test(expr): arbitrary white space delimiter

Author: adhocore

tests/ExpressionTest.php

@@ -103,6 +103,10 @@ public function scheduleProvider()
 
             ['*/2 */2 * * *', '2015-08-10 21:47:27', '2015-08-10 22:00:00', false],
             ['* * * * *', '2015-08-10 21:50:37', '2015-08-10 21:50:00', true],
+            ['* * * * * ', '2015-08-10 21:50:37', '2015-08-10 21:50:00', true],
+            ['*  *  *  *  *', '2015-08-10 21:50:37', '2015-08-10 21:50:00', true],
+            ["*\t*\t*\t*\t*", '2015-08-10 21:50:37', '2015-08-10 21:50:00', true],
+            ["*\t\t*\t\t*\t\t*\t\t*", '2015-08-10 21:50:37', '2015-08-10 21:50:00', true],
             ['* 20,21,22 * * *', '2015-08-10 21:50:00', '2015-08-10 21:50:00', true],
             // Handles CSV values
             ['* 20,22 * * *', '2015-08-10 21:50:00', '2015-08-10 22:00:00', false],