1 files changed, 15 insertions, 0 deletions
diff --git a/test/rdoc/test_rdoc_ri_driver.rb b/test/rdoc/test_rdoc_ri_driver.rb
index 590c10906d..f636c6346f 100644
--- a/test/rdoc/test_rdoc_ri_driver.rb
+++ b/test/rdoc/test_rdoc_ri_driver.rb
@@ -699,6 +699,21 @@ class TestRDocRIDriver < RDoc::TestCase
     refute_match %r%must not be displayed%, out
   end
 
+  def test_display_name
+    util_store
+
+    out, = capture_io do
+      assert_equal true, @driver.display_name('home:README.rdoc')
+    end
+
+    expected = <<-EXPECTED
+= README
+This is a README
+    EXPECTED
+
+    assert_equal expected, out
+  end
+
   def test_display_name_not_found_class
     util_store