| // RUN: %target-run-simple-swift | %FileCheck %s |
| // REQUIRES: executable_test |
| |
| // REQUIRES: objc_interop |
| // REQUIRES: OS=macosx |
| |
| // rdar://20990451 is tracking the fix for compiling this test optimized. |
| // XFAIL: swift_test_mode_optimize |
| // XFAIL: swift_test_mode_optimize_size |
| // XFAIL: swift_test_mode_optimize_unchecked |
| |
| import Foundation |
| |
| protocol Fooable { |
| func foo() |
| } |
| |
| func fooify<T>(_ x: T) { |
| if let foo = x as? Fooable { |
| foo.foo() |
| } else { |
| print("not fooable") |
| } |
| } |
| |
| extension NSRect: Fooable { |
| func foo() { print("NSRect") } |
| } |
| |
| extension CFSet: Fooable { |
| func foo() { print("CFSet") } |
| } |
| |
| extension NSString: Fooable { |
| func foo() { print("NSString") } |
| } |
| |
| fooify(NSRect()) // CHECK: NSRect |
| fooify(NSPoint()) // CHECK-NEXT: not fooable |
| // FIXME: CF types get their ObjC class dynamically looked up during dynamic |
| // casting. |
| fooify(CFSetCreate(kCFAllocatorDefault, nil, 0, nil)!) // TODO-NEXT: CFSet CHECK-NEXT: not fooable |
| fooify(CFArrayCreate(kCFAllocatorDefault, nil, 0, nil)!) // CHECK-NEXT: not fooable |
| fooify(NSString()) // CHECK-NEXT: NSString |
| fooify(NSMutableString()) // CHECK-NEXT: NSString |
| fooify(NSSet()) // CHECK-NEXT: not fooable |
| |
