| // RUN: %target-run-simple-swift |
| // REQUIRES: executable_test |
| |
| protocol MyClassDelegate: class { |
| func didFindCureForCancer() |
| } |
| |
| |
| class MyClass { |
| |
| weak var delegate: MyClassDelegate? |
| |
| init() {} |
| |
| func findCure() { |
| // Crashes here with EXC_BAD_ACCESS. Why? -- Note that it also crashes if I replace the following line with `if let d = delegate { d.didFindCureForCancer() }` |
| delegate?.didFindCureForCancer() |
| } |
| |
| deinit { print("MyClass died") } |
| } |
| |
| |
| class AppDelegate: MyClassDelegate { |
| |
| func application() -> Bool { |
| print("starting") |
| let cureFinder = MyClass() |
| cureFinder.delegate = self |
| cureFinder.findCure() |
| |
| return true |
| } |
| |
| func didFindCureForCancer() { |
| print("about time...") |
| } |
| |
| deinit { print("AppDelegate died") } |
| } |
| |
| _ = { |
| AppDelegate().application() |
| }() |
| // CHECK-LABEL: starting |
| // CHECK-NEXT: about time... |
| // CHECK-NEXT: MyClass died |
| // CHECK-NEXT: AppDelegate died |
