public void EncodeSingleMailAddress_WithAddressAndDisplayNameUnicode_ShouldQEncode()
{
MailAddress testAddress = new MailAddress("[email protected]", "test\u00DC");
string result = testAddress.Encode(0, false);
Assert.Equal("=?utf-8?Q?test=C3=9C?= <[email protected]>", result);
result = testAddress.Encode(0, true);
Assert.Equal("\"test\u00DC\" <[email protected]>", result);
}