-;;;; ports.test --- test suite for Guile I/O ports -*- scheme -*-
+;;;; ports.test --- Guile I/O ports. -*- coding: utf-8; mode: scheme; -*-
;;;; Jim Blandy <jimb@red-bean.com> --- May 1999
;;;;
-;;;; Copyright (C) 1999, 2001, 2004, 2006 Free Software Foundation, Inc.
+;;;; Copyright (C) 1999, 2001, 2004, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
;;;;
-;;;; This program is free software; you can redistribute it and/or modify
-;;;; it under the terms of the GNU General Public License as published by
-;;;; the Free Software Foundation; either version 2, or (at your option)
-;;;; any later version.
+;;;; 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 program is distributed in the hope that it will be useful,
+;;;; 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 General Public License for more details.
+;;;; 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 General Public License
-;;;; along with this software; see the file COPYING. If not, write to
-;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;;;; Boston, MA 02110-1301 USA
+;;;; 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-ports)
:use-module (test-suite lib)
:use-module (test-suite guile-test)
:use-module (ice-9 popen)
- :use-module (ice-9 rdelim))
+ :use-module (ice-9 rdelim)
+ :use-module (rnrs bytevectors))
(define (display-line . args)
(for-each display args)
\f
;;;; Some general utilities for testing ports.
+;; Make sure we are set up for 8-bit Latin-1 data.
+(fluid-set! %default-port-encoding "ISO-8859-1")
+(for-each (lambda (p)
+ (set-port-encoding! p (fluid-ref %default-port-encoding)))
+ (list (current-input-port) (current-output-port)
+ (current-error-port)))
+
;;; Read from PORT until EOF, and return the result as a string.
(define (read-all port)
(let loop ((chars '()))
(string=? line test-string)))
(delete-file filename))
+;;; read-line should use the port encoding (not the locale encoding).
+(let ((str "ĉu bone?"))
+ (with-locale "C"
+ (let* ((filename (test-file))
+ (port (open-file filename "wl")))
+ (set-port-encoding! port "UTF-8")
+ (write-line str port)
+ (let ((in-port (open-input-file filename)))
+ (set-port-encoding! in-port "UTF-8")
+ (let ((line (read-line in-port)))
+ (close-port in-port)
+ (close-port port)
+ (pass-if "file: read-line honors port encoding"
+ (string=? line str))))
+ (delete-file filename))))
+
+;;; binary mode ignores port encoding
+(pass-if "file: binary mode ignores port encoding"
+ (with-fluids ((%default-port-encoding "UTF-8"))
+ (let* ((filename (test-file))
+ (port (open-file filename "w"))
+ (test-string "一二三")
+ (binary-test-string
+ (apply string
+ (map integer->char
+ (uniform-vector->list
+ (string->utf8 test-string))))))
+ (write-line test-string port)
+ (close-port port)
+ (let* ((in-port (open-file filename "rb"))
+ (line (read-line in-port)))
+ (close-port in-port)
+ (delete-file filename)
+ (string=? line binary-test-string)))))
+
+;;; binary mode ignores file coding declaration
+(pass-if "file: binary mode ignores file coding declaration"
+ (with-fluids ((%default-port-encoding "UTF-8"))
+ (let* ((filename (test-file))
+ (port (open-file filename "w"))
+ (test-string "一二三")
+ (binary-test-string
+ (apply string
+ (map integer->char
+ (uniform-vector->list
+ (string->utf8 test-string))))))
+ (write-line ";; coding: utf-8" port)
+ (write-line test-string port)
+ (close-port port)
+ (let* ((in-port (open-file filename "rb"))
+ (line1 (read-line in-port))
+ (line2 (read-line in-port)))
+ (close-port in-port)
+ (delete-file filename)
+ (string=? line2 binary-test-string)))))
+
+;; open-file honors file coding declarations
+(pass-if "file: open-file honors coding declarations"
+ (with-fluids ((%default-port-encoding "UTF-8"))
+ (let* ((filename (test-file))
+ (port (open-output-file filename))
+ (test-string "€100"))
+ (set-port-encoding! port "ISO-8859-15")
+ (write-line ";; coding: iso-8859-15" port)
+ (write-line test-string port)
+ (close-port port)
+ (let* ((in-port (open-input-file filename))
+ (line1 (read-line in-port))
+ (line2 (read-line in-port)))
+ (close-port in-port)
+ (delete-file filename)
+ (string=? line2 test-string)))))
+
;;; ungetting characters and strings.
