--- /dev/null
+require 'test_helper'
+
+class TitleHelperTest < ActionView::TestCase
+ def test_set_title
+ set_title(nil)
+ assert_equal "OpenStreetMap", response.header["X-Page-Title"]
+ assert_nil @title
+
+ set_title("Test Title")
+ assert_equal "OpenStreetMap | Test Title", response.header["X-Page-Title"]
+ assert_equal "Test Title", @title
+ end
+end