--TEST-- imagepalettetotruecollor must return an error if not an image resource is given --CREDITS-- Carlos André Ferrari <caferrari [at] gmail [dot] com> --SKIPIF-- <?php if (!extension_loaded('gd')) die("skip gd extension not available."); ?> --FILE-- <?php $im = fopen('php://memory', 'w'); imagepalettetotruecolor($im); ?> --EXPECTF-- Warning: imagepalettetotruecolor(): supplied resource is not a valid Image resource in %s on line %d