Files
kotlin-fork/native/native.tests/testData/gc/weak0.kt
T
2024-03-15 01:28:01 +00:00

38 lines
992 B
Kotlin
Vendored

// DISABLE_NATIVE: gcType=NOOP
import kotlin.test.*
import kotlin.native.ref.*
data class Data(val s: String)
@OptIn(kotlin.experimental.ExperimentalNativeApi::class)
fun localWeak(): WeakReference<Data> {
val x = Data("Hello")
val weak = WeakReference(x)
assertSame(x, weak.get())
return weak
}
@OptIn(kotlin.experimental.ExperimentalNativeApi::class)
fun multiWeak(): Array<WeakReference<Data>> {
val x = Data("Hello")
val weaks = Array(100, { WeakReference(x) } )
weaks.forEach {
it -> if (it.get()?.s != "Hello") throw Error("bad reference")
}
return weaks
}
@OptIn(kotlin.native.runtime.NativeRuntimeApi::class, kotlin.experimental.ExperimentalNativeApi::class)
@Test fun runTest() {
val weak = localWeak()
kotlin.native.runtime.GC.collect()
assertNull(weak.get())
val weaks = multiWeak()
kotlin.native.runtime.GC.collect()
weaks.forEach {
it -> if (it.get()?.s != null) throw Error("not null")
}
}