1 files changed, 11 insertions, 1 deletions
diff --git a/test/openssl/test_x509attr.rb b/test/openssl/test_x509attr.rb
index c6c48e86ab..2919d23d2d 100644
--- a/test/openssl/test_x509attr.rb
+++ b/test/openssl/test_x509attr.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require_relative "utils"
 
 if defined?(OpenSSL)
@@ -79,6 +79,16 @@ class OpenSSL::TestX509Attribute < OpenSSL::TestCase
     assert_equal true, attr1 == attr2
     assert_equal false, attr1 == attr3
   end
+
+  def test_marshal
+    val = OpenSSL::ASN1::Set([
+      OpenSSL::ASN1::UTF8String("abc123")
+    ])
+    attr = OpenSSL::X509::Attribute.new("challengePassword", val)
+    deserialized = Marshal.load(Marshal.dump(attr))
+
+    assert_equal attr.to_der, deserialized.to_der
+  end
 end
 
 end