public function testSetGetARGB()
{
$object = new Color();
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Style\\Color', $object->setARGB());
$this->assertEquals(Color::COLOR_BLACK, $object->getARGB());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Style\\Color', $object->setARGB(''));
$this->assertEquals(Color::COLOR_BLACK, $object->getARGB());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Style\\Color', $object->setARGB(Color::COLOR_BLUE));
$this->assertEquals(Color::COLOR_BLUE, $object->getARGB());
}