nwaku/tests/waku_core/test_time.nim

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{.used.}
import
testutils/unittests
import
../../waku/waku_core/time
suite "Waku Core - Time":
test "Test timestamp conversion":
## Given
let
nanoseconds = 1676562429123456789.int64
secondsPart = nanoseconds div 1_000_000_000
nanosecondsPart = nanoseconds mod 1_000_000_000
secondsFloat = secondsPart.float64 + (nanosecondsPart.float64 / 1_000_000_000.float64)
lowResTimestamp = Timestamp(secondsPart.int64 * 1_000_000_000.int64) # 1676562429000000000
highResTimestamp = Timestamp(secondsFloat * 1_000_000_000.float64) # 1676562429123456789
require highResTimestamp > lowResTimestamp # Sanity check
## When
let
timeInSecondsInt = secondsPart.int
timeInSecondsInt64 = secondsPart.int64
timeInSecondsFloat = float(secondsFloat)
timeInSecondsFloat64 = float64(secondsFloat)
## Then
check:
getNanosecondTime(timeInSecondsInt) == lowResTimestamp
getNanosecondTime(timeInSecondsInt64) == lowResTimestamp
getNanosecondTime(timeInSecondsFloat) == highResTimestamp
getNanosecondTime(timeInSecondsFloat64) == highResTimestamp