use resid::external_filter::ExternalFilter;
use resid::ChipModel;

#[rustfmt::skip]
static RESID_OUTPUT: [i32; 41] = [
    0, -100, -184, -255, -314, -362, -400, -429,
    -450, -464, -471, -472, -468, -460, -447, -431,
    -411, -388, -362, -334, -303, -270, -236, -200,
    -162, -123, -83, -42, 0, 42, 85, 129,
    173, 218, 263, 309, 355, 402, 449, 496,
    544
];

#[rustfmt::skip]
static RESID_DELTA_OUTPUT: [i32; 41] = [
    -989, -927, -864, -801, -738, -675, -612, -549,
    -486, -423, -360, -297, -234, -171, -108, -45,
    8, 58, 108, 158, 208, 258, 308, 358,
    408, 458, 508, 558, 608, 658, 708, 758,
    808, 858, 908, 958, 1008, 1058, 1108, 1158,
    1208
];

#[test]
fn clock() {
    let mut ext_filter = ExternalFilter::new(ChipModel::Mos6581);
    let mut index = 0usize;
    let mut vi = -1000;
    while vi <= 1000 {
        ext_filter.clock(vi);
        let output = ext_filter.output();
        assert_eq!(output, RESID_OUTPUT[index]);
        vi += 50;
        index += 1;
    }
}

#[test]
fn clock_delta() {
    let mut ext_filter = ExternalFilter::new(ChipModel::Mos6581);
    let mut index = 0usize;
    let mut vi = -1000;
    while vi <= 1000 {
        ext_filter.clock_delta(100, vi);
        let output = ext_filter.output();
        assert_eq!(output, RESID_DELTA_OUTPUT[index]);
        vi += 50;
        index += 1;
    }
}