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109 lines
3.6 KiB
Scheme
109 lines
3.6 KiB
Scheme
;;;; time.test --- test suite for Guile's time functions -*- scheme -*-
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;;;; Jim Blandy <jimb@red-bean.com> --- June 1999
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;;;;
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;;;; Copyright (C) 1999, 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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(use-modules (test-suite lib)
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(ice-9 regex))
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;;;
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;;; strftime
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;;;
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(with-test-prefix "strftime"
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;; Note we must force isdst to get the ZOW zone name out of %Z on HP-UX.
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;; If localtime is in daylight savings then it will decide there's no
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;; daylight savings zone name for the fake ZOW, and come back empty.
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;;
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;; This test is disabled because on NetBSD %Z doesn't look at the tm_zone
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;; field in struct tm passed by guile. That behaviour is reasonable
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;; enough since that field is not in C99 so a C99 program won't know it
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;; has to be set. For the details on that see
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;;
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;; http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=21722
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;;
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;; Not sure what to do about this in guile, it'd be nice for %Z to look at
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;; tm:zone everywhere.
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;;
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;;
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;; (pass-if "strftime %Z doesn't return garbage"
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;; (let ((t (localtime (current-time))))
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;; (set-tm:zone t "ZOW")
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;; (set-tm:isdst t 0)
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;; (string=? (strftime "%Z" t)
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;; "ZOW")))
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(with-test-prefix "C99 %z format"
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;; C99 spec is empty string if no zone determinable
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;;
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;; on pre-C99 systems not sure what to expect if %z unsupported, probably
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;; "%z" unchanged in C99 if timezone
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;;
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(define have-strftime-%z
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(not (member (strftime "%z" (gmtime 0))
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'("" "%z"))))
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;; %z here is quite possibly affected by the same tm:gmtoff vs current
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;; zone as %Z above is, so in the following tests we make them the same.
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(pass-if "GMT"
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(or have-strftime-%z (throw 'unsupported))
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(putenv "TZ=GMT+0")
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(tzset)
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(let ((tm (localtime 86400)))
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(string=? "+0000" (strftime "%z" tm))))
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;; prior to guile 1.6.9 and 1.8.1 this test failed, getting "+0500",
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;; because we didn't adjust for tm:gmtoff being west of Greenwich versus
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;; tm_gmtoff being east of Greenwich
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(pass-if "EST+5"
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(or have-strftime-%z (throw 'unsupported))
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(putenv "TZ=EST+5")
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(tzset)
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(let ((tm (localtime 86400)))
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(string=? "-0500" (strftime "%z" tm))))))
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;;;
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;;; strptime
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;;;
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(with-test-prefix "strptime"
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(with-test-prefix "GNU %s format"
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;; "%s" to parse a count of seconds since 1970 is a GNU extension
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(define have-strptime-%s
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(false-if-exception (strptime "%s" "0")))
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(pass-if "gmtoff on GMT"
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(or have-strptime-%s (throw 'unsupported))
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(putenv "TZ=GMT+0")
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(tzset)
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(let ((tm (car (strptime "%s" "86400"))))
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(eqv? 0 (tm:gmtoff tm))))
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;; prior to guile 1.6.9 and 1.8.1 we didn't pass tm_gmtoff back from
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;; strptime
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(pass-if "gmtoff on EST+5"
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(or have-strptime-%s (throw 'unsupported))
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(putenv "TZ=EST+5")
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(tzset)
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(let ((tm (car (strptime "%s" "86400"))))
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(eqv? (* 5 3600) (tm:gmtoff tm))))))
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