clicking on rectangle caused error

frontend-js/src/main/js/map/canvas/GoogleMaps/GoogleMapsApiRectangle.js

@@ -23,6 +23,8 @@ var logger = require('../../../logger');
 function GoogleMapsApiRectangle(options) {
   Rectangle.call(this, options);
 
+  var self = this;
+
   var bounds = new google.maps.LatLngBounds();
   bounds.extend(this.getMap().fromPointToLatLng(options.bounds.getTopLeft()));
   bounds.extend(this.getMap().fromPointToLatLng(options.bounds.getRightBottom()));

frontend-js/src/test/js/map/canvas/GoogleMaps/GoogleMapsApiCanvas-test.js

@@ -6,6 +6,7 @@ var logger = require('../../../logger');
 
 var GoogleMapsApiCanvas = require('../../../../../main/js/map/canvas/GoogleMaps/GoogleMapsApiCanvas');
 var Point = require('../../../../../main/js/map/canvas/Point');
+var Bounds = require('../../../../../main/js/map/canvas/Bounds');
 
 var SelectionContextMenu = require('../../../../../main/js/gui/SelectionContextMenu');
 
@@ -18,6 +19,8 @@ describe('GoogleMapsApiCanvas', function () {
     tileSize: 256,
     width: 300,
     height: 600,
+    minZoom: 2,
+    zoom: 5,
     backgroundOverlays: [{
       id: 1,
       name: "overlay",
@@ -198,4 +201,18 @@ describe('GoogleMapsApiCanvas', function () {
     assert.equal(map.getMapCanvas().getSelectedArea(), null);
   });
 
+  it("click on rectangle", function () {
+    var canvas = new GoogleMapsApiCanvas(testDiv, testOptions);
+    var rectangle = canvas.createRectangle({
+      fillOpacity: 0.7,
+      strokeColor: "#330000",
+      strokeOpacity: 0.5,
+      strokeWeight: 1.0,
+      id:"1",
+      fillColor: "#00FF00",
+      bounds: new Bounds(new Point(0,0), new Point(2,2))
+    });
+    return google.maps.event.trigger(rectangle.getGoogleRectangle(), "click");
+  });
+
 });