crate::kernel_test!(
    fn rsdp_is_present() {
        let addr = crate::arch::boot::rsdp_address();
        assert!(addr.is_some(), "bootloader did not provide RSDP address");
        assert!(addr.unwrap() != 0, "RSDP address is zero");
    }
);

crate::kernel_test!(
    fn ioapic_has_redirections() {
        let max = crate::arch::ioapic::max_redirections();
        assert!(max > 0, "IOAPIC max_redir is 0 (not initialized or broken)");
    }
);

crate::kernel_test!(
    fn com1_routed_to_expected_vector() {
        let com1_gsi = crate::arch::ioapic::Gsi::new(4);
        let vector = crate::arch::ioapic::read_redir_vector(com1_gsi);
        assert!(
            vector == Some(crate::arch::idt::COM1_VECTOR),
            "COM1 GSI {} vector is {:?}, expected {}",
            com1_gsi,
            vector,
            crate::arch::idt::COM1_VECTOR
        );
    }
);