public void TestGetMessageSizes()
{
const string welcomeMessage = "+OK";
const string okUsername = "******";
const string okPassword = "******";
const string messageListAccepted = "+OK 2 messages (320 octets)";
const string messageSize1 = "1 120";
const string messageSize2 = "2 200";
const string messageListEnd = ".";
const string serverResponses = welcomeMessage + "\r\n" + okUsername + "\r\n" + okPassword + "\r\n" + messageListAccepted + "\r\n" + messageSize1 + "\r\n" + messageSize2 + "\r\n" + messageListEnd + "\r\n";
Stream inputStream = new MemoryStream(Encoding.ASCII.GetBytes(serverResponses));
Stream outputStream = new MemoryStream();
Pop3Client client = new Pop3Client();
client.Connect(new CombinedStream(inputStream, outputStream));
client.Authenticate("test", "test");
// Message 9 should have size 200
List<int> messageSizes = client.GetMessageSizes();
// The list should have size 2
Assert.AreEqual(2, messageSizes.Count);
// The first entry should have size 120
Assert.AreEqual(120, messageSizes[0]);
// The second entry should have size 200
Assert.AreEqual(200, messageSizes[1]);
}