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|
;;;; srfi-19.test --- test suite for SRFI-19 -*- scheme -*-
;;;; Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> --- June 2001
;;;;
;;;; Copyright (C) 2001, 2003-2008, 2011, 2014, 2017, 2018
;;;; 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
;; SRFI-19 overrides current-date, so we have to do the test in a
;; separate module, or later tests will fail.
(define-module (test-suite test-srfi-19)
#:duplicates (last) ;; avoid warning about srfi-19 replacing `current-time'
#:use-module (test-suite lib)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-19)
#:use-module (ice-9 format))
;; Make sure we use the default locale.
(when (defined? 'setlocale)
(setlocale LC_ALL "C"))
(define (with-tz* tz thunk)
"Temporarily set the TZ environment variable to the passed string
value and call THUNK."
(let ((old-tz #f))
(dynamic-wind
(lambda ()
(set! old-tz (getenv "TZ"))
(putenv (format #f "TZ=~A" tz)))
thunk
(lambda ()
(if old-tz
(putenv (format #f "TZ=~A" old-tz))
(putenv "TZ"))))))
(defmacro with-tz (tz . body)
`(with-tz* ,tz (lambda () ,@body)))
(define (test-integral-time-structure date->time)
"Test whether the given DATE->TIME procedure creates a time
structure with integral seconds. (The seconds shall be maintained as
integers, or precision may go away silently. The SRFI-19 reference
implementation was not OK for Guile in this respect because of Guile's
incomplete numerical tower implementation.)"
(pass-if (format #f "~A makes integer seconds"
date->time)
(exact? (time-second
(date->time (make-date 0 0 0 12 1 6 2001 0))))))
(define (test-time->date time->date date->time)
(pass-if (format #f "~A works"
time->date)
(begin
(time->date (date->time (make-date 0 0 0 12 1 6 2001 0)))
#t)))
(define (test-dst time->date date->time)
(pass-if (format #f "~A respects local DST if no TZ-OFFSET given"
time->date)
(let ((time (date->time (make-date 0 0 0 12 1 6 2001 0))))
;; on 2001-06-01, there should be 4 hours zone offset
;; between EST (EDT) and GMT
(= (date-zone-offset
(with-tz "EST5EDT"
(time->date time)))
-14400))))
(define-macro (test-time-conversion a b)
(let* ((a->b-sym (symbol-append a '-> b))
(b->a-sym (symbol-append b '-> a)))
`(pass-if (format #f "~A and ~A work and are inverses of each other"
',a->b-sym ',b->a-sym)
(let ((time (make-time ,a 12345 67890123)))
(time=? time (,b->a-sym (,a->b-sym time)))))))
(define (test-time-comparison cmp a b)
(pass-if (format #f "~A works" cmp)
(cmp a b)))
(define (test-time-arithmetic op a b res)
(pass-if (format #f "~A works" op)
(time=? (op a b) res)))
;; return true if time objects X and Y are equal
(define (time-equal? x y)
(and (eq? (time-type x) (time-type y))
(eqv? (time-second x) (time-second y))
(eqv? (time-nanosecond x) (time-nanosecond y))))
(with-test-prefix "SRFI date/time library"
;; check for typos and silly errors
(pass-if "date-zone-offset is defined"
(and (defined? 'date-zone-offset)
date-zone-offset
#t))
(pass-if "add-duration is defined"
(and (defined? 'add-duration)
add-duration
#t))
(pass-if "(current-time time-tai) works"
