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;;;; srfi-6.test --- test suite for SRFI-6 -*- scheme -*-
;;;;
;;;; Copyright (C) 2003, 2006, 2012 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 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
(use-modules (test-suite lib))
;; use #:select to see that the bindings we expect are indeed exported
(use-modules ((srfi srfi-6)
#:select ((open-input-string . open-input-string)
(open-output-string . open-output-string)
(get-output-string . get-output-string))))
(with-test-prefix "open-input-string"
(pass-if "eof on empty"
(let ((port (open-input-string "")))
(eof-object? (read-char port))))
(pass-if "read-char"
(let ((port (open-input-string "xyz")))
(and (char=? #\x (read-char port))
(char=? #\y (read-char port))
(char=? #\z (read-char port))
(eof-object? (read-char port)))))
(pass-if "read-char, Unicode"
;; String ports should always be Unicode-capable.
;; See <http://bugs.gnu.org/11197>.
(with-fluids ((%default-port-encoding "ISO-8859-1"))
(let ((port (open-input-string "位渭")))
(and (char=? #\位 (read-char port))
(char=? #\渭 (read-char port))))))
(with-test-prefix "unread-char"
(pass-if "one char"
(let ((port (open-input-string "")))
(unread-char #\x port)
(and (char=? #\x (read-char port))
(eof-object? (read-char port)))))
(pass-if "after eof"
(let ((port (open-input-string "")))
(and (eof-object? (read-char port))
(begin
(unread-char #\x port)
(and (char=? #\x (read-char port))
(eof-object? (read-char port)))))))
(pass-if "order"
(let ((port (open-input-string "")))
(unread-char #\x port)
(unread-char #\y port)
(unread-char #\z port)
(and (char=? #\z (read-char port))
(char=? #\y (read-char port))
(char=? #\x (read-char port))
(eof-object? (read-char port)))))))
(with-test-prefix "open-output-string"
(pass-if "empty"
(let ((port (open-output-string)))
(string=? "" (get-output-string port))))
(pass-if "xyz"
(let ((port (open-output-string)))
(display "xyz" port)
(string=? "xyz" (get-output-string port))))
(pass-if "位"
;; Writing to an output string should always work.
;; See <http://bugs.gnu.org/11197>.
(with-fluids ((%default-port-encoding "ISO-8859-1"))
(let ((port (open-output-string)))
(display "位" port)
(string=? "位" (get-output-string port)))))
(pass-if "seek"
(let ((port (open-output-string)))
(display "abcdef" port)
(seek port 2 SEEK_SET)
(display "--" port)
(string=? "ab--ef" (get-output-string port)))))
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