diff --git a/tests/Asset/EmptyForm.php b/tests/Asset/EmptyForm.php
new file mode 100644
index 0000000..ad1e528
--- /dev/null
+++ b/tests/Asset/EmptyForm.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Bupy7\Form\Tests\Asset;
+
+use Bupy7\Form\FormAbstract;
+
+/**
+ * Empty form.
+ */
+class EmptyForm extends FormAbstract
+{
+
+}
\ No newline at end of file
diff --git a/tests/FormAbstractTest.php b/tests/FormAbstractTest.php
index 2a7c310..917c03b 100644
--- a/tests/FormAbstractTest.php
+++ b/tests/FormAbstractTest.php
@@ -5,6 +5,7 @@
 use PHPUnit_Framework_TestCase;
 use Bupy7\Form\Tests\Asset\SignInForm;
 use Bupy7\Form\Tests\Asset\SignInFilter;
+use Bupy7\Form\Tests\Asset\EmptyForm;
 
 /**
  * @author Vasilij Belosludcev <https://github.com/bupy7>
@@ -77,5 +78,15 @@ public function testInstanceInputFilter()
         $signInForm->setValues([]);
         $this->assertFalse($signInForm->isValid());
     }
+
+    /**
+     * Testing empty inputs.
+     */
+    public function testEmptyInputs()
+    {
+        $emptyForm = new EmptyForm;
+        $emptyForm->setValues([]);
+        $this->assertTrue($emptyForm->isValid());
+    }
 }