1 files changed, 19 insertions, 0 deletions
diff --git a/test/net/protocol/test_protocol.rb b/test/net/protocol/test_protocol.rb
new file mode 100644
index 0000000000..f6ee4941cf
--- /dev/null
+++ b/test/net/protocol/test_protocol.rb
@@ -0,0 +1,19 @@
+require "test/unit"
+require "net/protocol"
+require "stringio"
+
+class TestProtocol < Test::Unit::TestCase
+  def test_each_crlf_line
+    assert_output('', '') do
+      sio = StringIO.new("")
+      imio = Net::InternetMessageIO.new(sio)
+      assert_equal(23, imio.write_message("\u3042\r\u3044\n\u3046\r\n\u3048"))
+      assert_equal("\u3042\r\n\u3044\r\n\u3046\r\n\u3048\r\n.\r\n", sio.string)
+
+      sio = StringIO.new("")
+      imio = Net::InternetMessageIO.new(sio)
+      assert_equal(8, imio.write_message("\u3042\r"))
+      assert_equal("\u3042\r\n.\r\n", sio.string)
+    end
+  end
+end