lean4-htt/tests/elab/timeLocalDateTime.lean
Garmelon 08eb78a5b2
chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

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1.8 KiB
Text

import Std.Time
import Init
open Std.Time
def ShortDateTime : GenericFormat .any := datespec("dd/MM/uuuu HH:mm:ss")
def ShortDate : GenericFormat .any := datespec("dd/MM/uuuu")
def format (PlainDate : PlainDateTime) : String := ShortDateTime.formatBuilder PlainDate.day PlainDate.month PlainDate.year PlainDate.time.hour PlainDate.minute PlainDate.time.second
def format₂ (PlainDate : PlainDate) : String := ShortDate.formatBuilder PlainDate.day PlainDate.month PlainDate.year
def date₁ := datetime("1993-11-19T09:08:07")
def date₂ := datetime("1993-05-09T12:59:59")
def date₃ := date("2024-08-16")
def date₄ := date("1500-08-16")
def tm₁ := 753700087
def tm₂ := 736952399
/--
info: "19/11/1993 09:08:07"
-/
#guard_msgs in
#eval format date₁
/--
info: "09/05/1993 12:59:59"
-/
#guard_msgs in
#eval format date₂
/--
info: 753700087
-/
#guard_msgs in
#eval date₁.toTimestampAssumingUTC.toSecondsSinceUnixEpoch
/--
info: 736952399
-/
#guard_msgs in
#eval date₂.toTimestampAssumingUTC.toSecondsSinceUnixEpoch
/--
info: "09/05/1993 12:59:59"
-/
#guard_msgs in
#eval PlainDateTime.ofTimestampAssumingUTC 736952399 |> format
/--
info: 736952399
-/
#guard_msgs in
#eval PlainDateTime.toTimestampAssumingUTC date₂ |>.toSecondsSinceUnixEpoch
/--
info: "16/08/2024"
-/
#guard_msgs in
#eval PlainDate.ofDaysSinceUNIXEpoch 19951 |> format₂
/--
info: 19951
-/
#guard_msgs in
#eval PlainDate.toDaysSinceUNIXEpoch date₃
/--
info: Std.Time.Weekday.friday
-/
#guard_msgs in
#eval PlainDate.weekday date₃
/--
info: #[]
-/
#guard_msgs in
#eval Id.run do
let mut res := #[]
for i in *...(10000 : Nat) do
let i := Int.ofNat i - 999975
let date := PlainDate.ofDaysSinceUNIXEpoch (Day.Offset.ofInt i)
let num := date.toDaysSinceUNIXEpoch
if i ≠ num.val then
res := res.push i
return res