diff --git a/cake/tests/cases/libs/controller/components/cookie.test.php b/cake/tests/cases/libs/controller/components/cookie.test.php
index 5e3751f8b..a9385a2c2 100644
--- a/cake/tests/cases/libs/controller/components/cookie.test.php
+++ b/cake/tests/cases/libs/controller/components/cookie.test.php
@@ -450,6 +450,21 @@ class CookieComponentTest extends CakeTestCase {
 		$this->assertNull($this->Controller->Cookie->read('value'));
 	}
 
+/**
+ * test that deleting a top level keys kills the child elements too.
+ *
+ * @return void
+ */
+	function testDeleteRemovesChildren() {
+		$_COOKIE['CakeTestCookie'] = array('User' => array('email' => 'example@example.com', 'name' => 'mark'));
+		$this->Controller->Cookie->startup();
+		$this->assertEqual('mark', $this->Controller->Cookie->read('User.name'));
+
+		$this->Controller->Cookie->delete('User');
+		$this->assertFalse($this->Controller->Cookie->read('User.email'));
+		$this->Controller->Cookie->destroy();
+	}
+
 /**
  * encrypt method
  *