diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
new file mode 100644
index 0000000..4151623
--- /dev/null
+++ b/system/libraries/Unit_test.php
@@ -0,0 +1,331 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.3.1
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Unit Testing Class
+ *
+ * Simple testing class
+ *
+ * @package CodeIgniter
+ * @subpackage Libraries
+ * @category UnitTesting
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/libraries/uri.html
+ */
+class CI_Unit_test {
+
+ var $active = TRUE;
+ var $results = array();
+ var $strict = FALSE;
+ var $_template = NULL;
+ var $_template_rows = NULL;
+
+ function CI_Unit_test()
+ {
+ log_message('debug', "Unit Testing Class Initialized");
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Run the tests
+ *
+ * Runs the supplied tests
+ *
+ * @access public
+ * @param mixed
+ * @param mixed
+ * @param string
+ * @return string
+ */
+ function run($test, $expected = TRUE, $test_name = 'undefined')
+ {
+ if ($this->active == FALSE)
+ return FALSE;
+
+ if (in_array($expected, array('is_string', 'is_bool', 'is_true', 'is_false', 'is_int', 'is_numeric', 'is_float', 'is_double', 'is_array', 'is_null'), TRUE))
+ {
+ $expected = str_replace('is_float', 'is_double', $expected);
+ $result = ($expected($test)) ? TRUE : FALSE;
+ $extype = str_replace(array('true', 'false'), 'bool', str_replace('is_', '', $expected));
+ }
+ else
+ {
+ if ($this->strict == TRUE)
+ $result = ($test === $expected) ? TRUE : FALSE;
+ else
+ $result = ($test == $expected) ? TRUE : FALSE;
+
+ $extype = gettype($expected);
+ }
+
+ $back = $this->_backtrace();
+
+ $report[] = array (
+ 'test_name' => $test_name,
+ 'test_datatype' => gettype($test),
+ 'res_datatype' => $extype,
+ 'result' => ($result === TRUE) ? 'passed' : 'failed',
+ 'file' => $back['file'],
+ 'line' => $back['line']
+ );
+
+ $this->results[] = $report;
+
+ return($this->report($this->result($report)));
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Generate a report
+ *
+ * Displays a table with the test data
+ *
+ * @access public
+ * @return string
+ */
+ function report($result = array())
+ {
+ if (count($result) == 0)
+ {
+ $result = $this->result();
+ }
+
+ $this->_parse_template();
+
+ $r = '';
+ foreach ($result as $res)
+ {
+ $table = '';
+
+ foreach ($res as $key => $val)
+ {
+ $temp = $this->_template_rows;
+ $temp = str_replace('{item}', $key, $temp);
+ $temp = str_replace('{result}', $val, $temp);
+ $table .= $temp;
+ }
+
+ $r .= str_replace('{rows}', $table, $this->_template);
+ }
+
+ return $r;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Use strict comparison
+ *
+ * Causes the evaluation to use === rather then ==
+ *
+ * @access public
+ * @param bool
+ * @return null
+ */
+ function use_strict($state = TRUE)
+ {
+ $this->strict = ($state == FALSE) ? FALSE : TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Make Unit testing active
+ *
+ * Enables/disables unit testing
+ *
+ * @access public
+ * @param bool
+ * @return null
+ */
+ function active($state = TRUE)
+ {
+ $this->active = ($state == FALSE) ? FALSE : TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result Array
+ *
+ * Returns the raw result data
+ *
+ * @access public
+ * @return array
+ */
+ function result($results = array())
+ {
+ $CI =& get_instance();
+ $CI->load->language('unit_test');
+
+ if (count($results) == 0)
+ {
+ $results = $this->results;
+ }
+
+ $retval = array();
+ foreach ($results as $result)
+ {
+ $temp = array();
+ foreach ($result as $key => $val)
+ {
+ if (is_array($val))
+ {
+ foreach ($val as $k => $v)
+ {
+ if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$v))))
+ {
+ $v = $line;
+ }
+ $temp[$CI->lang->line('ut_'.$k)] = $v;
+ }
+ }
+ else
+ {
+ if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$val))))
+ {
+ $val = $line;
+ }
+ $temp[$CI->lang->line('ut_'.$key)] = $val;
+ }
+ }
+
+ $retval[] = $temp;
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set the template
+ *
+ * This lets us set the template to be used to display results
+ *
+ * @access public
+ * @params string
+ * @return void
+ */
+ function set_template($template)
+ {
+ $this->_template = $template;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Generate a backtrace
+ *
+ * This lets us show file names and line numbers
+ *
+ * @access private
+ * @return array
+ */
+ function _backtrace()
+ {
+ if (function_exists('debug_backtrace'))
+ {
+ $back = debug_backtrace();
+
+ $file = ( ! isset($back['1']['file'])) ? '' : $back['1']['file'];
+ $line = ( ! isset($back['1']['line'])) ? '' : $back['1']['line'];
+
+ return array('file' => $file, 'line' => $line);
+ }
+ return array('file' => 'Unknown', 'line' => 'Unknown');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Get Default Template
+ *
+ * @access private
+ * @return string
+ */
+ function _default_template()
+ {
+ $this->_template = '
+ <div style="margin:15px;background-color:#ccc;">
+ <table border="0" cellpadding="4" cellspacing="1" style="width:100%;">
+ {rows}
+ </table></div>';
+
+ $this->_template_rows = '
+ <tr>
+ <td style="background-color:#fff;width:140px;font-size:12px;font-weight:bold;">{item}</td>
+ <td style="background-color:#fff;font-size:12px;">{result}</td>
+ </tr>
+ ';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Parse Template
+ *
+ * Harvests the data within the template {pseudo-variables}
+ *
+ * @access private
+ * @return void
+ */
+ function _parse_template()
+ {
+ if ( ! is_null($this->_template_rows))
+ {
+ return;
+ }
+
+ if (is_null($this->_template))
+ {
+ $this->_default_template();
+ return;
+ }
+
+ if ( ! preg_match("/\{rows\}(.*?)\{\/rows\}/si", $this->_template, $match))
+ {
+ $this->_default_template();
+ return;
+ }
+
+ $this->_template_rows = $match['1'];
+ $this->_template = str_replace($match['0'], '{rows}', $this->_template);
+ }
+
+}
+// END Unit_test Class
+
+/**
+ * Helper functions to test boolean true/false
+ *
+ *
+ * @access private
+ * @return bool
+ */
+function is_true($test)
+{
+ return (is_bool($test) AND $test === TRUE) ? TRUE : FALSE;
+}
+function is_false($test)
+{
+ return (is_bool($test) AND $test === FALSE) ? TRUE : FALSE;
+}
+
+?>
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