public function testIsInternal() { $object = new Hyperlink(); $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\Shape\\Hyperlink', $object->setSlideNumber()); $this->assertTrue($object->isInternal()); $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\Shape\\Hyperlink', $object->setUrl('http://www.github.com')); $this->assertFalse($object->isInternal()); }