Sampling Test Cases
Exhaustive testing—that is, running every possible test case covering every combination of values—is obviously a reliable testing approach. However, in many situations the number of test cases is too large to handle reasonably. If there are more possible test cases than there is time to construct and execute them, a systematic technique is needed for determining which ones to actually use. If we have a choice then we would prefer to select the ones that will find the faults in which we are most interested. If we have no prior information, then a random selection is probably as good as we can do. In this section we will consider the general concept of sampling, and then we will apply it to interaction testing.
With any testing ...
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