1 files changed, 12 insertions, 0 deletions
diff --git a/test/ruby/test_marshal.rb b/test/ruby/test_marshal.rb
index 069844583b..af389d2b2d 100644
--- a/test/ruby/test_marshal.rb
+++ b/test/ruby/test_marshal.rb
@@ -179,4 +179,16 @@ class TestMarshal < Test::Unit::TestCase
       Marshal.dump((0..1000).map {|x| C4.new(x % 50 == 25) })
     end
   end
+
+  def test_taint_and_untrust
+    x = Object.new
+    x.taint
+    x.untrust
+    s = Marshal.dump(x)
+    assert_equal(true, s.tainted?)
+    assert_equal(true, s.untrusted?)
+    y = Marshal.load(s)
+    assert_equal(true, y.tainted?)
+    assert_equal(true, y.untrusted?)
+  end
 end