test-suite/tests/srfi-6.test

   1 ;;;; srfi-6.test --- test suite for SRFI-6   -*- scheme -*-
   2 ;;;;
   3 ;;;;    Copyright (C) 2003, 2006 Free Software Foundation, Inc.
   4 ;;;;
   5 ;;;; This program is free software; you can redistribute it and/or modify
   6 ;;;; it under the terms of the GNU General Public License as published by
   7 ;;;; the Free Software Foundation; either version 2, or (at your option)
   8 ;;;; any later version.
   9 ;;;;
  10 ;;;; This program is distributed in the hope that it will be useful,
  11 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ;;;; GNU General Public License for more details.
  14 ;;;;
  15 ;;;; You should have received a copy of the GNU General Public License
  16 ;;;; along with this software; see the file COPYING.  If not, write to
  17 ;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18 ;;;; Boston, MA 02110-1301 USA
  19
  20 (use-modules (test-suite lib))
  21
  22 ;; use #:select to see that the bindings we expect are indeed exported
  23 (use-modules ((srfi srfi-6)
  24               #:select ((open-input-string  . open-input-string)
  25                         (open-output-string . open-output-string)
  26                         (get-output-string  . get-output-string))))
  27
  28
  29 (with-test-prefix "open-input-string"
  30
  31   (pass-if "eof on empty"
  32     (let ((port (open-input-string "")))
  33       (eof-object? (read-char port))))
  34
  35   (pass-if "read-char"
  36     (let ((port (open-input-string "xyz")))
  37       (and (char=? #\x (read-char port))
  38            (char=? #\y (read-char port))
  39            (char=? #\z (read-char port))
  40            (eof-object? (read-char port)))))
  41
  42   (with-test-prefix "unread-char"
  43
  44     (pass-if "one char"
  45       (let ((port (open-input-string "")))
  46         (unread-char #\x port)
  47         (and (char=? #\x (read-char port))
  48              (eof-object? (read-char port)))))
  49
  50     (pass-if "after eof"
  51       (let ((port (open-input-string "")))
  52         (and (eof-object? (read-char port))
  53              (begin
  54                (unread-char #\x port)
  55                (and (char=? #\x (read-char port))
  56                     (eof-object? (read-char port)))))))
  57
  58     (pass-if "order"
  59       (let ((port (open-input-string "")))
  60         (unread-char #\x port)
  61         (unread-char #\y port)
  62         (unread-char #\z port)
  63         (and (char=? #\z (read-char port))
  64              (char=? #\y (read-char port))
  65              (char=? #\x (read-char port))
  66              (eof-object? (read-char port)))))))
  67
  68
  69 (with-test-prefix "open-output-string"
  70
  71   (pass-if "empty"
  72     (let ((port (open-output-string)))
  73       (string=? "" (get-output-string port))))
  74
  75   (pass-if "xyz"
  76     (let ((port (open-output-string)))
  77       (display "xyz" port)
  78       (string=? "xyz" (get-output-string port))))
  79
  80   (pass-if "seek"
  81     (let ((port (open-output-string)))
  82       (display "abcdef" port)
  83       (seek port 2 SEEK_SET)
  84       (display "--" port)
  85       (string=? "ab--ef" (get-output-string port)))))