Defects and Failure in Software Testing

Understanding Defects and Failure in Software Testing

defects and failures in software testing

defects and failure of the software testing

This section introduces all the defects and failure in Software Testing. However, not all software defects are caused due to coding errors. Certainly, one common source of expensive defects is caused by requirement gaps. For instance, unrecognized requirements, which result in errors of omission by the program designer. Further, a common source of requirements gaps is non-functional requirements. So, these include testability, scalability, maintainability, usability, performance, and security.

Software faults occur through the following processes.

  • Firstly, if in case, a programmer makes an error. This further results in a defect in the software source code.
  • Also, if this defect is executed, in certain situations the system will produce wrong results, causing a failure. Not all defects will necessarily result in failures.
  • Subsequently, defects in dead code will never result in failures. However, a defect can turn into a failure when the environment is changed.
  • Subsequently, changes in the environment include the software being run on a new hardware platform, alterations in source data or interacting with different software.
  • Lastly, a single defect may result in a wide range of failure symptoms.

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