Key Points
Testing can only show the presence of errors in a program. It cannot show that there are no remaining faults.
Development testing is the responsibility of the software development team. A separate team should be responsible for testing a system before it is released to customers. In the user testing process, customers or system users provide test data and check that tests are successful.
Development testing includes unit testing in which you test individual objects and methods; component testing in which you test related groups of objects; and system testing in which you test partial or complete systems.
When testing software, you should try to “break” the software by using experience and guidelines to choose types of test cases that ...
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