Sample of better error reporting for converters (#70)

jruby · Oct 21, 2013 · c6e37b2 · c6e37b2
1 parent 6c1e8ac
commit c6e37b2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/jrubyfx/utils/common_converters.rb b/lib/jrubyfx/utils/common_converters.rb
@@ -140,6 +140,9 @@ def converter_for(method_name, *converters, &default)
         },
         :color => lambda { |value|
           new_value = NAME_TO_COLORS[value.to_s.gsub(/_/, "")]
+          if !new_value && value.kind_of?(Symbol)
+            raise ArgumentError.new("No such color: #{value.to_s}") 
+          end
           new_value ? new_value : value
         },
         :rectangle2d => lambda { |value|