(time? (current-time time-tai)))
(pass-if "(current-time time-process) works"
(time? (current-time time-process)))
(test-time-conversion time-utc time-tai)
(test-time-conversion time-utc time-monotonic)
(test-time-conversion time-tai time-monotonic)
(pass-if "string->date works"
(begin (string->date "2001-06-01@14:00" "~Y-~m-~d@~H:~M")
#t))
;; check for code paths where reals were passed to quotient, which
;; doesn't work in Guile (and is unspecified in R5RS)
(test-time->date time-utc->date date->time-utc)
(test-time->date time-tai->date date->time-tai)
(test-time->date time-monotonic->date date->time-monotonic)
(pass-if "Fractional nanoseconds are handled"
(begin (make-time time-duration 1000000000.5 0) #t))
;; the seconds in a time shall be maintained as integers, or
;; precision may silently go away
(test-integral-time-structure date->time-utc)
(test-integral-time-structure date->time-tai)
(test-integral-time-structure date->time-monotonic)
;; check for DST and zone related problems
(pass-if "date->time-utc is the inverse of time-utc->date"
(let ((time (date->time-utc
(make-date 0 0 0 14 1 6 2001 7200))))
(time=? time
(date->time-utc (time-utc->date time 7200)))))
(test-dst time-utc->date date->time-utc)
(test-dst time-tai->date date->time-tai)
(test-dst time-monotonic->date date->time-monotonic)
(test-dst julian-day->date date->julian-day)
(test-dst modified-julian-day->date date->modified-julian-day)
(pass-if "`date->julian-day' honors timezone"
(let ((now (current-date -14400)))
(time=? (date->time-utc (julian-day->date (date->julian-day now)))
(date->time-utc now))))
(pass-if "string->date respects local DST if no time zone is read"
(time=? (date->time-utc
(with-tz "EST5EDT"
(string->date "2001-06-01@08:00" "~Y-~m-~d@~H:~M")))
(date->time-utc
(make-date 0 0 0 12 1 6 2001 0))))
(pass-if "string->date understands days and months"
(time=? (let ((d (string->date "Saturday, December 9, 2006"
"~A, ~B ~d, ~Y")))
(date->time-utc (make-date (date-nanosecond d)
(date-second d)
(date-minute d)
(date-hour d)
(date-day d)
(date-month d)
(date-year d)
0)))
(date->time-utc
(make-date 0 0 0 0 9 12 2006 0))))
(pass-if "string->date works on Sunday"
;; `string->date' never rests!
(let* ((str "Sun, 05 Jun 2005 18:33:00 +0200")
(date (string->date str "~a, ~d ~b ~Y ~H:~M:~S ~z")))
(equal? "Sun Jun 05 18:33:00+0200 2005"
(date->string date))))
(pass-if "string->date understands nanoseconds (1)"
(let ((date (string->date "2018-12-10 10:53:24.189"
"~Y-~m-~d ~H:~M:~S.~N")))
(time=? (date->time-utc date)
(date->time-utc (make-date 189000000 24 53 10 10 12 2018
(date-zone-offset date))))))
(pass-if "string->date understands nanoseconds (2)"
(let ((date (string->date "2018-12-10 10:53:24.189654321"
"~Y-~m-~d ~H:~M:~S.~N")))
(time=? (date->time-utc date)
(date->time-utc (make-date 189654321 24 53 10 10 12 2018
(date-zone-offset date))))))
(pass-if "date->string pads small nanoseconds values correctly"
(let* ((date (make-date 99999999 5 34 12 26 3 2017 0)))
(equal? "099999999"
(date->string date "~N"))))
(pass-if "date->string ~f without leading zeroes"
