Independent Testing: Module Testing for Classes

Independent Testing: Module Testing for Classes

The purpose of software module testing is to ensure that each module corresponds to their specifications. If so, then the cause of any errors that occur when combining the modules is their incorrect connection. In procedural-oriented programming the module is referred to as a procedure or function, sometimes a group of procedures that implement an abstract data type. Unit testing is usually a combination of checks and the runs of test cases. You can create a module test plan, which includes the test cases and information on the construction of a test driver.

Class testing is similar to module testing. The basic element of an object-oriented program is the class. Let us consider a methodology for testing a separate class. Testing of classes covers activities associated with verifying if the implementation of the class is done in exact compliance with the class specification. If the implementation is correct, then every instance of this class behaves properly. If you opt for independent testing you forget employing in-house quality assurance experts as their services are not only expensive but do not guarantee unbiased results.

Testing of classes can be completed successfully if using reviews and test runs. The review is an examination of source code of the software to detect errors and defects, possibly before the software will work as intended. The review is designed to detect errors such as failure to perform a particular requirement within the specification or understand its content, and identify algorithmic errors in the implementation. Test run provides testing of the software during its execution. When the program is run, the tester seeks to determine whether this program is able to behave in accordance with the specification. The tester must select sets of input data, determine which correct output data sets correspond to them and compare these data with the actual output data obtained. QA consultants will listen to you attentively to offer you the most effective solutions on improvement of software products under development.

Consider the test classes while running the test cases. After identifying the test cases for the class you need to implement a test driver that runs each test case, and record the results of each such run. When testing classes the test driver creates one or more copies of the class under test and runs test cases. A test driver may be implemented as a standalone testing class.

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