diff --git a/test/fileutils/test_fileutils.rb b/test/fileutils/test_fileutils.rb
index 27511c2..35cfbc8 100644
--- a/test/fileutils/test_fileutils.rb
+++ b/test/fileutils/test_fileutils.rb
@@ -928,6 +928,8 @@ def test_ln
     TARGETS.each do |fname|
       ln fname, 'tmp/lndest'
       assert_same_file fname, 'tmp/lndest'
+      assert_same_entry fname, 'tmp/lndest'
+      assert_file.identical?(fname, 'tmp/lndest')
       File.unlink 'tmp/lndest'
     end
 
@@ -1977,6 +1979,7 @@ def test_identical?
 
   def test_link
     check_singleton :link
+    assert_equal(FileUtils.method(:ln), FileUtils.method(:link))
   end
 
   def test_makedirs