Function interface_dependency

src/toposort.rs:301–317

()

    #[test]
    fn interface_dependency() {
        let iface = make_class("MyInterface");
        let mut c = make_class("MyClass");
        c.interfaces = vec![crate::atom::atom("MyInterface")];

        let classes = vec![
            ("MyClass".to_string(), &c),
            ("MyInterface".to_string(), &iface),
        ];

        let sorted = toposort_classes(classes.into_iter());

        let pos_i = sorted.iter().position(|s| s == "MyInterface").unwrap();
        let pos_c = sorted.iter().position(|s| s == "MyClass").unwrap();

        assert!(pos_i < pos_c, "MyInterface must come before MyClass");
    }

    #[test]
    fn mixin_dependency() {