public void Format()
{
FormatterContext formatterContext = new FormatterContext(
FormatterContext.DefaultBufferSize);
StringMessageHeader header = new StringMessageHeader("DATA");
StringMessageHeaderFormatter formatter;
string formattedData;
// Test fixed length formatting.
formatter = new StringMessageHeaderFormatter(
new FixedLengthManager(12), StringEncoder.GetInstance());
formatter.Format(header, ref formatterContext);
formattedData = formatterContext.GetDataAsString();
Assert.IsTrue(formattedData.Equals("DATA "));
formatterContext.Clear();
formatter.Format(null, ref formatterContext);
formattedData = formatterContext.GetDataAsString();
Assert.IsTrue(formattedData.Equals(" "));
// Test variable length formatting without padding.
formatterContext.Clear();
formatter = new StringMessageHeaderFormatter(new VariableLengthManager(0,
999, StringLengthEncoder.GetInstance(999)),
StringEncoder.GetInstance());
formatter.Format(header, ref formatterContext);
formattedData = formatterContext.GetDataAsString();
Assert.IsTrue(formattedData.Equals("004DATA"));
formatterContext.Clear();
formatter.Format(null, ref formatterContext);
formattedData = formatterContext.GetDataAsString();
Assert.IsTrue(formattedData.Equals("000"));
// Test variable length formatting with padding.
formatterContext.Clear();
formatter = new StringMessageHeaderFormatter(new VariableLengthManager(10,
10, StringLengthEncoder.GetInstance(10)),
StringEncoder.GetInstance(), SpacePaddingLeft.GetInstance(false));
formatter.Format(header, ref formatterContext);
formattedData = formatterContext.GetDataAsString();
Assert.IsTrue(formattedData.Equals("10 DATA"));
}
