add: test for non trivial cron expression that fails in current and passes now

Author: darkalchemy

tests/ScheduleCheckerTest.php

@@ -58,6 +58,16 @@ public function test_it_can_detect_a_due_job_from_a_cron_expression()
         $this->assertTrue($this->scheduleChecker->isDue("* * * * *"));
     }
 
+    /**
+     * @return void
+     */
+    public function test_it_can_detect_a_due_job_from_a_non_trivial_cron_expression()
+    {
+        $scheduleChecker = new ScheduleChecker(new DateTimeImmutable("2017-04-01 00:00:00"));
+
+        $this->assertTrue($scheduleChecker->isDue("0 0 1 */3 *"));
+    }
+
     /**
      * @return void
      */