4 files changed, 28 insertions, 0 deletions
diff --git a/test/openssl/test_pkey_dh.rb b/test/openssl/test_pkey_dh.rb
index 6397e76d3f..fd2c7a66a9 100644
--- a/test/openssl/test_pkey_dh.rb
+++ b/test/openssl/test_pkey_dh.rb
@@ -74,6 +74,13 @@ class OpenSSL::TestPKeyDH < OpenSSL::PKeyTestCase
     assert_equal dh2.g, dh.g
   end
 
+  def test_marshal
+    dh = Fixtures.pkey("dh1024")
+    deserialized = Marshal.load(Marshal.dump(dh))
+
+    assert_equal dh.to_der, deserialized.to_der
+  end
+
   private
 
   def assert_equal_params(dh1, dh2)
diff --git a/test/openssl/test_pkey_dsa.rb b/test/openssl/test_pkey_dsa.rb
index 2c839b7dfb..9c9da8931f 100644
--- a/test/openssl/test_pkey_dsa.rb
+++ b/test/openssl/test_pkey_dsa.rb
@@ -191,6 +191,13 @@ fWLOqqkzFeRrYMDzUpl36XktY6Yq8EJYlW9pCMmBVNy/dQ==
     assert_not_equal key.params, key2.params
   end
 
+  def test_marshal
+    key = Fixtures.pkey("dsa1024")
+    deserialized = Marshal.load(Marshal.dump(key))
+
+    assert_equal key.to_der, deserialized.to_der
+  end
+
   private
   def assert_same_dsa(expected, key)
     check_component(expected, key, [:p, :q, :g, :pub_key, :priv_key])
diff --git a/test/openssl/test_pkey_ec.rb b/test/openssl/test_pkey_ec.rb
index 6b83ed76b9..a0e6a23ff8 100644
--- a/test/openssl/test_pkey_ec.rb
+++ b/test/openssl/test_pkey_ec.rb
@@ -52,6 +52,13 @@ class OpenSSL::TestEC < OpenSSL::PKeyTestCase
     assert_equal(true, ec.private?)
   end
 
+  def test_marshal
+    key = Fixtures.pkey("p256")
+    deserialized = Marshal.load(Marshal.dump(key))
+
+    assert_equal key.to_der, deserialized.to_der
+  end
+
   def test_check_key
     key = OpenSSL::PKey::EC.new("prime256v1").generate_key!
     assert_equal(true, key.check_key)
diff --git a/test/openssl/test_pkey_rsa.rb b/test/openssl/test_pkey_rsa.rb
index a9587aa1a4..36a2a97da3 100644
--- a/test/openssl/test_pkey_rsa.rb
+++ b/test/openssl/test_pkey_rsa.rb
@@ -443,6 +443,13 @@ class OpenSSL::TestPKeyRSA < OpenSSL::PKeyTestCase
     assert_not_equal key.params, key2.params
   end
 
+  def test_marshal
+    key = Fixtures.pkey("rsa2048")
+    deserialized = Marshal.load(Marshal.dump(key))
+
+    assert_equal key.to_der, deserialized.to_der
+  end
+
   private
   def assert_same_rsa(expected, key)
     check_component(expected, key, [:n, :e, :d, :p, :q, :dmp1, :dmq1, :iqmp])