Vladimir Sukharev
53 lines
1.9 KiB
Kotlin
Vendored
53 lines
1.9 KiB
Kotlin
Vendored
@file:OptIn(FreezingIsDeprecated::class, kotlin.native.runtime.NativeRuntimeApi::class, ObsoleteWorkersApi::class)
|
|
|
|
import kotlinx.cinterop.*
|
|
import kotlin.native.concurrent.*
|
|
import kotlin.test.*
|
|
import objcTests.*
|
|
|
|
@Test fun testObjCWeakRef() {
|
|
val deallocListener = DeallocListener()
|
|
assertFalse(deallocListener.deallocated)
|
|
|
|
// [deallocListener.deallocExecutorIsNil()] calls deallocExecutor getter, which retains the result and either
|
|
// puts it to autoreleasepool or releases it immediately (Obj-C ARC optimization). It seems to depend on the platform.
|
|
// Wrap the call to autoreleasepool to ensure the object will be released:
|
|
autoreleasepool {
|
|
testObjCWeakRef0(deallocListener)
|
|
}
|
|
|
|
kotlin.native.runtime.GC.collect()
|
|
assertTrue(deallocListener.deallocated)
|
|
assertTrue(deallocListener.deallocExecutorIsNil())
|
|
}
|
|
|
|
private fun testObjCWeakRef0(deallocListener: DeallocListener) = withWorker {
|
|
assertTrue(deallocListener.deallocExecutorIsNil())
|
|
|
|
val obj = object : DeallocExecutor() {}
|
|
deallocListener.deallocExecutor = obj
|
|
obj.deallocListener = deallocListener
|
|
|
|
assertFalse(deallocListener.deallocExecutorIsNil())
|
|
|
|
// TODO: can't actually test, Obj-C runtime doesn't expect _tryRetain throwing an exception.
|
|
// runInWorker {
|
|
// assertFailsWith<IncorrectDereferenceException> {
|
|
// deallocListener.deallocExecutorIsNil()
|
|
// }
|
|
// }
|
|
|
|
obj.freeze()
|
|
|
|
runInWorker {
|
|
// [deallocListener.deallocExecutorIsNil()] calls deallocExecutor getter, which retains [obj] and either
|
|
// puts it to autoreleasepool or releases it immediately (Obj-C ARC optimization).
|
|
// Wrap the call to autoreleasepool to ensure [obj] will be released:
|
|
autoreleasepool {
|
|
assertFalse(deallocListener.deallocExecutorIsNil())
|
|
}
|
|
// Process release of Kotlin reference to [obj] in any case:
|
|
kotlin.native.runtime.GC.collect()
|
|
}
|
|
}
|