diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index 4b852e2..d51bcc7 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -32,17 +32,26 @@ class ConfigTest extends PHPUnit_Framework_TestCase
         $this->assertNotEquals('Config', get_class(Config::getInstance()));
     }
     
+    /**
+     * @expectedException Exception
+     */
     public function testArrayAsParam()
     {
         $arr = array(
                 'one' => 1,
                 'two' => 2, 
-                'three' => 3
+                'three' => 3,
+                4           => 'four'
                 );
         
         Config::set(0, $arr);
         $new_arr = Config::get(0);
         $this->assertEquals('ConfigArray', get_class($new_arr));
+        $this->assertEquals('four', $new_arr->offsetGet(4));
+        $this->assertEquals(1, $new_arr->offsetGet('one'));
+        $this->assertNotEquals(1, $new_arr->offsetGet('two'));    
+        
+        $new_arr->offsetGet(24);
     }
     
 }
\ No newline at end of file
diff --git a/tests/LoadTest.php b/tests/LoadTest.php
index c03fd96..cb7dfc1 100644
--- a/tests/LoadTest.php
+++ b/tests/LoadTest.php
@@ -56,6 +56,20 @@ class LoadTest extends PHPUnit_Framework_TestCase
 
         $autoload = require(self::$file);
         $this->assertNotEmpty($autoload);
+        Load::autoload('Action');
+    }
+    
+    public function testDebugAutoload()
+    {
+        Load::setAutoloadFrom(self::$file);
+
+        $autoload = require(self::$file);
+        $this->assertNotEmpty($autoload);
+        
+        define('DEBUG', true);
+        Load::autoload('Func');
+        Load::autoload('Captcha');
+        
     }
 
     public function testAutoloadArrayExists()
diff --git a/tests/util/AutoloadBuilderTest.php b/tests/util/AutoloadBuilderTest.php
index ce61a7d..d852a81 100644
--- a/tests/util/AutoloadBuilderTest.php
+++ b/tests/util/AutoloadBuilderTest.php
@@ -10,6 +10,7 @@
  * Unit tests for AutoloadBuilder class
  */
 
+require_once 'vfsStream/vfsStream.php';
 require_once dirname(__FILE__) . '/../../util/AutoloadBuilder.php';
 
 /**
@@ -65,12 +66,40 @@ class AutoloadBuilderTest extends PHPUnit_Framework_TestCase
         $builder->build();        
     }
     
+    public function testBuild()
+    {
+        $builder = new AutoloadBuilder(self::$file, array(PATH . '/' . APP . '/src', PATH . '/' . APP . '/cache', PATH . '/lib'));
+
+        $builder->build();  
+        
+        $this->assertFileExists(self::$file);
+    }    
         
     public function testAutoloadFileExists()
     {
         $this->assertFileExists(self::$file);
     }
         
+    public function testAutoloadArray()
+    {
+        $this->assertFileExists(self::$file);
+        $array = require self::$file;
+        $this->assertInternalType('array', $array);
+        $this->assertNotEmpty($array);
+    }
+        
+    /** 
+     * @expectedException PHPUnit_Framework_Error
+     */
+    public function testAccessDenied()
+    {
+        chmod(self::$file, 0400);
+        $builder = new AutoloadBuilder(self::$file, array(PATH . '/' . APP . '/src', PATH . '/' . APP . '/cache', PATH . '/lib'));
+
+        $builder->build();  
+        chmod(self::$file, 0777);
+    }
+    
     public static function tearDownAfterClass()
     {
         if (file_exists(self::$file)) {