diff --git a/railties/test/application/assets_test.rb b/railties/test/application/assets_test.rb
index 9245532..5c55521 100644
--- a/railties/test/application/assets_test.rb
+++ b/railties/test/application/assets_test.rb
@@ -67,6 +67,21 @@ module ApplicationTests
       end
     end

+    test "precompile also generate undigested files for emails and static htmls" do
+      app_file "app/assets/javascripts/application.css.erb", "<%= asset_path 'rails.png' %>"
+      add_to_config "config.assets.digest = true"
+
+      ENV["RAILS_ENV"] = nil
+      capture(:stdout) do
+        Dir.chdir(app_path){ `bundle exec rake assets:precompile` }
+      end
+
+      digested = Dir["#{app_path}/public/assets/application-*.css"].first
+      undigested = Dir["#{app_path}/public/assets/application.css"].first
+      assert_match(/assets\/rails-([0-z]+)\.png/, File.read(digested))
+      assert_match(/assets\/rails\.png/, File.read(undigested))
+    end
+
     test "precompile application.js and application.css and all other files not ending with .js or .css by default" do
       app_file "app/assets/javascripts/application.js", "alert();"
       app_file "app/assets/stylesheets/application.css", "body{}"