1 files changed, 25 insertions, 0 deletions
diff --git a/actionmailer/test/old_base/tmail_compat_test.rb b/actionmailer/test/old_base/tmail_compat_test.rb
new file mode 100644
index 0000000000..7c1d9a07c1
--- /dev/null
+++ b/actionmailer/test/old_base/tmail_compat_test.rb
@@ -0,0 +1,25 @@
+require 'abstract_unit'
+
+class TmailCompatTest < ActiveSupport::TestCase
+
+  def test_set_content_type_raises_deprecation_warning
+    mail = Mail.new
+    assert_deprecated do
+      assert_nothing_raised do
+        mail.set_content_type "text/plain"
+      end
+    end
+    assert_equal mail.mime_type, "text/plain"
+  end
+
+  def test_transfer_encoding_raises_deprecation_warning
+    mail = Mail.new
+    assert_deprecated do
+      assert_nothing_raised do
+        mail.transfer_encoding "base64"
+      end
+    end
+    assert_equal mail.content_transfer_encoding, "base64"
+  end
+  
+end