1 files changed, 12 insertions, 0 deletions
diff --git a/test/rdoc/test_rdoc_store.rb b/test/rdoc/test_rdoc_store.rb
index 3b4f7cf2ff..7e18693803 100644
--- a/test/rdoc/test_rdoc_store.rb
+++ b/test/rdoc/test_rdoc_store.rb
@@ -274,6 +274,18 @@ class TestRDocStore < XrefTestCase
     assert_includes @s.c_enclosure_classes, 'cObject'
   end
 
+  def test_find_c_enclosure_from_cache_legacy
+    @klass.in_files.clear
+    @s.save_class @klass
+    @s.classes_hash.clear
+
+    assert_nil @s.find_c_enclosure 'cObject'
+
+    @s.c_enclosure_names['cObject'] = 'Object'
+
+    assert_nil @s.find_c_enclosure('cObject')
+  end
+
   def test_find_class_named
     assert_equal @c1, @store.find_class_named('C1')