| // RUN: %empty-directory(%t) |
| // RUN: %target-build-swift %s -o %t/Assert_Debug -Onone |
| // RUN: %target-build-swift %s -Xfrontend -disable-access-control -o %t/Assert_Release -O |
| // RUN: %target-build-swift %s -Xfrontend -disable-access-control -o %t/Assert_Unchecked -Ounchecked |
| // |
| // RUN: %target-run %t/Assert_Debug |
| // RUN: %target-run %t/Assert_Release |
| // RUN: %target-run %t/Assert_Unchecked |
| // REQUIRES: executable_test |
| |
| import StdlibUnittest |
| |
| |
| func returnNil() -> AnyObject? { |
| return _opaqueIdentity(nil as AnyObject?) |
| } |
| |
| var OptionalTraps = TestSuite("OptionalTraps") |
| |
| OptionalTraps.test("UnwrapNone") |
| .skip(.custom( |
| { _isFastAssertConfiguration() }, |
| reason: "this trap is not guaranteed to happen in -Ounchecked")) |
| .code { |
| var a: AnyObject? = returnNil() |
| expectCrashLater() |
| let unwrapped: AnyObject = a! |
| _blackHole(unwrapped) |
| } |
| |
| OptionalTraps.test("UnwrapNone/Ounchecked") |
| .xfail(.custom( |
| { !_isFastAssertConfiguration() }, |
| reason: "unwrapping nil should trap unless we are in -Ounchecked mode")) |
| .code { |
| var a: AnyObject? = returnNil() |
| expectEqual(0, unsafeBitCast(a!, to: Int.self)) |
| } |
| |
| runAllTests() |
| |
