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Annotation of embedaddon/php/ext/standard/tests/file/fread_fwrite_basic.phpt, revision 1.1.1.1

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