Location\Formatter\Polygon\GeoJSONTest::testFormatDefault PHP Method

    public function testFormatDefault()
    {
        $polygon = new Polygon();
        $polygon->addPoint(new Coordinate(10, 20));
        $polygon->addPoint(new Coordinate(20, 40));
        $polygon->addPoint(new Coordinate(30, 40));
        $polygon->addPoint(new Coordinate(30, 20));
        $json = '{ "type" : "Polygon" , "coordinates" : [ [ 20, 10 ], [ 40, 20 ], [ 40, 30 ], [ 20, 30] ] }';
        $this->assertJsonStringEqualsJsonString($json, $this->formatter->format($polygon));
    }