lib/undercover.rb in undercover-0.1.3 vs lib/undercover.rb in undercover-0.1.4

@@ -81,9 +81,10 @@
     def each_result_arg
       match_all = ->(_) { true }
       lcov.source_files.each do |filename, coverage|
         path = File.join(code_dir, filename)
         root_ast = Imagen::Node::Root.new.build_from_file(path)
+        next if root_ast.children.empty?
         root_ast.children[0].find_all(match_all).each do |node|
           yield(path, coverage, node)
         end
       end
     end