public void CheckMessageText()
{
string messageText = "Test text.";
bool success = chats.CheckMessageText(ref messageText, ref message);
while (messageText.Length < 510)
{
messageText += messageText;
}
bool veryLongText = chats.CheckMessageText(ref messageText, ref message);
messageText = "";
bool emptyText = chats.CheckMessageText(ref messageText, ref message);
Assert.AreEqual(success, true);
Assert.AreEqual(veryLongText, false);
Assert.AreEqual(emptyText, false);
}