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Partly addresses <http://bugs.gnu.org/11197>. Reported by Klaus Stehle <klaus.stehle@uni-tuebingen.de>. * module/srfi/srfi-6.scm (open-input-string, open-output-string): New procedures. * test-suite/tests/srfi-6.test ("open-input-string")["read-char, Unicode"]: New test. ("open-output-string")["λ"]: New test.
100 lines
3.3 KiB
Scheme
100 lines
3.3 KiB
Scheme
;;;; srfi-6.test --- test suite for SRFI-6 -*- scheme -*-
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;;;;
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;;;; Copyright (C) 2003, 2006, 2012 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(use-modules (test-suite lib))
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;; use #:select to see that the bindings we expect are indeed exported
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(use-modules ((srfi srfi-6)
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#:select ((open-input-string . open-input-string)
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(open-output-string . open-output-string)
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(get-output-string . get-output-string))))
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(with-test-prefix "open-input-string"
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(pass-if "eof on empty"
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(let ((port (open-input-string "")))
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(eof-object? (read-char port))))
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(pass-if "read-char"
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(let ((port (open-input-string "xyz")))
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(and (char=? #\x (read-char port))
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(char=? #\y (read-char port))
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(char=? #\z (read-char port))
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(eof-object? (read-char port)))))
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(pass-if "read-char, Unicode"
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;; String ports should always be Unicode-capable.
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;; See <http://bugs.gnu.org/11197>.
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(with-fluids ((%default-port-encoding "ISO-8859-1"))
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(let ((port (open-input-string "λμ")))
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(and (char=? #\λ (read-char port))
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(char=? #\μ (read-char port))))))
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(with-test-prefix "unread-char"
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(pass-if "one char"
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(let ((port (open-input-string "")))
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(unread-char #\x port)
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(and (char=? #\x (read-char port))
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(eof-object? (read-char port)))))
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(pass-if "after eof"
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(let ((port (open-input-string "")))
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(and (eof-object? (read-char port))
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(begin
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(unread-char #\x port)
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(and (char=? #\x (read-char port))
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(eof-object? (read-char port)))))))
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(pass-if "order"
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(let ((port (open-input-string "")))
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(unread-char #\x port)
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(unread-char #\y port)
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(unread-char #\z port)
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(and (char=? #\z (read-char port))
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(char=? #\y (read-char port))
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(char=? #\x (read-char port))
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(eof-object? (read-char port)))))))
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(with-test-prefix "open-output-string"
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(pass-if "empty"
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(let ((port (open-output-string)))
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(string=? "" (get-output-string port))))
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(pass-if "xyz"
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(let ((port (open-output-string)))
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(display "xyz" port)
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(string=? "xyz" (get-output-string port))))
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(pass-if "λ"
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;; Writing to an output string should always work.
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;; See <http://bugs.gnu.org/11197>.
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(with-fluids ((%default-port-encoding "ISO-8859-1"))
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(let ((port (open-output-string)))
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(display "λ" port)
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(string=? "λ" (get-output-string port)))))
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(pass-if "seek"
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(let ((port (open-output-string)))
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(display "abcdef" port)
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(seek port 2 SEEK_SET)
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(display "--" port)
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(string=? "ab--ef" (get-output-string port)))))
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