diff --git a/modules/system/system.test b/modules/system/system.test
index 5ae3341612..f29a62239c 100644
--- a/modules/system/system.test
+++ b/modules/system/system.test
@@ -925,6 +925,22 @@ class CronRunTestCase extends DrupalWebTestCase {
     $this->assertEqual($result, 'success', 'Cron correctly handles exceptions thrown during hook_cron() invocations.');
   }

+  /**
+   * Ensure that the manual cron run is working.
+   */
+  function testManualCron() {
+    $admin_user = $this->drupalCreateUser(array('administer site configuration'));
+    $this->drupalLogin($admin_user);
+
+    $this->drupalGet('admin/reports/status/run-cron');
+    $this->assertResponse(403);
+
+    $this->drupalGet('admin/reports/status');
+    $this->clickLink(t('run cron manually'));
+    $this->assertResponse(200);
+    $this->assertText(t('Cron ran successfully.'));
+  }
+
   /**
    * Tests that hook_flush_caches() is not invoked on every single cron run.
    *