(let ((date (make-date 200000000 5 34 12 26 3 2017 0)))
(equal? "5.2" (date->string date "~f"))))
(pass-if "date->string ~f proper fractional part"
(let ((date (make-date 550000 56 34 12 26 3 2017 0)))
(equal? "56.00055" (date->string date "~f"))))
;; check time comparison procedures
(let* ((time1 (make-time time-monotonic 0 0))
(time2 (make-time time-monotonic 0 0))
(time3 (make-time time-monotonic 385907 998360432))
(time4 (make-time time-monotonic 385907 998360432)))
(test-time-comparison time<=? time1 time3)
(test-time-comparison time<? time1 time3)
(test-time-comparison time=? time1 time2)
(test-time-comparison time>=? time3 time3)
(test-time-comparison time>? time3 time2))
;; check time arithmetic procedures
(let* ((time1 (make-time time-monotonic 0 0))
(time2 (make-time time-monotonic 385907 998360432))
(diff (time-difference time2 time1)))
(test-time-arithmetic add-duration time1 diff time2)
(test-time-arithmetic subtract-duration time2 diff time1))
(with-test-prefix "nanosecond normalization"
(pass-if "small positive duration"
(time-equal? (make-time time-duration 999999000 0)
(time-difference (make-time time-tai 0 1) (make-time time-tai 1000 0))))
(pass-if "small negative duration"
(time-equal? (make-time time-duration -999999000 0)
(time-difference (make-time time-tai 1000 0) (make-time time-tai 0 1)))))
(with-test-prefix "date->time-tai"
;; leap second 1 Jan 1999, 1 second of UTC in make-date is out as 2
;; seconds of TAI in date->time-tai
(pass-if "31dec98 23:59:59"
(time-equal? (make-time time-tai 0 915148830)
(date->time-tai (make-date 0 59 59 23 31 12 1998 0))))
(pass-if "31dec98 23:59:60"
(time-equal? (make-time time-tai 0 915148831)
(date->time-tai (make-date 0 60 59 23 31 12 1998 0))))
(pass-if "1jan99 0:00:00"
(time-equal? (make-time time-tai 0 915148832)
(date->time-tai (make-date 0 0 0 0 1 1 1999 0))))
;; leap second 1 Jan 2006, 1 second of UTC in make-date is out as 2
;; seconds of TAI in date->time-tai
(pass-if "31dec05 23:59:59"
(time-equal? (make-time time-tai 0 1136073631)
(date->time-tai (make-date 0 59 59 23 31 12 2005 0))))
(pass-if "31dec05 23:59:60"
(time-equal? (make-time time-tai 0 1136073632)
(date->time-tai (make-date 0 60 59 23 31 12 2005 0))))
(pass-if "1jan06 0:00:00"
(time-equal? (make-time time-tai 0 1136073633)
(date->time-tai (make-date 0 0 0 0 1 1 2006 0)))))
(with-test-prefix "date->time-monotonic"
;; leap second 1 Jan 1999, 1 second of UTC in make-date is out as 2
;; seconds of MONOTONIC in date->time-monotonic
(pass-if "31dec98 23:59:59"
(time-equal? (make-time time-monotonic 0 915148830)
(date->time-monotonic (make-date 0 59 59 23 31 12 1998 0))))
(pass-if "31dec98 23:59:60"
(time-equal? (make-time time-monotonic 0 915148831)
(date->time-monotonic (make-date 0 60 59 23 31 12 1998 0))))
(pass-if "1jan99 0:00:00"
(time-equal? (make-time time-monotonic 0 915148832)
(date->time-monotonic (make-date 0 0 0 0 1 1 1999 0))))
;; leap second 1 Jan 2006, 1 second of UTC in make-date is out as 2
;; seconds of MONOTONIC in date->time-monotonic
(pass-if "31dec05 23:59:59"
