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Completely mechanical changes: - Explicit @objc in a few places - Some imported APIs changed - For the mix-and-match tests, just test version 4/5 instead of 3/4
75 lines
2.1 KiB
Swift
75 lines
2.1 KiB
Swift
// RUN: %target-run-simple-swift | %FileCheck %s
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// REQUIRES: executable_test
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// REQUIRES: objc_interop
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import Foundation
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var kvoContext = 0
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class Model : NSObject {
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@objc dynamic var name = ""
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@objc dynamic var number = 0
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}
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class Observer : NSObject {
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@objc let model = Model()
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override init() {
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super.init()
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model.addObserver(self, forKeyPath: "name", options: [], context: &kvoContext)
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self.addObserver(self, forKeyPath: "model.number", options: [], context: &kvoContext)
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}
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deinit {
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self.removeObserver(self, forKeyPath: "model.number")
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model.removeObserver(self, forKeyPath: "name")
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}
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func test() {
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model.name = "abc"
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model.number = 42
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}
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override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
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if context != &kvoContext {
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// FIXME: we shouldn't need to unwrap these here, but it doesn't work on
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// older SDKs where these are non-optional types.
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return super.observeValue(forKeyPath: keyPath!, of: object!, change: change!, context: context)
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}
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print((object! as AnyObject).value(forKeyPath: keyPath!))
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}
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}
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// CHECK: abc
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// CHECK-NEXT: 42
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Observer().test()
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class Foo: NSObject {
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let foo = 0
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}
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let foo = Foo()
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foo.addObserver(foo, forKeyPath: "foo", options: [], context: &kvoContext)
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let bar = foo.foo
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// CHECK-NEXT: 0
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print(bar)
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let fooClass: AnyClass = object_getClass(foo)!
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precondition(fooClass !== Foo.self, "no KVO subclass?")
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precondition(fooClass is Foo.Type, "improper KVO subclass")
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precondition(!(fooClass is Observer.Type), "improper KVO subclass")
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let fooClassAsObject: AnyObject = fooClass
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precondition(fooClassAsObject !== Foo.self, "no KVO subclass?")
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precondition(fooClassAsObject is Foo.Type, "improper KVO subclass")
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precondition(!(fooClassAsObject is Observer.Type), "improper KVO subclass")
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let fooClassAsAny: Any = fooClass
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precondition(fooClassAsAny is Foo.Type, "improper KVO subclass")
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precondition(!(fooClassAsAny is Observer.Type), "improper KVO subclass")
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// CHECK-NEXT: class metadata checks okay
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print("class metadata checks okay")
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