Fixes bendavis78#162 - Swipe to the next month doesn't work

package.json

@@ -18,7 +18,7 @@
     "merge-stream": "^0.1.8",
     "portfinder": "^0.4.0",
     "vinyl-paths": "^1.0.0",
-    "web-component-tester": "^3.3.3"
+    "web-component-tester": "^5.0.0"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"

paper-calendar.html

@@ -523,7 +523,7 @@
         }.bind(this));
       },
       _swipeNextMonth: function() {
-        if (!this.maxDate || this.currentMonth < this.maxDate.getMonth() + 1) {
+        if (!this.maxDate || moment([this.currentYear, this.currentMonth, 1]).isSameOrBefore(this.maxDate, 'month')) {
           this._translateX(-this._containerWidth * 2, 'swipe', function() {
             this.set('_contentClass', '');
             this.transform('translateX(' + this._startPos + 'px)', this.$.months);
@@ -612,6 +612,8 @@
           this.currentYear = year;
           this.currentMonth = month;
         }
+        console.log('ON SWIPE');
+        console.log(this.currentMonth);
       },
       _prevMonth: function() {
         this._incrMonth(-1);

test/paper-date-picker.html

@@ -21,6 +21,16 @@
     </template>
   </test-fixture>
 
+  <test-fixture id="max-date-on-next-year-fixture">
+    <template>
+      <paper-date-picker
+        id="picker"
+        date="November 1, 2016"
+        max-date="February 28, 2017">
+      </paper-date-picker>
+    </template>
+  </test-fixture>
+
   <script>
 
     describe('paper-date-picker', function() {
@@ -61,6 +71,27 @@
 
       });
 
+      context('with max-date on next year', function () {
+        beforeEach(function() {
+          element = fixture('max-date-on-next-year-fixture');
+        });
+
+        it('should swipe until max date', function(done) {
+          // Try to swipe after the max bound
+          var calendar = element.$$('paper-calendar');
+          calendar._swipeNextMonth();
+          calendar._swipeNextMonth();
+          calendar._swipeNextMonth();
+          calendar._swipeNextMonth();
+
+          setTimeout(function() {
+            expect(calendar.currentMonth).to.equal(2);
+            expect(calendar.currentYear).to.equal(2017);
+            done();
+          }, 500);
+        });
+      });
+
     });
 
   </script>