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81 lines
3 KiB
Scheme
81 lines
3 KiB
Scheme
;;;; numbers.test --- tests guile's numbers -*- scheme -*-
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;;;; Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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;;;; the Free Software Foundation; either version 2, or (at your option)
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;;;; any later version.
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;;;;
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;;;; This program 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
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;;;; GNU General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU General Public License
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;;;; along with this software; see the file COPYING. If not, write to
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;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;;;; Boston, MA 02110-1301 USA
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;;;;
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;;;; As a special exception, the Free Software Foundation gives permission
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;;;; for additional uses of the text contained in its release of GUILE.
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;;;;
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;;;; The exception is that, if you link the GUILE library with other files
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;;;; to produce an executable, this does not by itself cause the
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;;;; resulting executable to be covered by the GNU General Public License.
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;;;; Your use of that executable is in no way restricted on account of
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;;;; linking the GUILE library code into it.
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;;;;
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;;;; This exception does not however invalidate any other reasons why
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;;;; the executable file might be covered by the GNU General Public License.
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;;;;
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;;;; This exception applies only to the code released by the
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;;;; Free Software Foundation under the name GUILE. If you copy
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;;;; code from other Free Software Foundation releases into a copy of
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;;;; GUILE, as the General Public License permits, the exception does
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;;;; not apply to the code that you add in this way. To avoid misleading
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;;;; anyone as to the status of such modified files, you must delete
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;;;; this exception notice from them.
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;;;;
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;;;; If you write modifications of your own for GUILE, it is your choice
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;;;; whether to permit this exception to apply to your modifications.
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;;;; If you do not wish that, delete this exception notice.
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;;;
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;;; htonl
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;;;
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(with-test-prefix "htonl"
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(pass-if "0" (eqv? 0 (htonl 0)))
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(pass-if-exception "-1" exception:out-of-range
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(htonl -1))
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;; prior to guile 1.6.9 and 1.8.1, systems with 64-bit longs didn't detect
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;; an overflow for values 2^32 <= x < 2^63
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(pass-if-exception "2^32" exception:out-of-range
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(htonl (ash 1 32)))
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(pass-if-exception "2^1024" exception:out-of-range
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(htonl (ash 1 1024))))
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;;;
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;;; ntohl
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;;;
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(with-test-prefix "ntohl"
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(pass-if "0" (eqv? 0 (ntohl 0)))
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(pass-if-exception "-1" exception:out-of-range
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(ntohl -1))
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;; prior to guile 1.6.9 and 1.8.1, systems with 64-bit longs didn't detect
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;; an overflow for values 2^32 <= x < 2^63
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(pass-if-exception "2^32" exception:out-of-range
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(ntohl (ash 1 32)))
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(pass-if-exception "2^1024" exception:out-of-range
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(ntohl (ash 1 1024))))
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