fixed date comparison, added mocha test

jsonInput.js

@@ -7,9 +7,10 @@ var includeString = "810a6deb-46f2-4fa8-b779-bb5c2a6b5577";
 var excludeString = "bb74c170-b06f-4d2b-ab88-2f6bf9ce8068";
 
 //var _epochStart = new Date(2014, 3, 0);
-var _epochStart = new Date(2014, 4, 20);
+var _epochStart = new Date(2014, 0, 0);
 //_epochStart.setDate(_epochStart.getDate() - 30);
-var _epochEnd = new Date(_epochStart.getTime() + 90 * 24 * 3600000);
+//var _epochEnd = new Date(_epochStart.getTime() + 500 * 24 * 3600000);
+var _epochEnd = new Date(2016, 0, 0);
 var epocheSpan = [_epochStart, _epochEnd];
 
 
@@ -40,7 +41,6 @@ function calculateOpeningHours(json) {
     resultExcl.push(getOpeningHours(data, option));
   }
   resultExcl = tmUtils.orOperator(resultExcl);
-
   var allHolidays = getAllHolidays();
   resultIncl = tmUtils.orOperator(resultIncl);
   resultIncl = tmUtils.andNotOperator(resultIncl, allHolidays);
@@ -200,4 +200,5 @@ function getOpeningHoursRepeatable(data) {
   }
 }
 
-console.log(calculateOpeningHours(require('./testData/testHof.json')));
\ No newline at end of file
+var data = calculateOpeningHours(require('./testData/testHof.json'));
+console.log(data);
\ No newline at end of file

timeUtils.js

@@ -228,7 +228,7 @@ function orOperator(intervals) {
 
 function sort(intervals) {
   intervals.sort(function(a, b) {
-    return a[0] - b[0];
+    return a[0].getTime() - b[0].getTime();
   });
   return intervals;
 }
@@ -300,7 +300,7 @@ function invert(interval, epochStart, epochEnd) {
 
 function andNotOperator(interval1, interval2) {
   var epochStart = new Date(Math.min(interval1[0][0], interval2[0][0]));
-  var epochEnd = new Date(Math.min(interval1[interval1.length - 1][1], interval2[interval2.length - 1][1]));
+  var epochEnd = new Date(Math.max(interval1[interval1.length - 1][1], interval2[interval2.length - 1][1]));
 
   interval2 = invert(interval2, epochStart, epochEnd);
   return andOperator(interval1, interval2);