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times.Timezone changes (#8527)

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* Use floorDiv in times.nim

* New implementation of times.Timezone

* Tweak doc comments

* Fix typo
This commit is contained in:
Oscar Nihlgård
2018-08-17 11:12:58 +02:00
committed by Andreas Rumpf
parent b77d910e4e
commit 33ed8f7e73
4 changed files with 153 additions and 91 deletions
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30
tests/stdlib/ttimes.nim
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@@ -11,20 +11,17 @@ import
proc staticTz(hours, minutes, seconds: int = 0): Timezone {.noSideEffect.} =
let offset = hours * 3600 + minutes * 60 + seconds
proc zoneInfoFromTz(adjTime: Time): ZonedTime {.locks: 0.} =
proc zonedTimeFromAdjTime(adjTime: Time): ZonedTime {.locks: 0.} =
result.isDst = false
result.utcOffset = offset
result.adjTime = adjTime
result.time = adjTime + initDuration(seconds = offset)
proc zoneInfoFromUtc(time: Time): ZonedTime {.locks: 0.}=
proc zonedTimeFromTime(time: Time): ZonedTime {.locks: 0.}=
result.isDst = false
result.utcOffset = offset
result.adjTime = fromUnix(time.toUnix - offset)
result.name = ""
result.zoneInfoFromTz = zoneInfoFromTz
result.zoneInfoFromUtc = zoneInfoFromUtc
result.time = time
newTimezone("", zonedTimeFromTime, zonedTImeFromAdjTime)
# $ date --date='@2147483647'
# Tue 19 Jan 03:14:07 GMT 2038
@@ -322,22 +319,7 @@ suite "ttimes":
parseTestExcp("-1 BC", "UUUU g")
test "dynamic timezone":
proc staticOffset(offset: int): Timezone =
proc zoneInfoFromTz(adjTime: Time): ZonedTime =
result.isDst = false
result.utcOffset = offset
result.adjTime = adjTime
proc zoneInfoFromUtc(time: Time): ZonedTime =
result.isDst = false
result.utcOffset = offset
result.adjTime = fromUnix(time.toUnix - offset)
result.name = ""
result.zoneInfoFromTz = zoneInfoFromTz
result.zoneInfoFromUtc = zoneInfoFromUtc
let tz = staticOffset(-9000)
let tz = staticTz(seconds = -9000)
let dt = initDateTime(1, mJan, 2000, 12, 00, 00, tz)
check dt.utcOffset == -9000
check dt.isDst == false