public function testSetLatitudeZoneValue() { $utmObject = new UTM(); $fluidReturn = $utmObject->setLatitudeZone($this->_latitudeZone); $latitudeZone = $utmObject->getLatitudeZone(); $this->assertEquals($this->_latitudeZone, $latitudeZone); // Test fluid return object $this->assertTrue(is_object($fluidReturn)); // ... of the correct type $this->assertTrue(is_a($fluidReturn, 'Geodetic\\UTM')); }