1 files changed, 9 insertions, 0 deletions
diff --git a/test/openssl/test_x509cert.rb b/test/openssl/test_x509cert.rb
index 0cfe4402ec..5b2e712d2a 100644
--- a/test/openssl/test_x509cert.rb
+++ b/test/openssl/test_x509cert.rb
@@ -178,6 +178,15 @@ class OpenSSL::TestX509Certificate < OpenSSL::TestCase
     assert_equal(true, cert.check_private_key(@rsa2048))
   end
 
+  def test_read_from_file
+    cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil)
+    Tempfile.create("cert") { |f|
+      f << cert.to_pem
+      f.rewind
+      assert_equal cert.to_der, OpenSSL::X509::Certificate.new(f).to_der
+    }
+  end
+
   private
 
   def certificate_error_returns_false