What is an XBuffer used for?

• A. A buffer for binary data only.
• B. Used for reading out and buffering dynamic parts of a string for Dynamic Comparison.
• C. A function to clear buffers automatically.
• D. A type of test case.

Answer: (B)

XBuffer is used to read out and buffer dynamic parts of a string for Dynamic Comparison. In Tosca, some portions of a string change between runs (like IDs or timestamps). You capture that changing part into the buffer, then use the buffered value when performing comparisons or when inserting it into later steps. This lets the rest of the string be validated against a stable pattern while still accounting for the dynamic piece. It’s not simply a buffer for binary data, not a function that clears buffers automatically, and not a type of test case.