public function testVisible() { $object = new Title(); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Title', $object->setVisible()); $this->assertTrue($object->isVisible()); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Title', $object->setVisible(true)); $this->assertTrue($object->isVisible()); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Title', $object->setVisible(false)); $this->assertFalse($object->isVisible()); }