Types of Tests
There are several different types of tests. In my work, four have proved to be the most valuable: unit tests, functional tests, regression tests, and integration tests. Let's discuss each type separately.
Unit Tests
Unit tests are written by programmers to ensure that programs work as they're supposed to. What defines what a program is supposed to do? The specifications and design laid out earlier. Unit tests are often built right into the software, with conditional defines either including or excluding them from the compiled executable. Unit tests affirm, module by module, that code correctly implements the functionality the programmer thinks it's supposed to have. Unit tests help identify software bugs.
Functional Tests
Functional ...
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