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33 lines
714 B
Swift
33 lines
714 B
Swift
// RUN: %target-run-simple-swift | FileCheck %s
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// REQUIRES: objc_interop
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import Foundation
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// Check that ObjC associated objects are cleaned up when attached to native
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// Swift objects.
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class Root {
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deinit { print("deallocating root") }
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}
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class Associated {
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deinit { print("deallocating associated") }
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}
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var token: Int8 = 0
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// Hack to build with both older and newer SDKs.
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// rdar://problem/19494514
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extension UInt {
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static let OBJC_ASSOCIATION_RETAIN_NONATOMIC: UInt = 1
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}
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autoreleasepool {
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let root = Root()
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objc_setAssociatedObject(root, &token, Associated(),
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.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
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}
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// CHECK: deallocating root
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// CHECK-NEXT: deallocating associated
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