message.addValue("Content-Length", "10");
message.addValue("Connection", "keep-alive");
message.addValue("Accept", "image/gif, image/jpeg, */*");
message.addValue("Set-Cookie", "a=b");
message.addValue("Set-Cookie", "b=c");
assertEquals(message.getValue("CONTENT-LENGTH"), "10");
assertEquals(message.getValue("Content-Length"), "10");
assertEquals(message.getValue("CONTENT-length"), "10");
assertEquals(message.getValue("connection"), "keep-alive");