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3 Analytical Techniques (Dynamic Analysis (pointer problems (program…

- - - - assigning invalid value to a variable
      - failure to assign value to var before using it
      - incorrect path due to incorrect value in control predicate
      - using variable after it is destroyed
      - declaring and destroying var without using it
      - reference variable that is out of scope
      - redefining var before it has been used
      - failure to kill a var - to release memory alloc
      - modifying a var - e.g. global var - side effects
    - - coding standards
      - commented code
      - repeated code - modularize
      - coupling - low
      - cohesion - high
  - - - incremental
        
        top-down, bottom-up
        
        preferred as they introduce code in increments - easier fault-isolation due to limited code
      - non-incremental
        
        pairwise integration
        
        pairs of components thaat work together
        
        neighbourhood integration
        
        tests all nodes that connect to a given node - predecessor and successor nodes
        
        Mc Cabe's design predicate approach - cyclomatic complexity
        
        unconditional call - 0
        
        conditional call - 1
        
        mutually exclusive conditional call (n-1)
        
        iterative call - 1
        
        iterative conditional call - 2