1 files changed, 72 insertions, 0 deletions
diff --git a/test/openssl/test_provider.rb b/test/openssl/test_provider.rb
new file mode 100644
index 0000000000..b0ffae9ce7
--- /dev/null
+++ b/test/openssl/test_provider.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+require_relative 'utils'
+if defined?(OpenSSL) && defined?(OpenSSL::Provider) && !OpenSSL.fips_mode
+
+class OpenSSL::TestProvider < OpenSSL::TestCase
+  def test_openssl_provider_name_inspect
+    with_openssl <<-'end;'
+      provider = OpenSSL::Provider.load("default")
+      assert_equal("default", provider.name)
+      assert_not_nil(provider.inspect)
+    end;
+  end
+
+  def test_openssl_provider_names
+    with_openssl <<-'end;'
+      base_provider = OpenSSL::Provider.load("base")
+      assert_equal(2, OpenSSL::Provider.provider_names.size)
+      assert_includes(OpenSSL::Provider.provider_names, "base")
+
+      assert_equal(true, base_provider.unload)
+      assert_equal(1, OpenSSL::Provider.provider_names.size)
+      assert_not_includes(OpenSSL::Provider.provider_names, "base")
+    end;
+  end
+
+  def test_unloaded_openssl_provider
+    with_openssl <<-'end;'
+      default_provider = OpenSSL::Provider.load("default")
+      assert_equal(true, default_provider.unload)
+      assert_raise(OpenSSL::Provider::ProviderError) { default_provider.name }
+      assert_raise(OpenSSL::Provider::ProviderError) { default_provider.unload }
+    end;
+  end
+
+  def test_openssl_legacy_provider
+    with_openssl(<<-'end;')
+      begin
+        OpenSSL::Provider.load("legacy")
+      rescue OpenSSL::Provider::ProviderError
+        omit "Only for OpenSSL with legacy provider"
+      end
+
+      algo = "RC4"
+      data = "a" * 1000
+      key = OpenSSL::Random.random_bytes(16)
+
+      # default provider does not support RC4
+      cipher = OpenSSL::Cipher.new(algo)
+      cipher.encrypt
+      cipher.key = key
+      encrypted = cipher.update(data) + cipher.final
+
+      other_cipher = OpenSSL::Cipher.new(algo)
+      other_cipher.decrypt
+      other_cipher.key = key
+      decrypted = other_cipher.update(encrypted) + other_cipher.final
+
+      assert_equal(data, decrypted)
+    end;
+  end
+
+  private
+
+  # this is required because OpenSSL::Provider methods change global state
+  def with_openssl(code, **opts)
+    assert_separately(["-ropenssl"], <<~"end;", **opts)
+      #{code}
+    end;
+  end
+end
+
+end