(time-equal? (make-time time-monotonic 0 1136073631)
(date->time-monotonic (make-date 0 59 59 23 31 12 2005 0))))
(pass-if "31dec05 23:59:60"
(time-equal? (make-time time-monotonic 0 1136073632)
(date->time-monotonic (make-date 0 60 59 23 31 12 2005 0))))
(pass-if "1jan06 0:00:00"
(time-equal? (make-time time-monotonic 0 1136073633)
(date->time-monotonic (make-date 0 0 0 0 1 1 2006 0)))))
(with-test-prefix "julian-day->date"
(pass-if-equal "0002-07-29T12:00:00Z" "0002-07-29T12:00:00Z"
(date->string (julian-day->date 1722000 0) "~4"))
(pass-if-equal "0024-06-23T12:00:00Z" "0024-06-23T12:00:00Z"
(date->string (julian-day->date 1730000 0) "~4"))
(pass-if-equal "2000-01-01T00:00:00Z" "2000-01-01T00:00:00Z"
(date->string (julian-day->date 4903089/2 0) "~4"))
(pass-if-equal "9999-12-31T12:00:00Z" "9999-12-31T12:00:00Z"
(date->string (julian-day->date 5373484 0) "~4"))
(pass-if-equal "+10000-01-01T12:00:00Z" "+10000-01-01T12:00:00Z"
(date->string (julian-day->date 5373485 0) "~4"))
(pass-if-equal "negative julian days"
'((-2000000 . "-10188-02-01T14:24:00Z wk=04 dow=6 doy=032")
(-20000 . "-4767-02-20T14:24:00Z wk=08 dow=0 doy=051")
(-10 . "-4713-11-14T14:24:00Z wk=45 dow=5 doy=318")
(-9 . "-4713-11-15T14:24:00Z wk=45 dow=6 doy=319")
(-8 . "-4713-11-16T14:24:00Z wk=46 dow=0 doy=320")
(-7 . "-4713-11-17T14:24:00Z wk=46 dow=1 doy=321")
(-6 . "-4713-11-18T14:24:00Z wk=46 dow=2 doy=322")
(-5 . "-4713-11-19T14:24:00Z wk=46 dow=3 doy=323")
(-4 . "-4713-11-20T14:24:00Z wk=46 dow=4 doy=324")
(-3 . "-4713-11-21T14:24:00Z wk=46 dow=5 doy=325")
(-2 . "-4713-11-22T14:24:00Z wk=46 dow=6 doy=326")
(-1 . "-4713-11-23T14:24:00Z wk=47 dow=0 doy=327")
(0 . "-4713-11-24T14:24:00Z wk=47 dow=1 doy=328")
(1 . "-4713-11-25T14:24:00Z wk=47 dow=2 doy=329")
(2 . "-4713-11-26T14:24:00Z wk=47 dow=3 doy=330")
(3 . "-4713-11-27T14:24:00Z wk=47 dow=4 doy=331")
(4 . "-4713-11-28T14:24:00Z wk=47 dow=5 doy=332")
(5 . "-4713-11-29T14:24:00Z wk=47 dow=6 doy=333")
(6 . "-4713-11-30T14:24:00Z wk=48 dow=0 doy=334")
(7 . "-4713-12-01T14:24:00Z wk=48 dow=1 doy=335")
(8 . "-4713-12-02T14:24:00Z wk=48 dow=2 doy=336")
(9 . "-4713-12-03T14:24:00Z wk=48 dow=3 doy=337"))
(map (lambda (n)
(cons n (date->string (julian-day->date (+ n 1/10) 0)
"~4 wk=~U dow=~w doy=~j")))
(cons* -2000000 -20000 (iota 20 -10))))
(pass-if-equal "negative year numbers"
'((1721055 . "-0001-12-27T14:24:00Z wk=52 dow=1 doy=361")
(1721056 . "-0001-12-28T14:24:00Z wk=52 dow=2 doy=362")
(1721057 . "-0001-12-29T14:24:00Z wk=52 dow=3 doy=363")
(1721058 . "-0001-12-30T14:24:00Z wk=52 dow=4 doy=364")
(1721059 . "-0001-12-31T14:24:00Z wk=52 dow=5 doy=365")
(1721060 . "0000-01-01T14:24:00Z wk=00 dow=6 doy=001")
(1721061 . "0000-01-02T14:24:00Z wk=01 dow=0 doy=002")
(1721062 . "0000-01-03T14:24:00Z wk=01 dow=1 doy=003")
(1721063 . "0000-01-04T14:24:00Z wk=01 dow=2 doy=004")
(1721064 . "0000-01-05T14:24:00Z wk=01 dow=3 doy=005"))
(map (lambda (n)
(cons n (date->string (julian-day->date (+ n 1/10) 0)
"~4 wk=~U dow=~w doy=~j")))
(iota 10 1721055))))
(with-test-prefix "time-utc->date"
