GUI testing

What is GUI Testing?
Graphical user interface (GUI) testing refers to testing a graphical user interface to ensure problem-free use and implementation.

A graphical user interface is a software tool that enables end users to take advantage of a software environment. These tools must work well to support a user base.

Graphical testing of the user interface is based on specific paradigms that help developers test the full range and functionality of the system. These are sometimes referred to as 'test cases'.

Developers and other users must verify that every part of a graphical user interface is working properly. For example, using any individual menu item, window, text box, or other control works as desired. With GUI tests, professionals look for a wide range of problems, from incorrect output and small bugs or malfunctions to complete system crashes.

Regression testing for GUIs involves multiple or complex control paths. For example, a developer may need to review a specific series of user activities where a user first selects the menu item and then uses other controls in turn. The idea of complex control paths has numerous different permutations that must be checked in the GUI test.

GUI tests must also be performed for each individual device environment. A major use of GUI testing has emerged as portable devices such as smartphones and tablets have gradually adopted much of the functionality previously made possible by laptop computers. The GUIs for mobile devices differ from those of laptop or desktop computers and many different types of software teams are required to migrate GUI systems to phones accordingly.

The graphical user interface is the core of the environment in many ways, and GUI testing generally requires significant work and investment on the part of technology providers.

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