public void JustMessage()
{
string myMessage = "Four score and seven years ago ...";
MultiLineException exception = new MultiLineException(myMessage);
Assert.IsNull(exception.InnerException);
Assert.AreEqual(myMessage, exception.Message);
Assert.AreEqual(1, exception.MultiLineMessage.Count);
Assert.AreEqual(myMessage, exception.MultiLineMessage[0]);
}
public void JustMessage_MultiLine()
{
string[] lines = new string[]{ "Roses are red",
"Violets are blue" };
MultiLineText message = new MultiLineText(lines);
MultiLineException exception = new MultiLineException(message);
Assert.IsNull(exception.InnerException);
Assert.AreEqual(message.ToString(), exception.Message);
Assert.AreEqual(lines.Length, exception.MultiLineMessage.Count);
for (int i = 0; i < lines.Length; i++)
Assert.AreEqual(lines[i], exception.MultiLineMessage[i]);
}
public void NullMessageWithInnerMessage()
{
MultiLineException exception = new MultiLineException(null, "");
}
public void NullMessageAndInnerException()
{
System.Exception nullException = null;
MultiLineException exception = new MultiLineException(null, nullException);
}
public void NullMessage()
{
MultiLineException exception = new MultiLineException(null);
}
//---------------------------------------------------------------------
private void Inner_MultiLineMessage()
{
string innerInnerMessage = "Damn it, Jim, I'm a doctor, not a bricklayer!";
System.ApplicationException innerInner = new System.ApplicationException(innerInnerMessage);
string innerMessage = "The quick brown fox";
MultiLineException inner = new MultiLineException(innerMessage,
innerInner);
string myMessage = "Four score and seven years ago ...";
MultiLineException exception = new MultiLineException(myMessage,
inner);
Assert.AreEqual(inner, exception.InnerException);
Assert.AreEqual(3, exception.MultiLineMessage.Count);
Assert.AreEqual(myMessage + ":", exception.MultiLineMessage[0]);
Assert.AreEqual(MultiLineException.Indent + innerMessage + ":",
exception.MultiLineMessage[1]);
Assert.AreEqual(MultiLineException.Indent +
MultiLineException.Indent + innerInnerMessage,
exception.MultiLineMessage[2]);
}
//---------------------------------------------------------------------
private void Inner_NoMultiLineMessage()
{
string innerMessage = "The quick brown fox";
System.ApplicationException inner = new System.ApplicationException(innerMessage);
string myMessage = "Four score and seven years ago ...";
MultiLineException exception = new MultiLineException(myMessage,
inner);
Assert.AreEqual(inner, exception.InnerException);
Assert.AreEqual(2, exception.MultiLineMessage.Count);
Assert.AreEqual(myMessage + ":", exception.MultiLineMessage[0]);
Assert.AreEqual(MultiLineException.Indent + innerMessage,
exception.MultiLineMessage[1]);
}
public void MessageAndInner()
{
string myMessage = "Four score and seven years ago ...";
string innerMessage = "The quick brown fox";
MultiLineException exception = new MultiLineException(myMessage,
innerMessage);
Assert.IsNull(exception.InnerException);
Assert.AreEqual(2, exception.MultiLineMessage.Count);
Assert.AreEqual(myMessage + ":", exception.MultiLineMessage[0]);
Assert.AreEqual(MultiLineException.Indent + innerMessage,
exception.MultiLineMessage[1]);
}
//---------------------------------------------------------------------
public LineReaderException ExtraTextException(string message,
string text)
{
// For readability, trim the text down to first 60 characters
bool trimmed = false;
const int displayLength = 60;
if (text.Length > displayLength) {
text = text.Substring(0, displayLength);
trimmed = true;
}
// Also for readability, trim off from 1st newline or return char.
int index = text.IndexOfAny(new char[]{'\n', '\r'});
if (index >= 0) {
text = text.Substring(0, index);
trimmed = true;
}
StringBuilder extraText = new StringBuilder();
extraText.AppendFormat("\"{0}\"", text);
if (trimmed)
extraText.Append("...");
MultiLineException innerException = new MultiLineException(message,
extraText.ToString());
return new LineReaderException(reader, innerException);
}
