1 files changed, 10 insertions, 0 deletions
diff --git a/Core/Tests/Authentication/AuthenticationProviderManagerTest.php b/Core/Tests/Authentication/AuthenticationProviderManagerTest.php
index df25874..cc8b7c0 100644
--- a/Core/Tests/Authentication/AuthenticationProviderManagerTest.php
+++ b/Core/Tests/Authentication/AuthenticationProviderManagerTest.php
@@ -27,6 +27,16 @@ class AuthenticationProviderManagerTest extends \PHPUnit_Framework_TestCase
         new AuthenticationProviderManager(array());
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testAuthenticateWithProvidersWithIncorrectInterface()
+    {
+        new AuthenticationProviderManager(array(
+            new \stdClass(),
+        ));
+    }
+
     public function testAuthenticateWhenNoProviderSupportsToken()
     {
         $manager = new AuthenticationProviderManager(array(