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Annotation of embedaddon/php/ext/standard/tests/file/fseek_variation3.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Test fseek() function : variation functionality beyond file boundaries 
        !             3: --CREDITS--
        !             4: Dave Kelsey <d_kelsey@uk.ibm.com>
        !             5: --FILE--
        !             6: <?php
        !             7: /* Prototype  : proto int fseek(resource fp, int offset [, int whence])
        !             8:  * Description: Seek on a file pointer 
        !             9:  * Source code: ext/standard/file.c
        !            10:  * Alias to functions: gzseek
        !            11:  */
        !            12: 
        !            13: echo "*** Testing fseek() : variation - beyond file boundaries ***\n";
        !            14: 
        !            15: $outputfile = __FILE__.".tmp";
        !            16: 
        !            17: $h = fopen($outputfile, "wb+");
        !            18: for ($i = 1; $i < 10; $i++) {
        !            19:    fwrite($h, chr(0x30 + $i));
        !            20: }
        !            21: 
        !            22: echo "--- fseek beyond start of file ---\n";
        !            23: var_dump(fseek($h, -4, SEEK_SET));
        !            24: echo "after -4 seek: ".bin2hex(fread($h,1))."\n";
        !            25: var_dump(fseek($h, -1, SEEK_CUR));
        !            26: echo "after seek back 1: ".bin2hex(fread($h,1))."\n";
        !            27: var_dump(fseek($h, -20, SEEK_CUR));
        !            28: echo "after seek back 20: ".bin2hex(fread($h,1))."\n";
        !            29: 
        !            30: echo "--- fseek beyond end of file ---\n";
        !            31: var_dump(fseek($h, 16, SEEK_SET));
        !            32: fwrite($h, b"end");
        !            33: fseek($h ,0, SEEK_SET);
        !            34: $data = fread($h, 4096);
        !            35: echo bin2hex($data)."\n";
        !            36: 
        !            37: fclose($h);
        !            38: unlink($outputfile);
        !            39: 
        !            40: echo "Done";
        !            41: ?>
        !            42: --EXPECTF--
        !            43: *** Testing fseek() : variation - beyond file boundaries ***
        !            44: --- fseek beyond start of file ---
        !            45: int(-1)
        !            46: after -4 seek: 
        !            47: int(0)
        !            48: after seek back 1: 39
        !            49: int(-1)
        !            50: after seek back 20: 
        !            51: --- fseek beyond end of file ---
        !            52: int(0)
        !            53: 31323334353637383900000000000000656e64
        !            54: Done