diff --git a/tests/debug.js b/tests/debug.js
new file mode 100644
index 0000000..738c3c0
--- /dev/null
+++ b/tests/debug.js
@@ -0,0 +1,50 @@
+'use strict';
+
+//var oS2 = require('./s2geometry.old.js').S2;
+var jS2 = require('../src/s2geometry.js').S2;
+var nS2 = require('s2geometry-node');
+
+var lat = -43.525166;
+var lng = 172.655096;
+//var id = '8678661352471920640';
+
+console.log('');
+console.log('Lat/Lng');
+console.log('=', lat + ',' + lng);
+
+//
+// Lat / Lng to XYZ
+//
+var nS2LatLng = new nS2.S2LatLng(lat, lng).toPoint();
+var nXyz = [ nS2LatLng.x(), nS2LatLng.y(), nS2LatLng.z() ];
+//var oXyz = oS2.LatLngToXYZ({ lat: lat, lng: lng });
+var jXyz = jS2.LatLngToXYZ({ lat: lat, lng: lng });
+console.log('');
+console.log('XYZ');
+console.log('=', nXyz);
+//console.log('o', oXyz);
+console.log('j', jXyz);
+
+
+var nCell = new nS2.S2CellId(nS2LatLng).parent(15);
+//var oCell = oS2.S2Cell.FromLatLng({ lat: lat, lng: lng }, 15);
+var jCell = jS2.S2Cell.FromLatLng({ lat: lat, lng: lng }, 15);
+console.log('');
+console.log('F,IJ,L');
+//console.log('=', cellN);
+//console.log('o', oCell.toString());
+console.log('j', jCell.toString());
+
+var nKey = nCell.toString();
+//var oQuad = oCell.getFaceAndQuads();
+//var oKey = oQuad[0] + '/' + oQuad[1].join('');
+var jQuad = jCell.getFaceAndQuads();
+var jKey = jQuad[0] + '/' + jQuad[1].join('');
+console.log('');
+console.log('Quadkey');
+console.log('=', nKey);
+//console.log('o', oKey);
+console.log('j', jKey);
+
+//var nCellId = new nS2.S2CellId(id);
+//console.log(nCellId.toLatLng().toString());