Add tests for no-gesture interop

test/unit/gestures-elements.html

@@ -205,3 +205,17 @@
     });
   </script>
 </dom-module>
+
+<dom-module id="x-no-gesture">
+  <template>
+    <button id="one" on-click="handle" on-down="noop">One</button>
+    <button id="two" on-click="handle">Two</button>
+  </template>
+  <script>
+  Polymer({
+    is: 'x-no-gesture',
+    behaviors: [EventCaptureBehavior],
+    noop: function(){}
+  })
+  </script>
+</dom-module>

test/unit/gestures.html

@@ -489,6 +489,43 @@
           assert.isNull(r.info.upfn, r.name + ' upfn');
         });
       });
+
+      suite('Interop', function() {
+        teardown(function() {
+          Polymer.Gestures.resetMouseCanceller();
+        });
+        function tap(target) {
+          var options = {bubbles: true, cancelable: true};
+          ['touchstart', 'touchmove', 'touchend'].forEach(function(n) {
+            var ev = new CustomEvent(n, options);
+            ev.touches = ev.changedTouches = [
+              {
+                clientX: 0,
+                clientY: 0,
+                identifier: 1,
+                target: target
+              }
+            ];
+            ev.clientX = 0;
+            ev.clientY = 0;
+            target.dispatchEvent(ev);
+          });
+          ['mousedown', 'mousemove', 'mouseup', 'click'].forEach(function(n) {
+            var ev = new CustomEvent(n, options);
+            ev.button = 0;
+            ev.buttons = 1;
+            target.dispatchEvent(ev);
+          });
+        }
+        test('elements without gestures click reliably', function() {
+          var el = document.createElement('x-no-gesture');
+          document.body.appendChild(el);
+          CustomElements.takeRecords();
+          tap(el.$.one);
+          tap(el.$.two);
+          assert.equal(el.stream.length, 2);
+        });
+      });
     });
   </script>