public function testGetCoonsPatchMeshPDFA()
 {
     $obj = new \Com\Tecnick\Pdf\Graph\Draw(0.75, 80, 100, new \Com\Tecnick\Color\Pdf(), new \Com\Tecnick\Pdf\Encrypt\Encrypt(), true);
     $this->assertEquals('', $obj->getCoonsPatchMesh(3, 5, 7, 11));
 }