/**
  * Checks the render circles method
  */
 public function testRenderCircles()
 {
     $mapTest = new Model\Map();
     $circleTest = new Overlays\Circle();
     $circleTest->setCenter(new Base\Coordinate(1.1, 2.1, true));
     $circleTest->setRadius(2);
     $mapTest->addCircle($circleTest);
     $this->assertEquals(self::$mapHelper->renderCircles($mapTest), 'var ' . $circleTest->getJavascriptVariable() . ' = new google.maps.Circle({"map":' . $mapTest->getJavascriptVariable() . ',"center":new google.maps.LatLng(1.1, 2.1, true),"radius":2});' . PHP_EOL);
 }