public function testExplosion()
{
$value = rand(0, 100);
$object = new Pie3D();
$this->assertEquals(0, $object->getExplosion());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Type\\Pie3D', $object->setExplosion($value));
$this->assertEquals($value, $object->getExplosion());
}