diff --git a/tests/ZendTest/Validator/IsInstanceOfTest.php b/tests/ZendTest/Validator/IsInstanceOfTest.php
index 71c2b7f1875..de89628255e 100644
--- a/tests/ZendTest/Validator/IsInstanceOfTest.php
+++ b/tests/ZendTest/Validator/IsInstanceOfTest.php
@@ -96,4 +96,13 @@ public function testEqualsMessageVariables()
             $validator->getOption('messageVariables')
         );
     }
+
+    public function testPassTraversableToConstructor()
+    {
+        $validator = new Validator\IsInstanceOf(new \ArrayIterator(array('className' => 'DateTime')));
+        $this->assertEquals('DateTime', $validator->getClassName());
+        $this->assertTrue($validator->isValid(new DateTime()));
+        $this->assertFalse($validator->isValid(null));
+        $this->assertFalse($validator->isValid($this));
+    }
 }