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Annotation of embedaddon/php/ext/gd/tests/createfromwbmp2.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: imagecreatefromwbmp with invalid wbmp
        !             3: --SKIPIF--
        !             4: <?php
        !             5:        if (!function_exists('imagecreatefromwbmp')) die("skip gd extension not available\n");
        !             6:        if (!GD_BUNDLED) die("skip requires bundled GD library\n");
        !             7: ?>
        !             8: --FILE--
        !             9: <?php
        !            10: $filename = dirname(__FILE__) . '/_tmp.wbmp';
        !            11: $fp = fopen($filename,"wb");
        !            12: if (!$fp) {
        !            13:        exit("Failed to create <$filename>");
        !            14: }
        !            15: 
        !            16: //write header
        !            17: $c = 0;
        !            18: fputs($fp, chr($c), 1);
        !            19: fputs($fp, $c, 1);
        !            20: 
        !            21: //write width = 2^32 / 4 + 1
        !            22: $c = 0x84;
        !            23: fputs($fp, chr($c), 1);
        !            24: $c = 0x80;
        !            25: fputs($fp, chr($c), 1);
        !            26: fputs($fp, chr($c), 1);
        !            27: fputs($fp, chr($c), 1);
        !            28: $c = 0x01;
        !            29: fputs($fp, chr($c), 1);
        !            30: 
        !            31: /*write height = 4*/
        !            32: $c = 0x04;
        !            33: fputs($fp, chr($c), 1);
        !            34: 
        !            35: /*write some data to cause overflow*/
        !            36: for ($i=0; $i<10000; $i++) {
        !            37:        fwrite($fp, chr($c), 1);
        !            38: }
        !            39: 
        !            40: fclose($fp);
        !            41: $im = imagecreatefromwbmp($filename);
        !            42: unlink($filename);
        !            43: ?>
        !            44: --EXPECTF--
        !            45: Warning: imagecreatefromwbmp(): gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
        !            46:  in %s on line %d
        !            47: 
        !            48: Warning: imagecreatefromwbmp(): '%s' is not a valid WBMP file in %s on line %d