Unit Testing - Boundary Analysis

What is Boundary Analysis?

The 'Boundary Analysis' approach means testing a Method-Under-Test with a range of input values - some of which are valid, and some of which are invalid - to ensure that the Method-Under-Test...

• is working well with all kinds of valid values, and
• that it rejects invalid values, and hence does not make an attempt to process them, which would lead to failure (obvious failures [such as Exceptions] and not-so-obvious failures).

Articles on the Internet related to Boundary Analysis

Overview

• What is Boundary value analysis in software testing?
• Wikipedia Article

Related Concepts

• What is Equivalence partitioning in Software testing?
• While testing why it is important to do both equivalence partitioning and boundary value analysis?
• What is Decision table in software testing?