Some Worthy Considerations About Regression Testing Services

Some Worthy Considerations About Regression Testing Services

When authorized people, such as qa service providers, perform regression testing using existing set of tests it is necessary for them to preserve the information on the results of tests run in the early stages of software test life cycle. Regression testing services are delivered to ascertain that no new bugs have been introduced in the product after its modification or enhancement.

Assume that no program statements, except for those whose behavior depends on the changes, can adversely affect the program. Even under this condition, there are some situations that require special attention, such as the problem with memory leaks and the like. Situations of the kind are handled differently in different programming systems. For example, Java language itself uses memory management system since memory management is automatic in this language. If the system does not control the allocation of memory automatically, we must assume that all memory management operators also exhibit behavior that depends on the changes.

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The problem of languages ​​such as C and C ++, which allow to perform arbitrary arithmetic operations on the pointers, is that the pointers can disrupt memory area boundaries, they point to. This means that variables can be handled in ways that cannot be analyzed at the source level. To consider such violations of memory boundaries, the following hypotheses are put forward:

Hypothesis 1 (well-defined memory). Each memory segment accessed by the software system, corresponds to a symbolically defined variable.

Hypothesis 2 (strictly limited pointer). Each variable or expression that is used as a pointer must refer to some basic variable and be limited to using the memory segment, defined by this variable.

To ensure coverage for all components dependent on changes, which can be used to demonstrate that they are affected by existing tests, it is enough to run only one test for each of these components. Many sufficiently large tests (usually the scenario ones), may be able to detect errors caused by violations of conditions for managed regression testing. Software testing outsourcing is always better than in-house testing which is highly priced and tends to provide stakeholders with fake results from time to time….

There are organizational modalities of regression testing. This is the resource (the time) necessary for the test analyst to get familiar with requirements specification of the system, its architecture and possibly the code itself.