lib/rufus/sc/jobs.rb in rufus-scheduler-2.0.18 vs lib/rufus/sc/jobs.rb in rufus-scheduler-2.0.19

@@ -363,14 +363,19 @@
 
     protected
 
     def determine_frequency
 
-      @frequency = if @t.is_a?(Fixnum) || @t.is_a?(Float)
-        @t
-      else
-        Rufus.parse_duration_string(@t)
-      end
+      @frequency =
+        if @t.is_a?(Fixnum) || @t.is_a?(Float)
+          @t
+        else
+          Rufus.parse_duration_string(@t)
+        end
+
+      raise ArgumentError.new(
+        'cannot initialize an EveryJob with a <= 0.0 frequency'
+      ) if @frequency <= 0.0
     end
 
     def determine_at
 
       return unless @frequency