Add tests for E4x, E41 and E42
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Johan Hillerström
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1 changed files with 159 additions and 0 deletions
159
test/effects.js
vendored
159
test/effects.js
vendored
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@ -160,6 +160,143 @@ exports['test 4xy vibrato - sine'] = function(assert) {
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assert.equal(p.toFixed(3), "-1.111", 'row 6 tick 0 period -1.111');
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};
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exports['test 4xy vibrato - saw'] = function(assert) {
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var xm = testdata.resetXMData();
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// vibrato 4xy: speed x, depth y
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// full cycle is 64/speed
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xm.patterns[0] = [
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[[48, 1, -1, 14, 0x41]], // C-4 1 -- E41 - 1 = saw (ramp-down)
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[[-1, -1, -1, 4, 0x81]], // --- -- -- 481
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[[-1, -1, -1, 4, 0x00]], // --- -- -- 400
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[[-1, -1, -1, 0, 0x00]], // --- -- -- --- - no vibrato
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[[-1, -1, -1, 4, 0x00]], // --- -- -- 400 - resume vibrato @ pos 0
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];
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XMPlayer.xm.tempo = 4;
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var ch = xm.channelinfo[0];
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assert.equal(ch.vibratotype, 0, 'initial vibratotype 0');
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XMPlayer.nextTick(); // row 0 tick 0
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var p0 = ch.doff;
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assert.equal(ch.vibratotype, 1, 'row 0 tick 0 vibratotype=1');
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XMPlayer.nextTick(); // row 0 tick 1
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XMPlayer.nextTick(); // row 0 tick 2
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XMPlayer.nextTick(); // row 0 tick 3
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XMPlayer.nextTick(); // row 1 tick 0
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assert.equal(ch.periodoffset, 0, 'row 1 tick 0 periodoffset=0');
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XMPlayer.nextTick(); // row 1 tick 1
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// compute logical period p from actual play frequency
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var p = 16*12 * Math.log(p0 / ch.doff) / Math.log(2);
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assert.equal(p.toFixed(3), "0.000", 'row 1 tick 1 period +0');
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XMPlayer.nextTick(); // row 1 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "0.500", 'row 1 tick 2 period +0.500');
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XMPlayer.nextTick(); // row 1 tick 3
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "1.000", 'row 1 tick 3 period +1.000');
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XMPlayer.nextTick(); // row 2 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "1.500", 'row 2 tick 0 period +1.500');
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XMPlayer.nextTick(); // row 2 tick 1
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "1.500", 'row 2 tick 1 period +1.500');
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XMPlayer.nextTick(); // row 2 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-2.000", 'row 2 tick 2 period -2.000');
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XMPlayer.nextTick(); // row 2 tick 3
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-1.500", 'row 2 tick 3 period -1.500');
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XMPlayer.nextTick(); // row 3 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "0.000", 'row 3 tick 0 period 0 - no vibrato');
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XMPlayer.nextTick(); // row 3 tick 1
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XMPlayer.nextTick(); // row 3 tick 2
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XMPlayer.nextTick(); // row 3 tick 3
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XMPlayer.nextTick(); // row 4 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-1.000", 'row 4 tick 0 period -1.000 - vibrato resume');
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XMPlayer.nextTick(); // row 4 tick 1
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-1.000", 'row 4 tick 1 period -1.000');
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XMPlayer.nextTick(); // row 4 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-0.500", 'row 4 tick 2 period -0.500');
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XMPlayer.nextTick(); // row 4 tick 3
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "0.000", 'row 4 tick 3 period +0');
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};
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exports['test 4xy vibrato - square'] = function(assert) {
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var xm = testdata.resetXMData();
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// vibrato 4xy: speed x, depth y
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// full cycle is 64/speed
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xm.patterns[0] = [
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[[48, 1, -1, 14, 0x42]], // C-4 1 -- E42 - 2 = square
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[[-1, -1, -1, 4, 0x81]], // --- -- -- 481
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[[-1, -1, -1, 4, 0x02]], // --- -- -- 402
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[[-1, -1, -1, 4, 0x10]], // --- -- -- 410
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[[-1, -1, -1, 4, 0x03]], // --- -- -- 403
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[[-1, -1, -1, 0, 0x00]], // --- -- -- --- - no vibrato
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[[-1, -1, -1, 4, 0x00]], // --- -- -- 400 - resume vibrato @ pos 0
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];
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XMPlayer.xm.tempo = 3;
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var ch = xm.channelinfo[0];
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assert.equal(ch.vibratotype, 0, 'initial vibratotype 0');
