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(*---------------------------------------------------------------------------
Copyright (c) 2015 The ptime programmers. All rights reserved.
SPDX-License-Identifier: ISC
---------------------------------------------------------------------------*)
open B0_testing
open Testing_ptime
let stamp_of_date_time ?__POS__ d =
Ptime.of_date_time d |> Test.get_some ?__POS__
let valid_date_time ?__POS__ d =
Test.holds ?__POS__ (Option.is_some (Ptime.of_date_time d))
let wrong_date_time ?__POS__ d =
Test.holds ?__POS__ (Option.is_none (Ptime.of_date_time d))
let test_time_bounds () =
Test.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 ~__POS__ (min_utc (-2, 00, 00));
wrong_date_time ~__POS__ (min_utc (-1, 00, 00));
valid_date_time ~__POS__ (min_utc (00, 00, 00));
valid_date_time ~__POS__ (min_utc (01, 00, 00));
valid_date_time ~__POS__ (min_utc (23, 00, 00));
wrong_date_time ~__POS__ (min_utc (24, 00, 00));
(* Check minute bounds *)
wrong_date_time ~__POS__ (min_utc (00, -2, 00));
wrong_date_time ~__POS__ (min_utc (00, -1, 00));
valid_date_time ~__POS__ (min_utc (00, 00, 00));
valid_date_time ~__POS__ (min_utc (00, 01, 00));
valid_date_time ~__POS__ (min_utc (00, 59, 00));
wrong_date_time ~__POS__ (min_utc (00, 60, 00));
(* Check second bounds *)
wrong_date_time ~__POS__ (min_utc (00, 00, -2));
wrong_date_time ~__POS__ (min_utc (00, 00, -1));
valid_date_time ~__POS__ (min_utc (00, 00, 00));
valid_date_time ~__POS__ (min_utc (00, 00, 01));
valid_date_time ~__POS__ (min_utc (00, 00, 59));
valid_date_time ~__POS__ (min_utc (00, 00, 60));
wrong_date_time ~__POS__ (min_utc (00, 00, 61));
()
let test_tz () =
Test.test "testing date-time time zone calculations" @@ fun () ->
(* Timestamps with tz offsets around Ptime.{max,min} *)
wrong_date_time ~__POS__ ((0000, 01, 01), ((00, 00, 00), +1));
valid_date_time ~__POS__ ((0000, 01, 01), ((00, 00, 00), +0));
valid_date_time ~__POS__ ((0000, 01, 01), ((00, 00, 00), -1));
wrong_date_time ~__POS__ ((9999, 12, 31), ((23, 59, 59), -1));
wrong_date_time ~__POS__ ((9999, 12, 31), ((23, 59, 60), +0));
valid_date_time ~__POS__ ((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
T.stamp ~__POS__ nyc_stamp cam_stamp;
T.stamp ~__POS__ cam_stamp lau_stamp;
T.date_time ~__POS__
(Ptime.to_date_time ~tz_offset_s:nyc_tz nyc_stamp) new_york;
T.date_time ~__POS__
(Ptime.to_date_time ~tz_offset_s:cam_tz nyc_stamp) cambridge;
T.date_time ~__POS__
(Ptime.to_date_time ~tz_offset_s:lau_tz nyc_stamp) lausanne;
()
let test_subsecond () =
Test.test "subsecond stamp to date-time" @@ fun () ->
let span_of_d_ps ?__POS__ s =
Ptime.Span.of_d_ps s |> Test.get_some ?__POS__
in
let add, sub =
let add t ps = Ptime.(add_span t (span_of_d_ps (0, ps))) |> Test.get_some in
let sub t ps = Ptime.(sub_span t (span_of_d_ps (0, ps))) |> Test.get_some in
add, sub
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
T.date_time ~__POS__ b (Ptime.to_date_time b0);
