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KT-58046 Use saturated math in LongTimeMark implementation

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- keep offset in range (-1..+1) of time source units
- when adding big or infinite offset, saturate startedAt instead
- displace initial reading to zero, similar to MonotonicTimeSource
- fix the zero reading in TestTimeSource by calling markNow in constructor
- use more precise reading adjustment in TestTimeSource for big durations
- add a note about comparable time marks for AbstractLongTimeSource and TestTimeSource
This commit is contained in:
Ilya Gorbunov
2023-04-10 18:04:11 +02:00
committed by Space Team
parent 7a6947ad35
commit 1014434475
5 changed files with 193 additions and 120 deletions
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libraries/stdlib/jvm/test/time/TimeMarkJVMTest.kt
+1 -1
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@@ -14,7 +14,7 @@ class TimeMarkJVMTest {
@Test
fun longDurationElapsed() {
TimeMarkTest().testLongDisplacement(TimeSource.Monotonic, { waitDuration -> Thread.sleep((waitDuration * 1.1).inWholeMilliseconds) })
TimeMarkTest().testLongAdjustmentElapsedPrecision(TimeSource.Monotonic, { waitDuration -> Thread.sleep((waitDuration * 1.1).inWholeMilliseconds) })
}
@Test