Add round 1 of tests

test/testdata.js

@@ -0,0 +1,56 @@
+var XMPlayer = window.XMPlayer;
+
+// set up basic blank single-channel, single-pattern XM
+exports.resetXMData = function() {
+  var xm = {};
+  window.XMPlayer.xm = xm;
+  xm.channelinfo = [];
+  xm.songname = "test song";
+  xm.song_looppos = 0;
+  xm.nchan = 1;
+  xm.flags = 1;
+  xm.tempo = 3;
+  xm.bpm = 125;
+  xm.channelinfo.push({
+    number: 0,
+    filterstate: new Float32Array(3),
+    vol: 0,
+    pan: 128,
+    period: 1920 - 48*16,
+    vL: 0, vR: 0,
+    vLprev: 0, vRprev: 0,
+    mute: 0,
+    volE: 0, panE: 0,
+    retrig: 0,
+    vibratodepth: 1,
+    vibratospeed: 1,
+  });
+  xm.songpats = [0];
+  // 1 channel, 2 row blank pattern
+  xm.patterns = [
+    [
+      [[-1, -1, -1, 0, 0]],
+      [[-1, -1, -1, 0, 0]]
+    ]
+  ];
+  xm.instruments = [];
+  xm.instruments.push({
+    'name': "test instrument",
+    'number': 0,
+    'samples': [
+      { 'len': 256, 'loop': 0,
+        'looplen': 256, 'note': 0, 'fine': 0,
+        'pan': 128, 'type': 0, 'vol': 64,
+        'sampledata': new Float32Array(256)
+      }
+    ],
+    'samplemap': new Uint8Array(96),
+    'env_vol': new XMPlayer.Envelope([0, 64, 1, 0], 2, 0, 0, 0),
+    'env_pan': new XMPlayer.Envelope([0, 32], 0, 0, 0, 0)
+  });
+  // reset song position
+  XMPlayer.cur_songpos = -1;
+  XMPlayer.cur_pat = -1;
+  XMPlayer.cur_tick = xm.tempo;
+  return xm;
+};