T.date_time ~__POS__ b (Ptime.to_date_time b1);
T.date_time ~__POS__ 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
T.date_time ~__POS__ a (Ptime.to_date_time a0);
T.date_time ~__POS__ a (Ptime.to_date_time a1);
T.date_time ~__POS__ a (Ptime.to_date_time a2);
()
let test_leap_sec () =
Test.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
T.stamp ~__POS__ t1 t2
(* leap sec is represented by second that comes after *);
T.stamp_option ~__POS__ (Some t1) Ptime.(add_span t0 (Span.of_int_s 1));
T.date_time ~__POS__ after_leap_sec (Ptime.to_date_time t1);
T.date_time ~__POS__ after_leap_sec (Ptime.to_date_time t2);
T.span ~__POS__ (Ptime.diff t2 t0) (Ptime.Span.of_int_s 1);
T.span ~__POS__ (Ptime.diff t1 t0) (Ptime.Span.of_int_s 1);
T.span ~__POS__ (Ptime.diff t2 t1) (Ptime.Span.of_int_s 0);
()
let test_stamp_trips () =
Test.test "random stamps to date-time round trips" @@ fun () ->
let stamp_of_posix_s s = Ptime.of_float_s s |> Test.get_some 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
T.stamp ~__POS__ back trip
in
for i = 1 to Rand.loop_len () do
trip ~tz_offset_s:0 (* UTC *) (Rand.float_stamp ());
trip ~tz_offset_s:(Rand.tz_offset_s ()) (Rand.float_stamp ())
done
let test_round_trips () =
Test.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 = Rand.date () in
let time = Rand.time () in
let tz = 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 s = Ptime.Span.of_float_s s |> Test.get_some in
let add_posix_s t s = Ptime.(add_span t (span s)) |> Test.get_some in
add_posix_s
in
for i = 1 to 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 begin
let ((y, _, _), _ as dt') = Ptime.to_date_time ~tz_offset_s stamp in
assert (Ptime.to_year ~tz_offset_s stamp = y);
T.date_time ~__POS__ dt dt'
end
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
T.stamp ~__POS__ stamp stamp'
end
done;
()
let test_weekday () =
Test.test "Ptime.{weekday_num,weekday}" @@ fun () ->
let module Weekday = struct
type t = Ptime.weekday
let equal = ( = )
let pp ppf v = Format.pp_print_string ppf @@ match v with
| `Mon -> "`Mon" | `Tue -> "`Tue" | `Wed -> "`Wed" | `Thu -> "`Thu"
| `Fri -> "`Fri" | `Sat -> "`Sat" | `Sun -> "`Sun"
end
in
let weekday ?__POS__ = Test.eq ?__POS__ (module Weekday) in
let eq ?__POS__ ?tz_offset_s c wday =
let s = stamp_of_date_time (c, ((0, 0, 0), 0)) in
weekday ?__POS__ (Ptime.weekday ?tz_offset_s s) wday
in
eq ~__POS__ (1970, 01, 01) `Thu;
eq ~__POS__ ~tz_offset_s:(-1) (1970, 01, 01) `Wed;
eq ~__POS__ ~tz_offset_s:86400 (1970, 01, 01) `Fri;
eq ~__POS__ (1871, 03, 18) `Sat;
eq ~__POS__ ~tz_offset_s:(-1) (1871, 03, 18) `Fri;
eq ~__POS__ ~tz_offset_s:86400 (1871, 03, 18) `Sun;
eq ~__POS__ (1995, 09, 12) `Tue;
eq ~__POS__ ~tz_offset_s:(-1) (1995, 09, 12) `Mon;
eq ~__POS__ ~tz_offset_s:86400 (1995, 09, 12) `Wed;
eq ~__POS__ ~tz_offset_s:172800 (1995, 09, 12) `Thu;
()
let tests () =
test_time_bounds ();
test_tz ();
test_subsecond ();
test_leap_sec ();
test_stamp_trips ();
test_round_trips ();
test_weekday ();
()
|
