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(*---------------------------------------------------------------------------
Copyright (c) 2015 The ptime programmers. All rights reserved.
Distributed under the ISC license, see terms at the end of the file.
---------------------------------------------------------------------------*)
open Testing
open Testing_ptime
let stamp_of_date_time d =
(Ptime.of_date_time $ raw_date_time @-> ret_get_option stamp) d
let valid_date_time d =
ignore ((Ptime.of_date_time $ raw_date_time @-> ret_some stamp) d)
let wrong_date_time d =
ignore ((Ptime.of_date_time $ raw_date_time @-> ret_none stamp) d)
let span_of_d_ps s = match Ptime.Span.of_d_ps s with
| None -> invalid_arg ""
| Some s -> s
let time_bounds = test "Date-time time field bounds" @@ fun () ->
let min_date = Ptime.to_date Ptime.min in
let min_utc t = min_date, (t, 0) in
(* Check hour bounds *)
wrong_date_time (min_utc (-2, 00, 00));
wrong_date_time (min_utc (-1, 00, 00));
valid_date_time (min_utc (00, 00, 00));
valid_date_time (min_utc (01, 00, 00));
valid_date_time (min_utc (23, 00, 00));
wrong_date_time (min_utc (24, 00, 00));
(* Check minute bounds *)
wrong_date_time (min_utc (00, -2, 00));
wrong_date_time (min_utc (00, -1, 00));
valid_date_time (min_utc (00, 00, 00));
valid_date_time (min_utc (00, 01, 00));
valid_date_time (min_utc (00, 59, 00));
wrong_date_time (min_utc (00, 60, 00));
(* Check second bounds *)
wrong_date_time (min_utc (00, 00, -2));
wrong_date_time (min_utc (00, 00, -1));
valid_date_time (min_utc (00, 00, 00));
valid_date_time (min_utc (00, 00, 01));
valid_date_time (min_utc (00, 00, 59));
valid_date_time (min_utc (00, 00, 60));
wrong_date_time (min_utc (00, 00, 61));
()
let tz = test "Testing date-time time zone calculations" @@ fun () ->
(* Timestamps with tz offsets around Ptime.{max,min} *)
wrong_date_time ((0000, 01, 01), ((00, 00, 00), +1));
valid_date_time ((0000, 01, 01), ((00, 00, 00), +0));
valid_date_time ((0000, 01, 01), ((00, 00, 00), -1));
wrong_date_time ((9999, 12, 31), ((23, 59, 59), -1));
wrong_date_time ((9999, 12, 31), ((23, 59, 60), +0));
valid_date_time ((9999, 12, 31), ((23, 59, 60), +1));
(* Convert time zones *)
let nyc_tz = -4 * 3600 in
let cam_tz = +1 * 3600 in
let lau_tz = +2 * 3600 in
let new_york = ((2015, 06, 27), ((18, 30, 01), nyc_tz)) in
let cambridge = ((2015, 06, 27), ((23, 30, 01), cam_tz)) in
let lausanne = ((2015, 06, 28), ((00, 30, 01), lau_tz)) in
let nyc_stamp = stamp_of_date_time new_york in
let cam_stamp = stamp_of_date_time cambridge in
let lau_stamp = stamp_of_date_time lausanne in
eq_stamp nyc_stamp cam_stamp;
eq_stamp cam_stamp lau_stamp;
eq_date_time (Ptime.to_date_time ~tz_offset_s:nyc_tz nyc_stamp) new_york;
eq_date_time (Ptime.to_date_time ~tz_offset_s:cam_tz nyc_stamp) cambridge;
eq_date_time (Ptime.to_date_time ~tz_offset_s:lau_tz nyc_stamp) lausanne;
()
let subsecond = test "Subsecond stamp to date-time" @@ fun () ->
let add, sub =
let add t ps = Ptime.(add_span t (span_of_d_ps (0, ps))) in
let sub t ps = Ptime.(sub_span t (span_of_d_ps (0, ps))) in
add $ stamp @-> int64 @-> ret_get_option stamp,
sub $ stamp @-> int64 @-> ret_get_option stamp
in
let b0 = sub Ptime.epoch 750_000_000_000L in
let b1 = sub Ptime.epoch 500_000_000_000L in
let b2 = sub Ptime.epoch 250_000_000_000L in
let b = (1969, 12, 31), ((23, 59, 59), +0) in
eq_date_time b (Ptime.to_date_time b0);
eq_date_time b (Ptime.to_date_time b1);
eq_date_time b (Ptime.to_date_time b2);
let a0 = add Ptime.epoch 750_000_000_000L in
let a1 = add Ptime.epoch 500_000_000_000L in
let a2 = add Ptime.epoch 250_000_000_000L in
let a = (1970, 01, 01), ((00, 00, 00), +0) in
eq_date_time a (Ptime.to_date_time a0);
