extern crate rustijvm;

fn steps(machine: &mut rustijvm::Machine, num: usize) {
    for _ in 0..num {
        machine.step().unwrap();
    }
}

#[test]
fn advanced3_wide1() {
    use rustijvm::value::Value::Int;

    let mut machine = rustijvm::Machine::new_from_file("files/advanced/test-wide1.ijvm").unwrap();
    machine.set_output(rustijvm::stubs::output_stub());

    steps(&mut machine, 6);
    assert_eq!(machine.cur_frame().get(1), Ok(&Int(0x1)));
    steps(&mut machine, 2);
    assert_eq!(machine.cur_frame().get(257), Ok(&Int(0x2)));

    steps(&mut machine, 1);
    assert_eq!(machine.get_tos(), Ok(0x1));
    steps(&mut machine, 1);
    assert_eq!(machine.get_tos(), Ok(0x2));
}

#[test]
fn advanced3_wide2() {
    use rustijvm::value::Value::Int;
    let mut machine = rustijvm::Machine::new_from_file("files/advanced/test-wide2.ijvm").unwrap();
    machine.set_output(rustijvm::stubs::output_stub());

    steps(&mut machine, 6);
    assert_eq!(machine.cur_frame().get(1), Ok(&Int(0x1)));
    steps(&mut machine, 2);
    assert_eq!(machine.cur_frame().get(32768), Ok(&Int(0x2)));

    steps(&mut machine, 1);
    assert_eq!(machine.get_tos(), Ok(0x1));
    steps(&mut machine, 1);
    assert_eq!(machine.get_tos(), Ok(0x2));
}