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Testing Design in Mobile Development

Mobile development process is becoming more complex nowadays due to the continual change in technology and tight timetables. In order to guarantee that client mobile app is delivered with the finest quality, then it is necessary to implement some of the efficient test design techniques. Test design techniques are aimed to test the functionalities and features through some effective test cases. It is much better to use these test designs based on the kind of software you are building rather than picking the test designs out of the air.

Software testing is the process of identifying the correctness and quality of any software. This includes the process of executing the software with the intent of finding errors. A number of factors are considered for effective test design techniques such as accuracy, traceability, completeness and testability.

Here are typical test design techniques in software engineering:

- Equivalence Partitioning also called as Equivalence Class Partitioning (ECP). It is a software testing technique that divides the input test data of the application under test into each partition at least once of equivalent data from which test cases can be derived. An advantage of this method is it reduces the time needed for performing software testing due to less number of test cases.

- Boundary Value Analysis is a type of black box or specification based technique of testing in which tests are performed using the boundary values.

- Error Guessing is a testing technique that makes use of a tester's skill, intuition and experience in testing similar applications to identify defects that may not be easy to capture by the more formal techniques. It is usually done after more formal techniques are completed. The main drawback of error guessing is it depends on the experience of the tester, who is deploying it. On the other hand, if several testers contribute to the process then the outcome can be more effective. The defect and failure list can be used as the basis of a set of tests and this systematic approach is known as fault attack.

- Cause Effect Graph is a black box testing technique that graphically illustrates the relationship between a given outcome and all the factors that influence the outcome.

These are the most common test design techniques, and in our next articles we will share some more information on the rest of them, as well as will have a look at other QA topics and questions.

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