public function testGetSetTooltip() { $object = new Hyperlink(); $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\Shape\\Hyperlink', $object->setTooltip()); $this->assertEmpty($object->getTooltip()); $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\Shape\\Hyperlink', $object->setTooltip('TEST')); $this->assertEquals('TEST', $object->getTooltip()); }