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Test that JS frame clock sends nanos #261

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Jul 6, 2023
Merged

Test that JS frame clock sends nanos #261

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18 changes: 10 additions & 8 deletions molecule-runtime/src/jsTest/kotlin/app/cash/molecule/WindowAnimationFrameClockTest.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,18 +15,20 @@
*/
package app.cash.molecule

import assertk.all
import assertk.assertThat
import assertk.assertions.isLessThan
import assertk.assertions.isPositive
import kotlin.test.Test
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.Job
import kotlinx.coroutines.test.runTest

@OptIn(ExperimentalCoroutinesApi::class)
class WindowAnimationFrameClockTest {
@Test fun ticks() = runTest {
val job = Job()
WindowAnimationFrameClock.withFrameNanos {
job.complete()
@Test fun ticksWithTime() = runTest {
val frameTimeA = WindowAnimationFrameClock.withFrameNanos { it }
val frameTimeB = WindowAnimationFrameClock.withFrameNanos { it }
assertThat(frameTimeA).all {
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all is fun

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Yep. It defers throwing until the end of the block and aggregates any failures. Very useful.

isPositive()
isLessThan(frameTimeB)
}
job.join()
}
}