[K/N][Tests] Migrate objcSmoke & objcTests tests

^KT-61259

native/native.tests/testData/interop/objc/tests/objcWeakRefs.kt

@@ -0,0 +1,52 @@
+@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()
+    }
+}