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; OSLIB -- Operating System Utilities
; Copyright (C) 2013-2014 Centaur Technology
;
; Contact:
; Centaur Technology Formal Verification Group
; 7600-C N. Capital of Texas Highway, Suite 300, Austin, TX 78731, USA.
; http://www.centtech.com/
;
; License: (An MIT/X11-style license)
;
; Permission is hereby granted, free of charge, to any person obtaining a
; copy of this software and associated documentation files (the "Software"),
; to deal in the Software without restriction, including without limitation
; the rights to use, copy, modify, merge, publish, distribute, sublicense,
; and/or sell copies of the Software, and to permit persons to whom the
; Software is furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
; DEALINGS IN THE SOFTWARE.
;
; Original authors: Jared Davis <jared@centtech.com>
; Sol Swords <sswords@centtech.com>
(in-package "ACL2")
(include-book "../date")
(include-book "std/util/defconsts" :dir :system)
(include-book "std/strings/defs" :dir :system)
(include-book "misc/assert" :dir :system)
(defconsts (*date* state)
(oslib::date))
(assert! (stringp *date*))
(defconst *tokens* (str::strtok *date* '(#\Space #\, #\:)))
(assert! (equal (len *tokens*) 6))
(defconst *months* '("January" "February" "March" "April" "May" "June"
"July" "August" "September" "October" "November" "December"))
(defconsts (*month* *day* *year* *hour* *minute* *second*)
(mv (first *tokens*)
(str::strval (second *tokens*))
(str::strval (third *tokens*))
(str::strval (fourth *tokens*))
(str::strval (fifth *tokens*))
(str::strval (sixth *tokens*))))
(assert! (member-equal *month* *months*))
(assert! (and (natp *day*) (<= *day* 31)))
(assert! (and (natp *year*) (<= 2014 *year*)))
(assert! (and (natp *hour*) (<= *hour* 23)))
(assert! (and (natp *minute*) (<= *minute* 59)))
(assert! (and (natp *second*) (<= *second* 59)))
(defconsts (*time1* state)
(oslib::universal-time))
(value-triple (sleep 4))
(defconsts (*time2* state)
(oslib::universal-time))
(assert! (let ((elapsed (- *time2* *time1*)))
(or (and (<= 2 elapsed)
(<= elapsed 6))
(cw "Slept for 4 seconds, but ~x0 seconds passed? Error with universal-time or sleep?"
elapsed))))
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