Fix #4917
diff --git a/tests/codeigniter/helpers/date_helper_test.php b/tests/codeigniter/helpers/date_helper_test.php
index c4f99a9..8a35022 100644
--- a/tests/codeigniter/helpers/date_helper_test.php
+++ b/tests/codeigniter/helpers/date_helper_test.php
@@ -10,6 +10,14 @@
 
 	// ------------------------------------------------------------------------
 
+	public function test_nice_date()
+	{
+		$this->assertEquals('2016-11-01', nice_date('201611',   'Y-m-d'));
+		$this->assertEquals('2016-11-23', nice_date('20161123', 'Y-m-d'));
+	}
+
+	// ------------------------------------------------------------------------
+
 	public function test_now_local()
 	{
 		/*