diff --git a/tests/codeigniter/libraries/User_agent_test.php b/tests/codeigniter/libraries/User_agent_test.php
new file mode 100644
index 0000000..d1d950c
--- /dev/null
+++ b/tests/codeigniter/libraries/User_agent_test.php
@@ -0,0 +1,91 @@
+<?php
+
+require BASEPATH.'libraries/User_agent.php';
+
+// This class needs some work...
+
+class UserAgent_test extends CI_TestCase
+{
+	protected $_user_agent = 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_7; en-us) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27';
+	protected $_mobile_ua = 'Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7';
+	
+	public function setUp()
+	{
+		// set a baseline user agent
+		$_SERVER['HTTP_USER_AGENT'] = $this->_user_agent;
+		
+		$obj = new StdClass;
+		$obj->agent = new CI_User_agent();
+		
+		$this->ci_instance($obj);
+		
+		$this->agent = $obj->agent;
+	}
+
+	// --------------------------------------------------------------------
+
+	public function testAcceptLang()
+	{
+		$_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'en';
+
+		$this->assertEquals('en', $this->agent->accept_lang());
+
+		unset($_SERVER['HTTP_ACCEPT_LANGUAGE']);
+	}
+
+	// --------------------------------------------------------------------
+
+	public function testMobile()
+	{
+		// Mobile Not Set
+		$_SERVER['HTTP_USER_AGENT'] = $this->_mobile_ua;
+		$this->assertEquals('', $this->agent->mobile());
+		unset($_SERVER['HTTP_USER_AGENT']);
+	}
+
+	// --------------------------------------------------------------------
+
+	public function testUtilIsFunctions()
+	{
+		$this->assertTrue($this->agent->is_browser());
+		$this->assertFalse($this->agent->is_robot());
+		$this->assertFalse($this->agent->is_mobile());
+		$this->assertFalse($this->agent->is_referral());
+	}
+
+	// --------------------------------------------------------------------
+
+	public function testAgentString()
+	{
+		$this->assertEquals($this->_user_agent, $this->agent->agent_string());
+	}
+
+	// --------------------------------------------------------------------
+
+	public function testBrowserInfo()
+	{
+		$this->assertEquals('Mac OS X', $this->agent->platform());
+		$this->assertEquals('Safari', $this->agent->browser());
+		$this->assertEquals('533.20.27', $this->agent->version());
+		$this->assertEquals('', $this->agent->robot());
+		$this->assertEquals('', $this->agent->referrer());
+	}
+	
+	// --------------------------------------------------------------------
+
+	public function testCharsets()
+	{
+		$_SERVER['HTTP_ACCEPT_CHARSET'] = 'utf8';
+		
+		$charsets = $this->agent->charsets();
+		
+		$this->assertEquals('utf8', $charsets[0]);
+		
+		unset($_SERVER['HTTP_ACCEPT_CHARSET']);
+		
+		$this->assertFalse($this->agent->accept_charset());
+	}
+
+	// --------------------------------------------------------------------
+
+}
\ No newline at end of file