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File: v2/tests/test4.php

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  Classes of jstar88  >  Safe IO  >  v2/tests/test4.php  >  Download  
File: v2/tests/test4.php
Role: Example script
Content type: text/plain
Description: Unit test script
Class: Safe IO
Access files using locks to prevent corruption
Author: By
Last change:
Date: 2013-08-03 09:49
Size: 910 bytes
 

Contents

Class file image Download
<?php
/**
 * This example aiming to test the behavior of CuncurrentFile.php under intensive load
*/
include ("../ConcurrentFile.php");

function 
random_string($length)
{
    
$string "";
    for (
$i 0$i <= ($length 32); $i++)
        
$string .= md5(time() + rand(099));
    
$max_start_index = (32 $i) - $length;
    
$random_string substr($stringrand(0$max_start_index), $length);
    return 
$random_string;

}

function 
test($content$n)
{
    for (
$i 0$i $n$i++)
    {
        
$file = new ConcurrentFile("data.txt");
        
$file->writeLock();
        
$file->write($content);
        
$file->write($contentfalse);
        
$contents $file->read();
        
$file->close();

        if (
$contents === ($content $content))
        {
            echo 
"ok<br>";
        }
        else
        {
            echo 
"not ok<br>";
        }
    }
}

test(random_string(1000000) , 10);

?>