eq_date_time a (Ptime.to_date_time a1);
eq_date_time a (Ptime.to_date_time a2);
()
let leap_sec = test "Testing leap second date-times" @@ fun () ->
let after_leap_sec = (1999, 01, 01), ((00, 00, 00), 0) in
let t0 = stamp_of_date_time ((1998, 12, 31), ((23, 59, 59), 0)) in
let t1 = stamp_of_date_time ((1998, 12, 31), ((23, 59, 60), 0)) in
let t2 = stamp_of_date_time after_leap_sec in
eq_stamp t1 t2; (* leap sec is represented by second that comes after *)
eq_stamp_opt (Some t1) Ptime.(add_span t0 (Span.of_int_s 1));
eq_date_time after_leap_sec (Ptime.to_date_time t1);
eq_date_time after_leap_sec (Ptime.to_date_time t2);
eq_span (Ptime.diff t2 t0) (Ptime.Span.of_int_s 1);
eq_span (Ptime.diff t1 t0) (Ptime.Span.of_int_s 1);
eq_span (Ptime.diff t2 t1) (Ptime.Span.of_int_s 0);
()
let stamp_trips = test "Random stamps to date-time round trips" @@ fun () ->
let stamp_of_posix_s =
Ptime.of_float_s $ pp_float @-> (ret_get_option stamp)
in
let trip ?tz_offset_s t =
let back = stamp_of_posix_s (floor (Ptime.to_float_s t)) in
let trip = stamp_of_date_time (Ptime.to_date_time ?tz_offset_s t) in
eq_stamp back trip
in
for i = 1 to Test_rand.loop_len () do
trip ~tz_offset_s:0 (* UTC *) (Test_rand.float_stamp ());
trip ~tz_offset_s:(Test_rand.tz_offset_s ()) (Test_rand.float_stamp ())
done
let round_trips =
test "Random valid date-times to stamp round trips" @@ fun () ->
let is_leap_sec = function
| (_, _, _), ((_, _, 60), _) -> true
| _ -> false
in
let rec rand_date_time_stamp () = (* biased *)
let date = Test_rand.date () in
let time = Test_rand.time () in
let tz = Test_rand.tz_offset_s () in
let dt = (date, (time, tz)) in
match Ptime.of_date_time dt with
| Some _ -> dt
| None ->
let dt = date, (time, 0) (* try in UTC *) in
begin match Ptime.of_date_time dt with
| None -> rand_date_time_stamp () (* start again *)
| Some _ -> dt
end
in
let add_posix_s =
let span = Ptime.Span.of_float_s $ pp_float @-> ret_get_option span in
let add_posix_s t s = Ptime.(add_span t (span s)) in
add_posix_s $ stamp @-> pp_float @-> ret_get_option stamp
in
for i = 1 to Test_rand.loop_len () do
let (_, (_, tz_offset_s) as dt) = rand_date_time_stamp () in
let stamp = stamp_of_date_time dt in
if not (is_leap_sec dt)
then eq_date_time dt (Ptime.to_date_time ~tz_offset_s stamp)
else begin
(* Verify we map the leap sec on the the second after. *)
let before_leap_dt = match dt with
| date, ((hh, ss, 60), tz) -> date, ((hh, ss, 59), tz)
| _ -> assert false
in
let stamp' = add_posix_s (stamp_of_date_time before_leap_dt) 1. in
eq_stamp stamp stamp'
end
done;
()
let weekday =
test "Ptime.weekday" @@ fun () ->
let pp_weekday ppf v = Format.pp_print_string ppf begin match v with
| `Mon -> "`Mon" | `Tue -> "`Tue" | `Wed -> "`Wed" | `Thu -> "`Thu"
| `Fri -> "`Fri" | `Sat -> "`Sat" | `Sun -> "`Sun"
end
in
let eq_weekday v v' = eq ~eq:(=) ~pp:pp_weekday v v' in
let eq ?tz_offset_s c wday =
eq_weekday (Ptime.weekday ?tz_offset_s
(stamp_of_date_time (c, ((0, 0, 0), 0)))) wday
in
eq (1970, 01, 01) `Thu;
eq ~tz_offset_s:(-1) (1970, 01, 01) `Wed;
eq ~tz_offset_s:86400 (1970, 01, 01) `Fri;
eq (1871, 03, 18) `Sat;
eq ~tz_offset_s:(-1) (1871, 03, 18) `Fri;
eq ~tz_offset_s:86400 (1871, 03, 18) `Sun;
eq (1995, 09, 12) `Tue;
eq ~tz_offset_s:(-1) (1995, 09, 12) `Mon;
eq ~tz_offset_s:86400 (1995, 09, 12) `Wed;
eq ~tz_offset_s:172800 (1995, 09, 12) `Thu;
()
let suite = suite "Ptime date-time tests"
[ time_bounds;
tz;
subsecond;
leap_sec;
stamp_trips;
round_trips;
weekday; ]
(*---------------------------------------------------------------------------
Copyright (c) 2015 The ptime programmers
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
---------------------------------------------------------------------------*)
|
