diff --git a/base/test/classes/helpers/ArrayHelperTest.php b/base/test/classes/helpers/ArrayHelperTest.php
index 6a903a87..83e72061 100644
--- a/base/test/classes/helpers/ArrayHelperTest.php
+++ b/base/test/classes/helpers/ArrayHelperTest.php
@@ -238,6 +238,28 @@ public function testValidateIdIsNumeric_OKArrayNotEmpty(){
         $listArray[]=2;
         $this->assertNull( ArrayHelper::validateIsArray($listArray,__METHOD__,__LINE__) );
     }
+    //-----------------------------------------------------------------------------------
+    //-----------------------------------------------------------------------------------
+    //-----------------------------------------------------------------------------------
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testFormDinDeleteRowByKeyIndex_FailNull(){
+        ArrayHelper::formDinDeleteRowByKeyIndex(null,10);
+    }
+    
+    public function testFormDinDeleteRowByKeyIndex_FailAttributeNotExist(){
+        $mock = new mockFormDinArray();
+        $array = $mock->generateTable();
+        
+        $result = ArrayHelper::formDinDeleteRowByKeyIndex($array,10);
+        
+        $expected = false;
+        $this->assertEquals($expected, $result['result']);
+        $expected = TMessage::ARRAY_KEY_NOT_EXIST;
+        $this->assertEquals($expected, $result['message']);
+    }
+    
     //-----------------------------------------------------------------------------------
     //-----------------------------------------------------------------------------------
     //-----------------------------------------------------------------------------------