1 files changed, 6 insertions, 0 deletions
diff --git a/test/rdoc/test_rdoc_normal_module.rb b/test/rdoc/test_rdoc_normal_module.rb
index 570b2765c6..975bf911fe 100644
--- a/test/rdoc/test_rdoc_normal_module.rb
+++ b/test/rdoc/test_rdoc_normal_module.rb
@@ -23,6 +23,12 @@ class TestRDocNormalModule < XrefTestCase
     assert_equal [mod2, incl.name], mod.ancestors
   end
 
+  def test_definition
+    m = RDoc::NormalModule.new 'M'
+
+    assert_equal 'module M', m.definition
+  end
+
   def test_module_eh
     assert @mod.module?
   end