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Failure-Directed Testing

Definition - What does Failure-Directed Testing mean?

Failure-directed testing, also sometimes called heuristics testing, is a type of software testing that focuses on the most likely errors for a piece of software or a program. This type of testing tries to work more intelligently than blanket or standard testing in order to seek out bugs or glitches and fix them.

Techopedia explains Failure-Directed Testing

Some types of failure-directed testing consist of black box testing, where instead of looking at the source code of a program, programmers run the program and see what happens. This is in contrast to white box testing, where testers look at the actual source code of a program to look for possible errors. However, certain types of black-box testing can focus test activities on the areas of a program where certain types of failure are more likely to happen. For example, if testers know that a particular piece of source data is complex or nebulous, they may focus failure-directed testing in that area in run-time tests. That means that there can also be an element of white-box testing in failure-directed testing. The basic idea of failure-directed testing is that developers should put special focus on areas of the code base where more can go wrong.

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