Function display_user

cranelift/codegen/src/ir/extname.rs:276–323

()

    #[test]
    fn display_user() {
        assert_eq!(
            ExternalName::user(UserExternalNameRef::new(0))
                .display(None)
                .to_string(),
            "userextname0"
        );
        assert_eq!(
            ExternalName::user(UserExternalNameRef::new(1))
                .display(None)
                .to_string(),
            "userextname1"
        );
        assert_eq!(
            ExternalName::user(UserExternalNameRef::new((u32::MAX - 1) as _))
                .display(None)
                .to_string(),
            "userextname4294967294"
        );

        let mut func_params = FunctionParameters::new();

        // ref 0
        func_params.ensure_user_func_name(UserExternalName {
            namespace: 13,
            index: 37,
        });

        // ref 1
        func_params.ensure_user_func_name(UserExternalName {
            namespace: 2,
            index: 4,
        });

        assert_eq!(
            ExternalName::user(UserExternalNameRef::new(0))
                .display(Some(&func_params))
                .to_string(),
            "u13:37"
        );

        assert_eq!(
            ExternalName::user(UserExternalNameRef::new(1))
                .display(Some(&func_params))
                .to_string(),
            "u2:4"
        );
    }

    #[test]
    fn parsing() {