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Timeinterval optimization (#7608)

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* TimeInterval optimization

* Fix typo in `$`(Duration)
This commit is contained in:
Oscar Nihlgård
2018-04-16 00:01:34 +02:00
committed by Andreas Rumpf
parent ed5b7cbac0
commit 02d6dd723d
2 changed files with 61 additions and 33 deletions
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45
tests/stdlib/ttimes.nim
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@@ -65,26 +65,6 @@ a1L = toUnix(toTime(t4L - initTimeInterval(hours = 1))) + t4L.utcOffset
a1G = toUnix(toTime(t4)) - (60 * 60)
doAssert a1L == a1G
# add/subtract TimeIntervals and Time/TimeInfo
let now = getTime().utc
doAssert now + convert(Seconds, Nanoseconds, 1).nanoseconds == now + 1.seconds
doAssert now + 1.weeks == now + 7.days
doAssert now - 1.seconds == now - 3.seconds + 2.seconds
doAssert now + 65.seconds == now + 1.minutes + 5.seconds
doAssert now + 60.minutes == now + 1.hours
doAssert now + 24.hours == now + 1.days
doAssert now + 13.months == now + 1.years + 1.months
var ti1 = now + 1.years
ti1 = ti1 - 1.years
doAssert ti1 == now
ti1 = ti1 + 1.days
doAssert ti1 == now + 1.days
# Bug with adding a day to a Time
let day = 24.hours
let tomorrow = now + day
doAssert tomorrow - now == initDuration(days = 1)
# Comparison between Time objects should be detected by compiler
# as 'noSideEffect'.
proc cmpTimeNoSideEffect(t1: Time, t2: Time): bool {.noSideEffect.} =
@@ -284,7 +264,7 @@ suite "ttimes":
putEnv("TZ", orig_tz)
else:
# not on Linux or macosx: run one parseTest only
# not on Linux or macosx: run in the local timezone only
test "parseTest":
runTimezoneTests()
@@ -407,3 +387,26 @@ suite "ttimes":
check dt1 <= dt2
dt2 = dt2 + 1.seconds
check dt1 < dt2
test "adding/subtracting TimeInterval":
# add/subtract TimeIntervals and Time/TimeInfo
let now = getTime().utc
check now + convert(Seconds, Nanoseconds, 1).nanoseconds == now + 1.seconds
check now + 1.weeks == now + 7.days
check now - 1.seconds == now - 3.seconds + 2.seconds
check now + 65.seconds == now + 1.minutes + 5.seconds
check now + 60.minutes == now + 1.hours
check now + 24.hours == now + 1.days
check now + 13.months == now + 1.years + 1.months
check toUnix(fromUnix(0) + 2.seconds) == 2
check toUnix(fromUnix(0) - 2.seconds) == -2
var ti1 = now + 1.years
ti1 = ti1 - 1.years
check ti1 == now
ti1 = ti1 + 1.days
check ti1 == now + 1.days
# Bug with adding a day to a Time
let day = 24.hours
let tomorrow = now + day
check tomorrow - now == initDuration(days = 1)