In incremental integration testing, what is the significance of "top-down" and "bottom-up" approaches?
- They determine the order of unit testing
- They determine the type of tools used
- They guide how components are combined
- They signify the flow of testing from either the main function or modules
In incremental integration testing, "top-down" and "bottom-up" approaches signify the sequence and direction of integration. "Top-down" begins with the main function and progressively integrates modules, whereas "bottom-up" starts with modules, integrating them into the main function.
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