lib/watir/locators/element/selector_builder.rb in watir-6.0.0.beta4 vs lib/watir/locators/element/selector_builder.rb in watir-6.0.0.beta5

@@ -28,10 +28,14 @@
           case how
           when :index
             unless what.is_a?(Fixnum)
               raise TypeError, "expected Fixnum, got #{what.inspect}:#{what.class}"
             end
+          when :visible
+            unless what.is_a?(TrueClass) || what.is_a?(FalseClass)
+              raise TypeError, "expected TrueClass or FalseClass, got #{what.inspect}:#{what.class}"
+            end
           else
             unless VALID_WHATS.any? { |t| what.is_a? t }
               raise TypeError, "expected one of #{VALID_WHATS.inspect}, got #{what.inspect}:#{what.class}"
             end
           end
@@ -51,10 +55,10 @@
 
         private
 
         def normalize_selector(how, what)
           case how
-          when :tag_name, :text, :xpath, :index, :class, :label, :css
+          when :tag_name, :text, :xpath, :index, :class, :label, :css, :visible
             # include :class since the valid attribute is 'class_name'
             # include :for since the valid attribute is 'html_for'
             [how, what]
           when :class_name
             [:class, what]