diff --git a/tests/Framework/AssertTest.php b/tests/Framework/AssertTest.php
index 2f157c229b2..dde215adcfd 100644
--- a/tests/Framework/AssertTest.php
+++ b/tests/Framework/AssertTest.php
@@ -3525,6 +3525,22 @@ public function testAssertCount()
         $this->fail();
     }
 
+    /**
+     * @covers PHPUnit_Framework_Assert::assertCount
+     */
+    public function testAssertCountTraversable()
+    {
+        $this->assertCount(2, new ArrayIterator(array(1,2)));
+
+        try {
+            $this->assertCount(2, new ArrayIterator(array(1,2,3)));
+        } catch (PHPUnit_Framework_AssertionFailedError $e) {
+            return;
+        }
+
+        $this->fail();
+    }
+
     /**
      * @covers PHPUnit_Framework_Assert::assertCount
      */