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Saturate overflowing values when adjusting time marks

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KT-46132
This commit is contained in:
Ilya Gorbunov
2022-02-20 08:31:09 +03:00
committed by Space
parent f32e0f3cba
commit 77cf41c189
7 changed files with 194 additions and 14 deletions
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libraries/stdlib/js/src/kotlin/time/MonoTimeSource.kt
+8 -5
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@@ -7,6 +7,7 @@ package kotlin.time
import org.w3c.performance.GlobalPerformance
import org.w3c.performance.Performance
import kotlin.math.truncate
import kotlin.time.Duration.Companion.milliseconds
@Suppress("ACTUAL_WITHOUT_EXPECT") // visibility
@@ -56,8 +57,8 @@ internal class HrTimeSource(private val process: Process) : DefaultTimeSource {
override fun adjustReading(timeMark: DefaultTimeMark, duration: Duration): DefaultTimeMark =
@Suppress("UNCHECKED_CAST")
(timeMark.reading as Array<Double>).let { (seconds, nanos) ->
duration.toComponents { addSeconds, addNanos ->
arrayOf<Double>(seconds + addSeconds, nanos + addNanos)
duration.toComponents { _, addNanos ->
arrayOf<Double>(sumCheckNaN(seconds + truncate(duration.toDouble(DurationUnit.SECONDS))), nanos + addNanos)
}
}.let(::DefaultTimeMark)
@@ -73,7 +74,7 @@ internal class PerformanceTimeSource(val performance: Performance) : DefaultTime
override fun markNow(): DefaultTimeMark = DefaultTimeMark(read())
override fun elapsedFrom(timeMark: DefaultTimeMark): Duration = (read() - timeMark.reading as Double).milliseconds
override fun adjustReading(timeMark: DefaultTimeMark, duration: Duration): DefaultTimeMark =
DefaultTimeMark(timeMark.reading as Double + duration.toDouble(DurationUnit.MILLISECONDS))
DefaultTimeMark(sumCheckNaN(timeMark.reading as Double + duration.toDouble(DurationUnit.MILLISECONDS)))
override fun toString(): String = "TimeSource(self.performance.now())"
}
@@ -86,7 +87,9 @@ internal object DateNowTimeSource : DefaultTimeSource {
override fun markNow(): DefaultTimeMark = DefaultTimeMark(read())
override fun elapsedFrom(timeMark: DefaultTimeMark): Duration = (read() - timeMark.reading as Double).milliseconds
override fun adjustReading(timeMark: DefaultTimeMark, duration: Duration): DefaultTimeMark =
DefaultTimeMark(timeMark.reading as Double + duration.toDouble(DurationUnit.MILLISECONDS))
DefaultTimeMark(sumCheckNaN(timeMark.reading as Double + duration.toDouble(DurationUnit.MILLISECONDS)))
override fun toString(): String = "TimeSource(Date.now())"
}
}
private fun sumCheckNaN(value: Double): Double = value.also { if (it.isNaN()) throw IllegalArgumentException("Summing infinities of different signs") }