diff --git a/test/openssl/test_pkcs7.rb b/test/openssl/test_pkcs7.rb
index 4a6692a74ccc24..0b0d808a90292f 100644
--- a/test/openssl/test_pkcs7.rb
+++ b/test/openssl/test_pkcs7.rb
@@ -151,6 +151,147 @@ def test_graceful_parsing_failure #[ruby-core:43250]
     contents = File.read(__FILE__)
     assert_raise(ArgumentError) { OpenSSL::PKCS7.new(contents) }
   end
+
+  def test_set_type_signed
+    p7 = OpenSSL::PKCS7.new
+    p7.type = "signed"
+    assert_equal(p7.type, :signed)
+  end
+  
+  def test_set_type_data
+    p7 = OpenSSL::PKCS7.new
+    p7.type = "data"
+    assert_equal(p7.type, :data)
+  end
+  
+  def test_set_type_signed_and_enveloped
+    p7 = OpenSSL::PKCS7.new
+    p7.type = "signedAndEnveloped"
+    assert_equal(p7.type, :signedAndEnveloped)
+  end
+  
+  def test_set_type_enveloped
+    p7 = OpenSSL::PKCS7.new
+    p7.type = "enveloped"
+    assert_equal(p7.type, :enveloped)
+  end
+  
+  def test_set_type_encrypted
+    p7 = OpenSSL::PKCS7.new
+    p7.type = "encrypted"
+    assert_equal(p7.type, :encrypted)
+  end
+
+  def test_degenerate_pkcs7
+    ca_cert_pem = <<END
+-----BEGIN CERTIFICATE-----
+MIID4DCCAsigAwIBAgIJAL1oVI72wmQwMA0GCSqGSIb3DQEBBQUAMFMxCzAJBgNV
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+pISJ+D52hV/BGEYF8r5k3hpC5d76gSP2oCcaY0XvLBf97qik
+-----END CERTIFICATE-----
+END
+    p7 = OpenSSL::PKCS7.new
+    p7.type = "signed"
+    ca_cert = OpenSSL::X509::Certificate.new(ca_cert_pem)
+    p7.add_certificate ca_cert
+    p7.add_data ""
+    
+    assert_nothing_raised do
+      p7.to_pem
+    end
+  end
+
+  def test_split_content
+     pki_message_pem = <<END
+-----BEGIN PKCS7-----
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+-----END PKCS7-----
+END
+    pki_message_content_pem = <<END
+-----BEGIN PKCS7-----
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+-----END PKCS7-----
+END
+    pki_msg = OpenSSL::PKCS7.new(pki_message_pem)
+    store = OpenSSL::X509::Store.new
+    pki_msg.verify(nil, store, nil, OpenSSL::PKCS7::NOVERIFY)
+    p7enc = OpenSSL::PKCS7.new(pki_msg.data)
+    assert_equal(p7enc.to_pem, pki_message_content_pem) 
+  end
 end
 
 end