'#each' returns enumerator when no block given

Author: morishjs

lib/nokogiri/xml/node_set.rb

@@ -198,6 +198,8 @@ def remove_attr name
       ###
       # Iterate over each node, yielding  to +block+
       def each(&block)
+        return to_enum unless block_given?
+
         0.upto(length - 1) do |x|
           yield self[x]
         end

test/xml/test_node_set.rb

@@ -672,6 +672,11 @@ def test_include_on_empty_node_set
         assert ! empty_set.include?(employee)
       end
 
+      def test_each
+        employees = @xml.search("//employee")
+        assert_instance_of Enumerator, employees.each
+      end
+
       def test_children
         employees = @xml.search("//employee")
         count = 0