Look at Specs for autotest.
Include spockframework specs.
Calculate sums based on a rowset column.
Determine a break point in a table.
Calculate the average for a field.
Set the column span.
Throw an exception when the index and rowset are missing.
Display the cell value from a calculation.
Load the messages.
Add calculations to the dataset.
Set calculations on the report.
Enumeration dataset.
Example pdf builder.