| // RUN: %target-run-simple-swift |
| // REQUIRES: executable_test |
| |
| // REQUIRES: objc_interop |
| |
| // |
| // These tests should work *without* Foundation being present |
| // |
| |
| // Unfortunately, StdlibUnittest brings in Foundation somehow, so we |
| // can't use it here. |
| |
| // import StdlibUnittest |
| |
| //===--- Verify that Foundation isn't loaded ------------------------------===// |
| struct No {} |
| struct Yes {} |
| func isRandomAccessCollection<T : Collection>(_: T) -> No { |
| return No() |
| } |
| func isRandomAccessCollection<T : RandomAccessCollection>(_: T) -> Yes { |
| return Yes() |
| } |
| let no = isRandomAccessCollection("".utf16) |
| let _: No = no |
| |
| //===--- Tests ------------------------------------------------------------===// |
| |
| import ObjectiveC |
| |
| func expectIsHashable<T : Hashable>(_ value: inout T) {} |
| func expectIsCVarArg<T : CVarArg>(_ value: inout T) {} |
| |
| var anNSObject = NSObject() |
| expectIsHashable(&anNSObject) |
| expectIsCVarArg(&anNSObject) |
| |
