Florian Kistner
bd614aba0b
* Add ObjC export test with disabled generics * Retain typed generics in ObjC export stubs * Introduce ObjC variance enum to decouple stubs from Kotlin variance (cherry picked from commit 4d7c78b952a467ca3318c8c49d36b768fdc1ef9c)
72 lines
2.1 KiB
Swift
72 lines
2.1 KiB
Swift
/*
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* Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the LICENSE file.
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*/
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import Kt
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// Note: these tests rely on GC assertions: without the fix and the assertions it won't actually crash.
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// GC should fire an assertion if it obtains a reference to Kotlin object that is being (or has been) deallocated.
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private func test1() throws {
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// Attempt to make the state predictable:
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DeallocRetainKt.garbageCollect()
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DeallocRetain.deallocated = false
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try assertFalse(DeallocRetain.deallocated)
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try autoreleasepool {
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let obj = DeallocRetain()
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try obj.checkWeak()
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}
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// Runs DeallocRetain.deinit:
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DeallocRetainKt.garbageCollect()
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try assertTrue(DeallocRetain.deallocated)
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// Might crash due to double-dispose if the dealloc applied addRef/releaseRef to reclaimed Kotlin object:
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DeallocRetainKt.garbageCollect()
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}
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private class DeallocRetain : DeallocRetainBase {
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static var deallocated = false
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static var retainObject: DeallocRetain? = nil
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static weak var weakObject: DeallocRetain? = nil
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#if NO_GENERICS
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static var kotlinWeakRef: KotlinWeakReference? = nil
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#else
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static var kotlinWeakRef: KotlinWeakReference<AnyObject>? = nil
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#endif
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override init() {
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super.init()
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DeallocRetain.weakObject = self
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DeallocRetain.kotlinWeakRef = DeallocRetainKt.createWeakReference(value: self)
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}
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func checkWeak() throws {
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try assertSame(actual: DeallocRetain.weakObject, expected: self)
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try assertSame(actual: DeallocRetain.kotlinWeakRef!.value as AnyObject, expected: self)
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}
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deinit {
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DeallocRetain.retainObject = self
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DeallocRetain.retainObject = nil
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try! assertNil(DeallocRetain.weakObject)
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try! assertNil(DeallocRetain.kotlinWeakRef!.value)
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try! assertFalse(DeallocRetain.deallocated)
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DeallocRetain.deallocated = true
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}
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}
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class DeallocRetainTests : SimpleTestProvider {
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override init() {
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super.init()
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test("Test1", test1)
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}
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}
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