added tests for post sets

app/logical/post_sets/numbered.rb

@@ -21,6 +21,17 @@ module PostSets
       offset == 0
     end
     
+    def validate
+      super
+      validate_page
+    end
+    
+    def validate_page
+      if page > 1_000
+        raise Error.new("You cannot explicitly specify the page after page 1000")
+      end
+    end
+    
     def page
       @page ||= params[:page] ? params[:page].to_i : 1
     end