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Domain Testing

What is domain?

An IT industry derives its revenue from the other industry by providing software solutions to the different organizations in different types of business. The domain is a type of business or industry. For e.g.: Health insurance, retail, telecom, aviation, etc. 

What is domain testing?

Domain testing is a kind of software testing process during which the software is tested by giving a minimum number of inputs and evaluating its proper outputs and it is specific to a particular domain. In the domain testing, we test the software by giving the appropriate and inputs and checking for the expected outputs from the domain perspective.

The Domain testing differs for every specific domain in order that we’d like to own domain-specific knowledge so as to check a software.

Domain test strategy:

When we are domain testing we’d like to think about the below specific things

  1. What domain are we testing?
  2. How to group the values into classes?
  3. How to determine the result?

What domain are we testing?

Any domain which we test has some input functionality and output functionality. There are some input variables to be entered and therefore the proper output will be verified.

Domain testing example

  1. Let us consider single input test scenario

c = a + b, where a and b are input variables and c is an output variable. Here within the above example there is no need of classification or could also be a combination of variables is required.

  1. Consider the below multiple inputs and proper output scenario

Consider a Halloween games activities for kids, 6 competitions which are laid out, and tickets which have given in line with the age and gender input these ticketing modules to be tested in for the entire functionality of games exhibition.

Based on the scenario, we have six scenarios supported on the age and the competitions

  1. Age > 5 and < 10 Boy should participate in halloween costumes.
  2. Age > 5 and <  10, girl should participate in musical chair.
  3. Age >10 and < 15, Boy should participate in volley ball.
  4. Age >10 and < 15, girl should participate in social projects.
  5. Age < 15, both boys and girls should participate in making halloween cookies.
  6. Age >15, both boys and girls should participate in halloween decorations.

Domain Testing Structure:

Testers follow the below steps in an exceedingly domain testing. These could also be customized/skipped consistent with our testing needs.

  1. Identify the doubtless interesting variables.
  2. Identify the variable you’ll be able to analyse now and order them.
  3. Identify the test data by applying equivalence class partition technique and boundary value analysis technique..
  4. Identify and test variables that hold results.
  5. Evaluate how program uses the worth of this variable.
  6. Identify and list unanalysed variables. Collect information for later analysis.

Bug Assumptions for Domain Testing: 

1. Ambigus Domains

The union of the particular domains results either in missing domains or holes. Hence the union operation is incomplete. This bug will occur when the mixture of required domains is completed.

2. Overloaded Domains

This bug will occur when the domain consists of too many conditions which are able to end up in a Null Domain.

3. Closure Bug

The bug happens after we may have selected the incorrect predicate like x >= 0 is written as x <= 0.

4. Boundary Errors

This bug occurs when the boundary is shifted or when the boundary is tilted.

5. Faulty Logic Bug

The bug happens when there are incorrect manipulations calculations or simplifications in a domain.


  1. Domain will have restrictions as do other testing techniques.
  2. They should be productive because they will not reveal bugs.
  3. In testing there are no invalid tests only, unproductive tests.


Explain your understanding about domain-based testing

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