jsxm/test/effects.js
2015-11-12 10:57:02 -08:00

85 lines
3 KiB
JavaScript

var XMPlayer = window.XMPlayer;
// TODO:
// - portamento 3xx
// - vibrato 4xy
// - volume slide Axy
// - porta+vol 5xy
// - etc etc
tests['test 0xy arpeggio'] = function(assert) {
var xm = testdata.resetXMData();
// [pat][row][channel]
xm.patterns[0][0][0] = [48, 1, -1, 0, 0x4f]; // C-4 1 -- 04f
XMPlayer.xm.tempo = 4;
XMPlayer.nextTick();
var ch = xm.channelinfo[0];
assert.equal(ch.note, 48, 'note 0');
assert.equal(ch.period, 1152, 'row 0 tick 0 period 0');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 16*4, 'row 0 tick 1 period 4');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 16*15, 'row 0 tick 2 period f');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 16*0, 'row 0 tick 3 period 0');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 16*0, 'row 1 tick 0 period 0');
};
tests['test 1xx slide up'] = function(assert) {
var xm = testdata.resetXMData();
// [pat][row][channel]
xm.patterns[0][0][0] = [48, 1, -1, 1, 0x01]; // C-4 1 -- 101
xm.patterns[0][1][0] = [-1, -1, -1, 1, 0x00]; // --- -- -- 100
XMPlayer.xm.tempo = 3;
XMPlayer.nextTick();
var ch = xm.channelinfo[0];
assert.equal(ch.period, 1152, 'row 0 tick 0 period 0');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 1, 'row 0 tick 1 period -1');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 2, 'row 0 tick 2 period -2');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 2, 'row 1 tick 0 period -2');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 3, 'row 1 tick 1 period -3');
};
tests['test 2xx slide down'] = function(assert) {
var xm = testdata.resetXMData();
// [pat][row][channel]
xm.patterns[0][0][0] = [48, 1, -1, 2, 0x01]; // C-4 1 -- 201
xm.patterns[0][1][0] = [-1, -1, -1, 2, 0x00]; // --- -- -- 200
XMPlayer.xm.tempo = 3;
XMPlayer.nextTick();
var ch = xm.channelinfo[0];
assert.equal(ch.period, 1152, 'row 0 tick 0 period 0');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 + 1, 'row 0 tick 1 period -1');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 + 2, 'row 0 tick 2 period -2');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 + 2, 'row 1 tick 0 period -2');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 + 3, 'row 1 tick 1 period -3');
};
tests['test 3xx portamento'] = function(assert) {
var xm = testdata.resetXMData();
// [pat][row][channel]
xm.patterns[0][0][0] = [48, 1, -1, 0, 0x00]; // C-4 1 -- 000
xm.patterns[0][1][0] = [49, 1, -1, 3, 0x09]; // C#4 1 -- 309
XMPlayer.xm.tempo = 3;
XMPlayer.nextTick(); // row 0 tick 0
var ch = xm.channelinfo[0];
assert.equal(ch.period, 1152, 'row 0 tick 0 period 0');
XMPlayer.nextTick(); // row 0 tick 1
XMPlayer.nextTick(); // row 0 tick 2
XMPlayer.nextTick(); // row 1 tick 0
assert.equal(ch.period, 1152, 'row 1 tick 0 period 0');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 9, 'row 1 tick 1 period -9');
XMPlayer.nextTick();
assert.equal(ch.period, 1152 - 16, 'row 1 tick 2 period -16');
};