What Is Bug In Software Testing

What Is Bug In Software Testing

Bug in software testing is when there’s a flaw or default on the component, system, or application that will cause it to fail. If this bug occurs during the execution of tests, then it could result in failure for all components i.e., does not work as expected from how they’re designed – incorrect data definition statements, input data, etc.

Life Cycle Of Bug In Software Testing

The Bug Life cycle is also famously known as a Defect Life cycle. It starts when the testing device finds new defects and ends when removed, ensuring that no more bugs get in-between them during their lifetime. 

Status of Bug

Let’s check the components of the bug life cycle.


The programmer begins the process of bugs analysis by identifying possible issues and working to resolve them. Bugs that cannot be fixed through programming can pass into four different states: Reject, Not a Bug (duplicate), or reserved for future work with specific instructions on how best to handle them.


This is the first stage of bug classification in what will likely be an endless loop. Bugs are sorted into different categories based on their severity, and verification procedures are then executed against each category before moving onto another level for more specific types or groups within those classifications.


The development team is allocated a newly created fault for operating on the fault at this level. This will be delegated to them by their boss or project leader, who knows best how to handle it!

Pending Retest

When the designer fixes a defect, they will give testers some guidance on how to retest it. The state of this particular fault stays “pending retest” until you work through your tests and explanations with them again!


If the developer repairs a defect by making necessary changes, it is said that this status has been fixed.


If the tester has no problem with the defection after it is assigned to them and they think it is repaired correctly, this status will become confirmed.


If there is any problem with the flaw, then it will be opened up for further review.


If the defect is absent, the tester changes the defect status to ‘Closed.’


The tester then performs a series of retests to check for any issues with the developer’s solution as required by their requirements.


If the developer considers the defect similar to any other defect, or if the defect definition blends into any other defect, the developer changes the defect status to ‘duplicate.’

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