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590c33ed70
The code to copy the refcounts from the object to a new side table wasn't quite right on 32-bit. Fix it to copy the PureSwiftDealloc field, and if the object is immortal, mark the side table's refcount as immortal too. rdar://121943608
134 lines
3.4 KiB
Swift
134 lines
3.4 KiB
Swift
// RUN: %target-run-simple-swift | %FileCheck %s
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// REQUIRES: executable_test
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protocol Protocol : class {
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func noop()
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}
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//========================== Test pure Swift classes ==========================
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class SwiftClassBase : Protocol {
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func noop() { print("noop") }
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}
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class SwiftClass : SwiftClassBase {
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override init() {
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print("SwiftClass Created")
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}
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deinit {
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print("SwiftClass Destroyed")
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}
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}
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func printState(_ x : SwiftClassBase?) {
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print((x != nil) ? "is present" : "is nil")
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}
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func testSwiftClass() {
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print("testSwiftClass") // CHECK: testSwiftClass
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weak var w : SwiftClassBase?
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printState(w) // CHECK-NEXT: is nil
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var c : SwiftClassBase = SwiftClass() // CHECK: SwiftClass Created
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printState(w) // CHECK-NEXT: is nil
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w = c
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printState(w) // CHECK-NEXT: is present
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c.noop() // CHECK-NEXT: noop
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c = SwiftClassBase() // CHECK-NEXT: SwiftClass Destroyed
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printState(w) // CHECK-NEXT: is nil
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}
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testSwiftClass()
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func testSwiftImplicitOptionalClass() {
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print("testSwiftImplicitOptionalClass") // CHECK: testSwiftImplicitOptionalClass
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weak var w : SwiftClassBase!
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printState(w) // CHECK-NEXT: is nil
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var c : SwiftClassBase = SwiftClass() // CHECK: SwiftClass Created
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printState(w) // CHECK-NEXT: is nil
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w = c
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printState(w) // CHECK-NEXT: is present
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c.noop() // CHECK-NEXT: noop
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c = SwiftClassBase() // CHECK-NEXT: SwiftClass Destroyed
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printState(w) // CHECK-NEXT: is nil
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}
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testSwiftImplicitOptionalClass()
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func testWeakInLet() {
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print("testWeakInLet") // CHECK-LABEL: testWeakInLet
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struct WeakBox {
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weak var value: SwiftClassBase?
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}
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var obj: SwiftClassBase? = SwiftClass() // CHECK: SwiftClass Created
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let box = WeakBox(value: obj)
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printState(box.value) // CHECK-NEXT: is present
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obj = nil // CHECK-NEXT: SwiftClass Destroyed
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printState(box.value) // CHECK-NEXT: is nil
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}
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testWeakInLet()
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//======================== Test Classbound Protocols ========================
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func printState(_ x : Protocol?) {
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print((x != nil) ? "is present" : "is nil")
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}
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func testProtocol() {
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print("testProtocol") // CHECK: testProtocol
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weak var w : Protocol?
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printState(w) // CHECK-NEXT: is nil
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var c : SwiftClassBase = SwiftClass() // CHECK: SwiftClass Created
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printState(w) // CHECK-NEXT: is nil
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w = c
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printState(w) // CHECK-NEXT: is present
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c.noop() // CHECK-NEXT: noop
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c = SwiftClassBase() // CHECK-NEXT: SwiftClass Destroyed
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printState(w) // CHECK-NEXT: is nil
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}
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testProtocol()
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protocol P : class { }
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func test_rdar15293354() {
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weak var x : P? = .none
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if x != nil {
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_ = x!
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}
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}
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test_rdar15293354()
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func testStaticObject() {
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print("testStaticObject") // CHECK: testStaticObject
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enum Static {
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static let staticObject = SwiftClassBase()
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}
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weak var w: SwiftClassBase?
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printState(w) // CHECK-NEXT: is nil
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w = Static.staticObject
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printState(w) // CHECK-NEXT: is present
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}
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testStaticObject()
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