ACCU World of Code

Category: faults

  • One code path dominates method execution

    A recurring claim is that most reported faults are the result of coding mistakes in a small percentage of a program’s source code, with the 80/20 ‘rule’ being cited for social confirmation. I think there is something to this claim, but that the percentages are not so extreme. A previous post pointed out that reported…

  • Program fault reports are caused by its users

    Faults are generated by users of the software; no users, no fault reports. Fault reports will be generated for software that is free of coding mistakes; one study found that 42.6% of fault reports were misclassified as either requests for an enhancement, changes to documentation, or a refactoring request, or not requiring changes to the…

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