lib/motion-kit-cocoa/constraints/constraint.rb in motion-kit-0.9.4 vs lib/motion-kit-cocoa/constraints/constraint.rb in motion-kit-0.9.6

@@ -393,14 +393,14 @@
       @attribute = [:width, :height]
       @attribute2 = [:width, :height]
     end
 
     def attribute=(value)
-      raise NoMethodError.new('attribute=')
+      raise NoMethodError.new("undefined method `#{:attribute=}' for #{self}:#{self.class}", :attribute=)
     end
 
     def attribute2=(value)
-      raise NoMethodError.new('attribute2=')
+      raise NoMethodError.new("undefined method `#{:attribute2=}' for #{self}:#{self.class}", :attribute2=)
     end
 
     def constant=(constant)
       if constant.is_a?(Array)
         @constant = constant[0..1]