public function testTransition() { $object = new Slide(); $oTransition = new Transition(); $this->assertNull($object->getTransition()); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Slide', $object->setTransition()); $this->assertNull($object->getTransition()); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Slide', $object->setTransition($oTransition)); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Slide\\Transition', $object->getTransition()); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Slide', $object->setTransition(null)); $this->assertNull($object->getTransition()); }