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

1.1     ! misho       1: --TEST--
        !             2: fread & fwrite - Test reading and writing using a single resource
        !             3: --CREDITS--
        !             4: Dave Kelsey <d_kelsey@uk.ibm.com>
        !             5: --FILE--
        !             6: <?php
        !             7: 
        !             8: /* 
        !             9:  * proto int fwrite(resource fp, string str [, int length])
        !            10:  * Function is implemented in ext/standard/file.c
        !            11:  */ 
        !            12:  
        !            13:  /*
        !            14:  Prototype: string fread ( resource $handle [, int $length] );
        !            15:  Description: reads up to length bytes from the file pointer referenced by handle. 
        !            16:    Reading stops when up to length bytes have been read, EOF (end of file) is 
        !            17:    reached, (for network streams) when a packet becomes available, or (after 
        !            18:    opening userspace stream) when 8192 bytes have been read whichever comes first.
        !            19: */
        !            20: 
        !            21: 
        !            22: $outputfile = __FILE__.".tmp";
        !            23: 
        !            24: echo "--- testing rw moving about the file ---\n";
        !            25: $h = fopen($outputfile, 'wb+');
        !            26: $out1 = "The 1st prrt";
        !            27: $out2 = " part of the ttxt";
        !            28: $out3 = "text";
        !            29: fwrite($h, $out1);
        !            30: fseek($h, 0, SEEK_SET);
        !            31: echo "start:".fread($h, strlen($out1) - 5). "\n";
        !            32: fwrite($h, $out2);
        !            33: echo "at end:".fread($h,100)."\n";
        !            34: var_dump(feof($h));
        !            35: fseek($h, -4, SEEK_CUR);
        !            36: fwrite($h, $out3);
        !            37: fseek($h, 0, SEEK_SET);
        !            38: echo "final:".fread($h, 100)."\n";
        !            39: fclose($h);
        !            40: 
        !            41: echo "--- testing eof ---\n";
        !            42: $h = fopen($outputfile, 'ab+');
        !            43: fread($h,1024);
        !            44: var_dump(feof($h));
        !            45: fread($h,1);
        !            46: var_dump(feof($h));
        !            47: $out = "extra";
        !            48: fwrite($h, $out);
        !            49: var_dump(feof($h));
        !            50: fread($h,1);
        !            51: var_dump(feof($h));
        !            52: fseek($h, -strlen($out) + 1, SEEK_CUR);
        !            53: echo "last bytes: ".fread($h, strlen($out))."\n";
        !            54: fclose($h);
        !            55: 
        !            56: unlink($outputfile);
        !            57: 
        !            58: echo "Done";
        !            59: ?>
        !            60: --EXPECT--
        !            61: --- testing rw moving about the file ---
        !            62: start:The 1st
        !            63: at end:
        !            64: bool(true)
        !            65: final:The 1st part of the text
        !            66: --- testing eof ---
        !            67: bool(true)
        !            68: bool(true)
        !            69: bool(true)
        !            70: bool(true)
        !            71: last bytes: xtra
        !            72: Done