(with-input-from-string "walk on the moon\nmoon"
(lambda ()
(string-set! text 0 #\a)
(string-set! text (- len 1) #\b)
(pass-if "output check"
- (string=? text result))))
+ (string=? text result)))
+
+ (pass-if "%default-port-encoding is honored"
+ (let ((encodings '("UTF-8" "UTF-16" "ISO-8859-1" "ISO-8859-3")))
+ (equal? (map (lambda (e)
+ (with-fluids ((%default-port-encoding e))
+ (call-with-output-string
+ (lambda (p)
+ (display (port-encoding p) p)))))
+ encodings)
+ encodings)))
+
+ (pass-if "suitable encoding [latin-1]"
+ (let ((str "hello, world"))
+ (with-fluids ((%default-port-encoding "ISO-8859-1"))
+ (equal? str
+ (with-output-to-string
+ (lambda ()
+ (display str)))))))
+
+ (pass-if "suitable encoding [latin-3]"
+ (let ((str "ĉu bone?"))
+ (with-fluids ((%default-port-encoding "ISO-8859-3"))
+ (equal? str
+ (with-output-to-string
+ (lambda ()
+ (display str)))))))
+
+ (pass-if "wrong encoding"
+ (let ((str "ĉu bone?"))
+ (catch 'encoding-error
+ (lambda ()
+ ;; Latin-1 cannot represent ‘ĉ’.
+ (with-fluids ((%default-port-encoding "ISO-8859-1"))
+ (with-output-to-string
+ (lambda ()
+ (display str)))))
+ (lambda (key subr message errno from to faulty-str)
+ (and (eq? faulty-str str)
+ (string=? from "UTF-32")
+ (string=? to "ISO-8859-1")
+ (string? (strerror errno))))))))
(with-test-prefix "call-with-output-string"
(while (not (eof-object? (read-char port))))
(= 8 (port-column port))))))
+(with-test-prefix "port-line"
+
+ ;; in guile 1.8.1 and earlier port-line was truncated to an int, whereas
+ ;; scm_t_port actually holds a long; this restricted the range on 64-bit
+ ;; systems
+ (pass-if "set most-positive-fixnum/2"
+ (let ((n (quotient most-positive-fixnum 2))
+ (port (open-output-string)))
+ (set-port-line! port n)
+ (eqv? n (port-line port)))))
+
+;;;
+;;; port-for-each
+;;;
+
+(with-test-prefix "port-for-each"
+
+ ;; In guile 1.8.0 through 1.8.2, port-for-each could pass a freed cell to
+ ;; its iterator func if a port was inaccessible in the last gc mark but
+ ;; the lazy sweeping has not yet reached it to remove it from the port
+ ;; table (scm_i_port_table). Provoking those gc conditions is a little
+ ;; tricky, but the following code made it happen in 1.8.2.
+ (pass-if "passing freed cell"
+ (let ((lst '()))
+ ;; clear out the heap
+ (gc) (gc) (gc)
+ ;; allocate cells so the opened ports aren't at the start of the heap
+ (make-list 1000)
+ (open-input-file "/dev/null")
+ (make-list 1000)
+ (open-input-file "/dev/null")
+ ;; this gc leaves the above ports unmarked, ie. inaccessible
+ (gc)
+ ;; but they're still in the port table, so this sees them
+ (port-for-each (lambda (port)
+ (set! lst (cons port lst))))
+ ;; this forces completion of the sweeping
+ (gc) (gc) (gc)
+ ;; and (if the bug is present) the cells accumulated in LST are now
+ ;; freed cells, which give #f from `port?'
+ (not (memq #f (map port? lst))))))
+
+(with-test-prefix
+ "fdes->port"
+ (pass-if "fdes->ports finds port"
+ (let ((port (open-file (test-file) "w")))
+
+ (not (not (memq port (fdes->ports (port->fdes port))))))))
+
;;;
;;; seek
;;;