diff --git a/tests/session/SessionTest.php b/tests/session/SessionTest.php
new file mode 100644
index 0000000..5979f14
--- /dev/null
+++ b/tests/session/SessionTest.php
@@ -0,0 +1,166 @@
+<?php
+
+/*
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage UnitTests
+ * @since 2011-10-25
+ * 
+ * Unit tests for Session class
+ * @TODO: Session::destroy() - uncheck started flag after destroy
+ */
+
+require_once dirname(__FILE__) . '/../../session/Session.php';
+
+class SessionTest extends PHPUnit_Framework_TestCase
+{
+
+    private $started = null;
+
+    protected function setUp()
+    {
+        $class = new ReflectionClass('Session');
+        $this->started = $class->getProperty('started');
+        $this->started->setAccessible(true);
+        Session::start();
+        Session::destroy();
+        $this->started->setValue(null, false);
+    }
+
+    public function testStart()
+    {
+        Session::start();
+        $this->assertAttributeEquals(true, 'started', 'Session');
+    }
+
+    public function testSetGet()
+    {
+        Session::set('one', 1);
+        Session::set('two', 'three');
+        Session::set(array('first' => '1st', 'second' => '2nd'));
+        $this->assertEquals('1st', Session::get('first'));
+        $this->assertEquals('three', Session::get('two'));
+        $this->assertNotEquals('three', Session::get('thr'));
+    }
+
+    public function testNullKey()
+    {
+        $this->assertNull(Session::get());
+        Session::start();
+        $this->assertEmpty(Session::get());
+    }
+
+    public function testReturnDefaultValue()
+    {
+        Session::start();
+        $this->assertEquals(1, Session::get('key', 1));
+    }
+
+    public function testDestroyedGet()
+    {
+        $this->assertFalse($this->started->getValue());
+        $_COOKIE[session_name()] = session_name();
+        $this->assertEquals(1, Session::get('key', 1));
+    }
+
+    public function testDel()
+    {
+        Session::set('one', 1);
+        Session::set('two', 'three');
+        $this->assertEquals('three', Session::get('two'));
+        Session::del('two');
+        $this->assertNull(Session::get('two'));
+    }
+
+    public function testDestroyedDel()
+    {
+        Session::del('two');
+        $this->assertNull(Session::get('two'));
+        $this->assertFalse($this->started->getValue());
+        $_COOKIE[session_name()] = session_name();
+        Session::del('two');
+        $this->assertNull(Session::get('two'));
+    }
+
+    public function testRegenerateId()
+    {
+        $this->assertEmpty(session_id());
+        Session::start();
+        $ssid = Session::getId();
+        $this->assertNotEmpty($ssid);
+        Session::regenerateId();
+        $new_ssid = Session::getId();
+        $this->assertNotEmpty($new_ssid);
+        $this->assertNotEquals($new_ssid, $ssid);
+    }
+
+    public function testRememberUntil()
+    {
+        Session::start();
+        $ssid = Session::getId();
+        $params = session_get_cookie_params();
+        Session::rememberUntil(400);
+        $new_ssid = Session::getId();
+        $new_params = session_get_cookie_params();
+        $this->assertNotEquals($ssid, $new_ssid);
+        $this->assertNotEquals($params, $new_params);
+        $this->assertEquals(400, $new_params['lifetime']);
+        Session::rememberUntil();
+        $new_params = session_get_cookie_params();
+        $this->assertEquals(0, $new_params['lifetime']);
+    }
+
+    public function testForget()
+    {
+        Session::start();
+        $ssid = Session::getId();
+        Session::forget();
+        $new_ssid = Session::getId();
+        $new_params = session_get_cookie_params();
+        $this->assertNotEquals($ssid, $new_ssid);
+        $this->assertEquals(0, $new_params['lifetime']);
+    }
+
+    public function testRemember()
+    {
+        Session::start();
+        $ssid = Session::getId();
+        Session::remember();
+        $new_params = session_get_cookie_params();
+        $this->assertEquals(1209600, $new_params['lifetime']);
+
+        Session::remember(-30);
+        $new_params = session_get_cookie_params();
+        $this->assertEquals(1209600, $new_params['lifetime']);
+
+        Session::remember(530);
+        $new_params = session_get_cookie_params();
+        $this->assertEquals(530, $new_params['lifetime']);
+    }
+
+    public function testExpireSessionCookie()
+    {
+        Session::start();
+        $params = session_get_cookie_params();
+        $_COOKIE[session_name()] = true;
+        Session::expireSessionCookie();
+        $this->assertNotNull($_COOKIE);
+    }
+
+    public function testSetSessionHandler()
+    {
+        Session::setSessionHandler('Handler');
+        $this->assertTrue(TRUE);
+    }
+}
+
+class Handler
+{
+        public function open(){}
+        public function close(){}
+        public function read(){}
+        public function write(){}
+        public function destroy(){}
+        public function gc(){}
+}
\ No newline at end of file