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White Box and Black Box Testing: Inspect Your Software Inside-Out
White Box and Black Box Testing: Inspect Your Software Inside-Out

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Software testing is considered one of the most important stages of the software development life cycle, in order to build quality software. In today’s world, the right approach to testing is usually a blend of different testing techniques.

In this article, we will cover two widely used types of testing, white box, and black box testing. By combining these two testing techniques, developers can guarantee that tests:

  • Apply knowledge of application structure to identify vulnerabilities and errors.
  • Evaluate the application objectively and detect UX/UI issues.
  • Cover all sides of application functionality.

What is White Box Testing?

White box testing is a quality assurance method that allows testers to inspect the internal structure, design, and code of the software to improve design, usability, and security.

Advantages of White Box Testing

White box testing is mainly used to identify software structural problems, hidden errors, and issues with specific application components. However, it also comes with a number of advantages that include:

  • Ability to reach complete code coverage.
  • Easy to automate.
  • Reduces communication overhead between testers and developers.
  • Allows for continuous improvement of code and software engineering practices.
  • Testing can start early in the software development life cycle.
  • Optimizing code by uncovering hidden errors and bugs.


Types of White Box Testing

There are several types of white box testing including:

Unit Testing

This type of testing aims to ensure that each component of the application code is working as expected.

Integration Testing

This type of testing is designed to examine integration points between internal components in a software system, or integrations with external systems.

Penetration Testing

This type of security testing involves hiring an ethical hacker, to attempt to attack the software application, based on acquired knowledge of its code and production environment.

Static Code Analysis

This type of testing automatically uncovers vulnerabilities and coding errors in static code, using calculated patterns or machine learning analysis.

What is Black Box Testing?

Black box testing is a quality assurance method that involves examining a system without knowing its internal code. The objective of this type of testing is to identify how the system responds to user actions, response time, usability issues, and system reliability.

Advantages of Black Box Testing

The central concept behind black box testing is the idea that end-users don’t care how a software system is coded or structured. They only care to receive a proper response to their requests.

Based on this premise, a black box tester can simulate user activity, to see if the system delivers the appropriate actions.

In addition to that, black box testing has the following advantages:

  • Testers are not required to have technical knowledge, programming, or IT skills to conduct this type of testing.
  • Testers don’t need to examine the implementation details of the software system.
  • Tests can be performed by outside testers.
  • Black box tests are usually not as complex since they simply mimic common user behavior.


Types of Black Box Testing

There are several types of black box testing including:

Functional Testing

This type of testing focuses on testing specific functions or features of a software application. For example, examining if it’s possible to login into the system using correct user sign-in information.
At Mash World, we provide a full check on your application to make sure it works as per users’ expectations.

Regression Testing

This type of testing is used to see if any new code had any negative effects on the pre-existing software code. Regression testing can be applied to functional and non-functional aspects of the software.

Examples of regression testing include checking whether a specific feature still works as expected in a new software version.

Therefore, at Mash World, we strive to bring maximum functionality and accuracy every time you release a new version of your software.

Integration Testing

This type of testing is used to validate all software units are working seamlessly together.

Acceptance Testing

This type of testing is used to evaluate the software and make sure it meets your business requirements.


Powering your Software with High-end Quality Assurance

If you are looking to build and launch high-quality software applications while lowering maintenance costs, improving user experience, and increasing functionality. Adopting a combination of white box and black box testing is absolutely vital.

We help you identify and fix the shortcomings of your software, that prevent your customers from having a whole, enjoyable experience.

White Box Testing Services

White-box testing is a thorough and easy-to-automate process that Mash World’s team has mastered through the years.

Our expert quality assurance engineers will help you deliver high-quality applications through:

  • Developing test plans to identify the best test cases.
  • Detecting errors that original developers miss.
  • Studying code to understand utilization resources, code areas that are not accessed, etc.
  • Ensuring comprehensive code coverage and driving continuous code development.
  • Performing white box security testing to detect any possible threats.
  • Reporting any detected defects in data inputs and outputs.
  • Conducting performance testing to ensure your app is working according to agreed specifications.
  • Introducing automation in the software building process.

Black Box Testing Services

Enhance the functionality of your software and identify errors that go undetected by white box testers.

At Mash World, our expert testers will explore your application through the customers’ eyes, to identify hidden bugs that might affect user experience through:

  • Developing test cases that cover all the expected user journeys.
  • Interacting with your app as a user, and not a programmer.
  • Enhancing user experience & software quality.
  • Detecting errors that developers miss.
  • Bringing peace of mind without the hassle of having in-house developers.
  • Delivering services timely & efficiently.