Alexander Shabalin
56 lines
1.6 KiB
Kotlin
Vendored
56 lines
1.6 KiB
Kotlin
Vendored
// DISABLE_NATIVE: gcType=NOOP
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// FREE_COMPILER_ARGS: -Xbinary=gcSchedulerType=manual -opt-in=kotlin.native.runtime.NativeRuntimeApi,kotlin.ExperimentalStdlibApi,kotlinx.cinterop.ExperimentalForeignApi
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import kotlin.native.runtime.GC
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import kotlin.test.*
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@Test
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fun `nothing new collected`() {
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GC.collect()
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GC.collect()
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val stat = GC.lastGCInfo
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assertNotNull(stat)
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for (key in stat.sweepStatistics.keys) {
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assertEquals(stat.sweepStatistics[key]!!.sweptCount, 0L)
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}
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}
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object Global {
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val x = listOf(1, 2, 3)
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}
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@Test
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fun `stable refs in root set`() {
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GC.collect()
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val stat0 = GC.lastGCInfo
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assertNotNull(stat0)
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val rootSet0 = stat0.rootSet
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assertNotNull(rootSet0)
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val x = listOf(1, 2, 3)
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val stable = kotlinx.cinterop.StableRef.create(x)
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GC.collect();
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val stat1 = GC.lastGCInfo
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assertNotNull(stat1)
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val rootSet1 = stat1.rootSet
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assertNotNull(rootSet1)
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assertEquals(rootSet0.stableReferences + 1, rootSet1.stableReferences)
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stable.dispose()
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Global.x // to initialize and register global object
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GC.collect();
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val stat2 = GC.lastGCInfo
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assertNotNull(stat2)
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val rootSet2 = stat2.rootSet
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assertNotNull(rootSet2)
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assertEquals(rootSet0.stableReferences, rootSet2.stableReferences)
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assertEquals(rootSet1.globalReferences + 1, rootSet2.globalReferences)
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}
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@Test
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fun `check everything is filled at the end`() {
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GC.collect()
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val stat = GC.lastGCInfo
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assertNotNull(stat)
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// GC.collect is waiting for finalizers, so it should bet not null
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assertNotNull(stat.postGcCleanupTimeNs)
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}
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