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XMPlayer.nextTick(); // row 0 tick 0
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var p0 = ch.doff;
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assert.equal(ch.vibratotype, 2, 'row 0 tick 0 vibratotype=2');
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XMPlayer.nextTick(); // row 0 tick 1
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XMPlayer.nextTick(); // row 0 tick 2
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XMPlayer.nextTick(); // row 1 tick 0
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assert.equal(ch.periodoffset, 2, 'row 1 tick 0 periodoffset=2');
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XMPlayer.nextTick(); // row 1 tick 1
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// compute logical period p from actual play frequency
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var p = 16*12 * Math.log(p0 / ch.doff) / Math.log(2);
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assert.equal(p.toFixed(3), "2.000", 'row 1 tick 1 period +2.000');
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XMPlayer.nextTick(); // row 1 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "2.000", 'row 1 tick 2 period +2.000');
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XMPlayer.nextTick(); // row 2 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "4.000", 'row 2 tick 0 period +4.000');
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XMPlayer.nextTick(); // row 2 tick 1
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "4.000", 'row 2 tick 1 period +4.000');
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XMPlayer.nextTick(); // row 2 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "4.000", 'row 2 tick 2 period +4.000');
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XMPlayer.nextTick(); // row 3 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-4.000", 'row 3 tick 0 period -4.000');
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XMPlayer.nextTick(); // row 3 tick 1
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-4.000", 'row 3 tick 1 period -4.000');
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XMPlayer.nextTick(); // row 3 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-4.000", 'row 3 tick 2 period -4.000');
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XMPlayer.nextTick(); // row 4 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-6.000", 'row 4 tick 0 period -6.000');
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XMPlayer.nextTick(); // row 4 tick 1
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-6.000", 'row 4 tick 1 period -6.000');
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XMPlayer.nextTick(); // row 4 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-6.000", 'row 4 tick 2 period -6.000');
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XMPlayer.nextTick(); // row 4 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "0.000", 'row 4 tick 0 period 0 - no vibrato');
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XMPlayer.nextTick(); // row 4 tick 1
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XMPlayer.nextTick(); // row 4 tick 2
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XMPlayer.nextTick(); // row 5 tick 0
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-6.000", 'row 5 tick 0 period -6.000 - vibrato resume');
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XMPlayer.nextTick(); // row 5 tick 1
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-6.000", 'row 5 tick 1 period -6.000');
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XMPlayer.nextTick(); // row 5 tick 2
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p = -16*12 * Math.log(ch.doff / p0) / Math.log(2);
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assert.equal(p.toFixed(3), "-6.000", 'row 5 tick 2 period -6.000');
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};
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exports['test Axy volume slide'] = function(assert) {
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var xm = testdata.resetXMData();
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XMPlayer.xm.tempo = 6;
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@ -322,6 +459,28 @@ exports['test Hxy global volume slide'] = function(assert) {
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assert.equal(xm.global_volume, 128, 'row 3 tick 2 vol 128');
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};
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exports['test E4x set vibrato waveform'] = function(assert) {
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var xm = testdata.resetXMData();
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xm.patterns = [
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[
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[[48, 1, -1, 0, 0x00]], // C-4 1 -- --- (default waveform - sine)
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[[48, 1, -1, 14, 0x41]], // C-4 1 -- E41 (saw, ramp-down)
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[[48, 1, -1, 14, 0x42]], // C-4 1 -- E42 (square)
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[[48, 1, -1, 14, 0x43]] // C-4 1 -- E43 (random)
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]
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];
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xm.tempo = 1;
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var ch = xm.channelinfo[0];
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XMPlayer.nextTick();
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assert.equal(ch.vibratotype, 0, 'row 0 tick 0 vibratotype=0');
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XMPlayer.nextTick();
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assert.equal(ch.vibratotype, 1, 'row 1 tick 0 vibratotype=1');
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XMPlayer.nextTick();
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assert.equal(ch.vibratotype, 2, 'row 2 tick 0 vibratotype=2');
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XMPlayer.nextTick();
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assert.equal(ch.vibratotype, 3, 'row 3 tick 0 vibratotype=3');
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};
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exports['test E5x finetune override'] = function(assert) {
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var xm = testdata.resetXMData();
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// set an initial finetune so we know we're overriding it...
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