unsupported)
(call-with-relatively-opened-file
(list (dirname file) O_RDONLY)
(list (basename file) O_RDONLY)
(lambda (port) (port-revealed port))))
(when (file-exists? (test-file))
(delete-file (test-file)))
(pass-if-equal "O_CREAT/O_WRONLY" (list #t (logand (lognot (umask)) #o666) "w")
(skip-if-unsupported)
(call-with-relatively-opened-file
(list (dirname (test-file)) O_RDONLY)
(list (basename (test-file)) (logior O_WRONLY O_CREAT))
(lambda (port)
(list (file-exists? (test-file))
(stat:perms (stat (test-file)))
(port-mode port)))))
(when (file-exists? (test-file))
(delete-file (test-file)))
(pass-if-equal "O_CREAT/O_WRONLY, non-default mode"
(list #t (logand (lognot (umask)) #o700) "w")
(skip-if-unsupported)
(call-with-relatively-opened-file
(list (dirname (test-file)) O_RDONLY)
(list (basename (test-file)) (logior O_WRONLY O_CREAT) #o700)
(lambda (port)
(list (file-exists? (test-file))
(stat:perms (stat (test-file)))
(port-mode port)))))
(pass-if-exception "closed port" exception:wrong-type-arg
(skip-if-unsupported)
(openat (call-with-port (open "." O_RDONLY) identity) "." O_RDONLY))
(pass-if-exception "non-file port" exception:wrong-type-arg
(skip-if-unsupported)
(openat (open-input-string "") "." O_RDONLY))
(pass-if-exception "not a port" exception:wrong-type-arg
(skip-if-unsupported)
(openat "not a port" "." O_RDONLY))
(when (file-exists? (test-file))
(delete-file (test-file))))
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