This initial stage in testing normally carried out by the developer who wrote the code and sometimes by a peer using the white box testing technique.
This stage is carried out in two modes, as a complete package or as an increment to the earlier package. Most of the time black box testing technique is used. However, sometimes a combination of Black and White box testing is also used in this stage.
In this stage the software is tested from all possible dimensions for all intended purposes and platforms. In this stage Black box testing technique is normally used.
This testing stage carried out in order to get customer sign-off of finished product. A 'pass' in this stage also ensures that the customer has accepted the software and is ready for their use.
Onsite team will go to customer site to install the system in customer configured environment and will check for the following points:
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