(pass-if-equal "2012-07-01T00:59:59+0100" "2012-07-01T00:59:59+0100"
(date->string (time-utc->date (make-time time-utc 0 1341100799)
3600)
"~4"))
(pass-if-equal "2012-07-01T01:00:00+0100" "2012-07-01T01:00:00+0100"
(date->string (time-utc->date (make-time time-utc 0 1341100800)
3600)
"~4"))
(pass-if-equal "2012-07-01T01:00:01+0100" "2012-07-01T01:00:01+0100"
(date->string (time-utc->date (make-time time-utc 0 1341100801)
3600)
"~4")))
(with-test-prefix "time-tai->date"
(pass-if-equal "2012-07-01T00:59:59+0100" "2012-07-01T00:59:59+0100"
(date->string (time-tai->date (make-time time-tai 0 1341100833)
3600)
"~4"))
(pass-if-equal "2012-07-01T00:59:60+0100" "2012-07-01T00:59:60+0100"
(date->string (time-tai->date (make-time time-tai 0 1341100834)
3600)
"~4"))
(pass-if-equal "2012-07-01T01:00:00+0100" "2012-07-01T01:00:00+0100"
(date->string (time-tai->date (make-time time-tai 0 1341100835)
3600)
"~4"))
(pass-if-equal "2012-07-01T01:00:01+0100" "2012-07-01T01:00:01+0100"
(date->string (time-tai->date (make-time time-tai 0 1341100836)
3600)
"~4")))
(with-test-prefix "time-monotonic->date"
(pass-if-equal "2012-07-01T00:59:59+0100" "2012-07-01T00:59:59+0100"
(date->string (time-monotonic->date (make-time time-monotonic
0 1341100833)
3600)
"~4"))
(pass-if-equal "2012-07-01T00:59:60+0100" "2012-07-01T00:59:60+0100"
(date->string (time-monotonic->date (make-time time-monotonic
0 1341100834)
3600)
"~4"))
(pass-if-equal "2012-07-01T01:00:00+0100" "2012-07-01T01:00:00+0100"
(date->string (time-monotonic->date (make-time time-monotonic
0 1341100835)
3600)
"~4"))
(pass-if-equal "2012-07-01T01:00:01+0100" "2012-07-01T01:00:01+0100"
(date->string (time-monotonic->date (make-time time-monotonic
0 1341100836)
3600)
"~4")))
(with-test-prefix "time-tai->julian-day"
(pass-if-equal "2012-07-01T00:59:59+0100" 212207860799/86400
(time-tai->julian-day (make-time time-tai 0 1341100833)))
(pass-if-equal "2012-07-01T00:59:60+0100" 4912219/2
(time-tai->julian-day (make-time time-tai 0 1341100834)))
(pass-if-equal "2012-07-01T01:00:00+0100" 4912219/2
(time-tai->julian-day (make-time time-tai 0 1341100835)))
(pass-if-equal "2012-07-01T01:00:01+0100" 212207860801/86400
(time-tai->julian-day (make-time time-tai 0 1341100836))))
(with-test-prefix "time-monotonic->julian-day"
(pass-if-equal "2012-07-01T00:59:59+0100" 212207860799/86400
(time-monotonic->julian-day (make-time time-monotonic 0 1341100833)))
(pass-if-equal "2012-07-01T00:59:60+0100" 4912219/2
(time-monotonic->julian-day (make-time time-monotonic 0 1341100834)))
(pass-if-equal "2012-07-01T01:00:00+0100" 4912219/2
(time-monotonic->julian-day (make-time time-monotonic 0 1341100835)))
(pass-if-equal "2012-07-01T01:00:01+0100" 212207860801/86400
(time-monotonic->julian-day (make-time time-monotonic 0 1341100836))))
(with-test-prefix "date-week-number"
(pass-if (= 0 (date-week-number (make-date 0 0 0 0 1 1 1984 0) 0)))
(pass-if (= 0 (date-week-number (make-date 0 0 0 0 7 1 1984 0) 0)))
(pass-if (= 1 (date-week-number (make-date 0 0 0 0 8 1 1984 0) 0)))))
;; Local Variables:
;; eval: (put 'with-tz 'scheme-indent-function 1)
;; End:
|
