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What is Path Testing?
Path Testing is a structural testing method based on the source code or algorithm and NOT based on the specifications. It can be applied at different levels of granularity.
Path Testing Assumptions:
The Specifications are Accurate
The Data is defined and accessed properly
There are no defects that exist in the system other than those that affect control flow
Path Testing Techniques:
Control Flow Graph (CFG) - The Program is converted into Flow graphs by representing the code into nodes, regions and edges.
Decision to Decision path (D-D) - The CFG can be broken into various Decision to Decision paths and then collapsed into individual nodes.
Independent (basis) paths - Independent path is a path through a DD-path graph which cannot be reproduced from other paths by other methods.