Vladimir Sukharev
38 lines
1.0 KiB
Kotlin
Vendored
38 lines
1.0 KiB
Kotlin
Vendored
@file:OptIn(kotlin.experimental.ExperimentalNativeApi::class, kotlin.native.runtime.NativeRuntimeApi::class)
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import kotlin.native.ref.*
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import kotlinx.cinterop.*
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import kotlin.test.*
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import objcTests.*
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@Test fun testWeakRefs() {
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testWeakReference({ createNSObject()!! })
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createAndAbandonWeakRef(NSObject())
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// Uncomment when KT-61418 fixed
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//testWeakReference({ NSArray.arrayWithArray(listOf(42)) as NSArray })
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}
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private fun testWeakReference(block: () -> NSObject) {
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val ref = autoreleasepool {
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createAndTestWeakReference(block)
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}
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kotlin.native.runtime.GC.collect()
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assertNull(ref.get())
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}
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private fun createAndTestWeakReference(block: () -> NSObject): WeakReference<NSObject> {
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val ref = createWeakReference(block)
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assertNotNull(ref.get())
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assertEquals(ref.get()!!.hash(), ref.get()!!.hash())
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return ref
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}
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private fun createWeakReference(block: () -> NSObject) = WeakReference(block())
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private fun createAndAbandonWeakRef(obj: NSObject) {
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WeakReference(obj)
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} |