Vendor dependencies for 0.3.0 release

vendor/objc2/tests/macros_mainthreadmarker.rs

@@ -0,0 +1,86 @@
+use objc2::rc::Retained;
+use objc2::runtime::{NSObject, NSObjectProtocol};
+use objc2::{
+    declare_class, extern_methods, extern_protocol, mutability, ClassType, DeclaredClass,
+    ProtocolType,
+};
+
+extern_protocol!(
+    #[allow(clippy::missing_safety_doc)]
+    unsafe trait Proto: NSObjectProtocol {
+        #[method(myMethod:)]
+        fn protocol_method(mtm: MainThreadMarker, arg: i32) -> i32;
+
+        #[method_id(myMethodId:)]
+        fn protocol_method_id(mtm: MainThreadMarker, arg: &Self) -> Retained<Self>;
+    }
+
+    unsafe impl ProtocolType for dyn Proto {
+        const NAME: &'static str = "MainThreadMarkerTestProtocol";
+    }
+);
+
+declare_class!(
+    #[derive(PartialEq, Eq, Hash, Debug)]
+    struct Cls;
+
+    unsafe impl ClassType for Cls {
+        type Super = NSObject;
+        type Mutability = mutability::InteriorMutable;
+        const NAME: &'static str = "MainThreadMarkerTest";
+    }
+
+    impl DeclaredClass for Cls {}
+
+    unsafe impl Proto for Cls {
+        #[method(myMethod:)]
+        fn _my_mainthreadonly_method(arg: i32) -> i32 {
+            arg + 1
+        }
+
+        #[method_id(myMethodId:)]
+        fn _my_mainthreadonly_method_id(arg: &Self) -> Retained<Self> {
+            unsafe { Retained::retain(arg as *const Self as *mut Self).unwrap() }
+        }
+    }
+);
+
+unsafe impl NSObjectProtocol for Cls {}
+
+// The macro does a textual match; but when users actually use
+// `objc2_foundation::MainThreadMarker` to ensure soundness, they will not
+// do this!
+#[derive(Clone, Copy)]
+struct MainThreadMarker {
+    _some_field: u32,
+}
+
+extern_methods!(
+    unsafe impl Cls {
+        #[method_id(new)]
+        fn new(mtm: MainThreadMarker) -> Retained<Self>;
+
+        #[method(myMethod:)]
+        fn method(mtm: MainThreadMarker, arg: i32, mtm2: MainThreadMarker) -> i32;
+
+        #[method_id(myMethodId:)]
+        fn method_id(mtm: MainThreadMarker, arg: &Self, mtm2: MainThreadMarker) -> Retained<Self>;
+    }
+);
+
+#[test]
+fn call() {
+    let mtm = MainThreadMarker { _some_field: 0 };
+    let obj1 = Cls::new(mtm);
+
+    let res = Cls::method(mtm, 2, mtm);
+    assert_eq!(res, 3);
+    let res = Cls::protocol_method(mtm, 3);
+    assert_eq!(res, 4);
+
+    let obj2 = Cls::method_id(mtm, &obj1, mtm);
+    assert_eq!(obj1, obj2);
+
+    let obj2 = Cls::protocol_method_id(mtm, &obj1);
+    assert_eq!(obj1, obj2);
+}