1 files changed, 16 insertions, 0 deletions
diff --git a/test/test_tempfile.rb b/test/test_tempfile.rb
index 87c1241df8..d5d684b016 100644
--- a/test/test_tempfile.rb
+++ b/test/test_tempfile.rb
@@ -63,6 +63,22 @@ class TestTempfile < Test::Unit::TestCase
     assert_match(/\.txt$/, File.basename(t.path))
   end
 
+  def test_dup
+    t = tempfile
+    t2 = t.dup
+    t2.close
+    assert_equal true, t2.closed?
+    assert_equal false, t.closed?
+  end
+
+  def test_clone
+    t = tempfile
+    t2 = t.clone
+    t2.close
+    assert_equal true, t2.closed?
+    assert_equal false, t.closed?
+  end
+
   def test_unlink
     t = tempfile("foo")
     path = t.path