This is a type of software technology that will make sure that the input data of software data is divided into different parts of similar data. This is where the test data can be derived. In the various principles that are available, the test cases are designed to cover the different partitions.
There are also times when the coverage can occur more than once. This is often used for the black box technique because it can be applied to different levels of testing quickly. This can be a technique that can be done first before other methods can be tried.