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Schaum's Outline Series

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CHAPTER 10 Software Testing 157<br />

EXAMPLE 10.13<br />

If we selected 1000 test cases randomlyusing an operational profile and found<br />

three errors, we could predict that this software would have an error rate of less<br />

than three failures per 1000 executions in the operational environment. See<br />

Section 3.8 for more information on using error rates.<br />

10.6 Boundary Testing<br />

Often errors happen at boundaries between domains. In source code, decision<br />

statements determine the boundaries. If a decision statement is written as x

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