public function testIfGetLatsWorksAsExpected() { $polygon = new Polygon(); $polygon->addPoint(new Coordinate(10, 20)); $polygon->addPoint(new Coordinate(10, 40)); $polygon->addPoint(new Coordinate(30, 40)); $polygon->addPoint(new Coordinate(30, 20)); $expected = array(10, 10, 30, 30); $this->assertEquals($expected, $polygon->getLats()); }