1 files changed, 11 insertions, 0 deletions
diff --git a/test/openssl/test_asn1.rb b/test/openssl/test_asn1.rb
index e29bf438b9..94083f86e4 100644
--- a/test/openssl/test_asn1.rb
+++ b/test/openssl/test_asn1.rb
@@ -243,6 +243,17 @@ class  OpenSSL::TestASN1 < Test::Unit::TestCase
     assert_equal(raw, asn1.to_der)
   end
 
+  def test_cons_without_inf_length_forbidden
+    assert_raise(OpenSSL::ASN1::ASN1Error) do
+      val = OpenSSL::ASN1::OctetString.new('a')
+      cons = OpenSSL::ASN1::Constructive.new([val],
+                                            OpenSSL::ASN1::OCTET_STRING,
+                                            nil,
+                                            :UNIVERSAL)
+      cons.to_der
+    end
+  end
+
   def test_seq_infinite_length
     begin
       content = [ OpenSSL::ASN1::Null.new(nil),