What is the price of a software bug?
Everyone who has heard something about software testing is sure that the main tester’s goal is to discover bugs. In general, it is correct. But to discover software errors is only one point from the set of tester’s duties.
Besides finding bugs, a specialist of software testing company should discover them quickly. The matter is that the issue cost depends on the level of software development life cycle where the bug has been found. It is the grading dependence.
How Does the Cost of Bug Fixing Depend on the SDLC Level?
- Specification
- Design
- Code
- Test
- Release
The cheapest bugs are specification and design ones. To fix such errors and mismatches requires less money and efforts. The most expensive problems are those that are discovered after the release. So the tester’s task is to find bugs as early as possible.
But to discover bugs as early as possible is not enough for developing the software product of a high quality. A tester should make certain that discovered bugs have been removed. The specialist runs the test case one more time to ensure that errors have been fixed.
To fulfil the duties, a specialist performs various software checking types, for example, functional testing, load testing, integration testing, usability testing, system testing, etc. he applies different principles and methodologies to reach the set goals.
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