point.toString method implemented

frontend-js/src/main/js/map/canvas/Point.js

@@ -22,4 +22,12 @@ function Point(x, y) {
   }
 }
 
+/**
+ *
+ * @returns {string}
+ */
+Point.prototype.toString = function () {
+  return "[" + this.x + ", " + this.y + "]";
+};
+
 module.exports = Point;

frontend-js/src/test/js/map/canvas/Point-test.js

@@ -29,4 +29,10 @@ describe('Point', function () {
     });
   });
 
+  it("toString", function () {
+    var point = new Point(12, 3);
+    assert.ok(point.toString().indexOf("12")>=0);
+    assert.ok(point.toString().indexOf("3")>=0);
+  });
+
 });