public void TestReadResponseMismatchedResponseCodes()
{
using (var stream = new SmtpStream(new DummyNetworkStream(), new NullProtocolLogger())) {
var buffer = Encoding.ASCII.GetBytes("250-This is the first line of a response.\r\n340 And this is a mismatched response code.\r\n");
var dummy = (MemoryStream)stream.Stream;
dummy.Write(buffer, 0, buffer.Length);
dummy.Position = 0;
Assert.Throws <SmtpProtocolException> (() => stream.ReadResponse(CancellationToken.None));
}
}
public void TestReadResponseInvalidResponseCode()
{
using (var stream = new SmtpStream(new DummyNetworkStream(), new NullProtocolLogger())) {
var buffer = Encoding.ASCII.GetBytes("XXX This is an invalid response.\r\n");
var dummy = (MemoryStream)stream.Stream;
dummy.Write(buffer, 0, buffer.Length);
dummy.Position = 0;
Assert.Throws <SmtpProtocolException> (() => stream.ReadResponse(CancellationToken.None));
}
}
public void TestReadResponseLatin1Fallback()
{
const string input = "250-Wikipédia est un projet d'encyclopédie collective en ligne,\r\n250-universelle, multilingue et fonctionnant sur le principe du wiki.\r\n250-Ce projet vise à offrir un contenu librement réutilisable, objectif\r\n250 et vérifiable, que chacun peut modifier et améliorer.\r\n";
var expected = input.Replace("250-", "").Replace("250 ", "").Replace("\r\n", "\n").TrimEnd();
using (var stream = new SmtpStream(new DummyNetworkStream(), new NullProtocolLogger())) {
var buffer = Encoding.GetEncoding(28591).GetBytes(input);
var dummy = (MemoryStream)stream.Stream;
dummy.Write(buffer, 0, buffer.Length);
dummy.Position = 0;
var response = stream.ReadResponse(CancellationToken.None);
Assert.AreEqual(250, (int)response.StatusCode);
Assert.AreEqual(expected, response.Response);
}
}
public void TestReadResponseOver4K()
{
string expected;
string input;
using (var rng = new RNGCryptoServiceProvider()) {
var builder = new StringBuilder();
var buffer = new byte[72];
while (builder.Length < 5120)
{
rng.GetBytes(buffer);
var base64 = Convert.ToBase64String(buffer);
builder.AppendFormat("250-{0}\r\n", base64);
}
builder.Append("250 Okay, now we're done.\r\n");
input = builder.ToString();
expected = input.Replace("250-", "").Replace("250 ", "").Replace("\r\n", "\n").TrimEnd();
}
using (var stream = new SmtpStream(new DummyNetworkStream(), new NullProtocolLogger())) {
var buffer = Encoding.ASCII.GetBytes(input);
var dummy = (MemoryStream)stream.Stream;
dummy.Write(buffer, 0, buffer.Length);
dummy.Position = 0;
var response = stream.ReadResponse(CancellationToken.None);
Assert.AreEqual(250, (int)response.StatusCode);
Assert.AreEqual(expected, response.Response);
}
}