slint/sixtyfps_compiler/tests/basic/animate.60

SuperSimple := Rectangle {

    animate x {
        duration: 1000ms;
    }

    animate x {
//          ^error{Duplicated animation}
        duration: 1000ms;
    }

    animate y {
        nonexistent: 42;
//      ^error{Unknown property nonexistent}
    }

    animate text {
//          ^error{'text' is not an animatable property}
    }

    animate * { duration: 100ms; }
//          ^error{catch-all property is only allowed within transitions}

    animate color, foo { duration: 100ms; }
//                ^error{'foo' is not an animatable property}

    text := Text{ animate x { duration: 1000ms; } }
    animate text.x { duration: 100ms; }
//          ^error{Can only refer to property in the current element}

}