virheenkäsittelytestaus

Virheenkäsittelytestaus, also known as error handling testing, is a software testing process focused on verifying how a system or application behaves when encountering invalid, unexpected, or erroneous input or conditions. The primary goal is to ensure that the software gracefully handles errors, prevents data corruption, and provides informative feedback to the user or logs errors appropriately, rather than crashing or behaving unpredictably.

This type of testing involves deliberately supplying the software with data that falls outside its expected parameters. This can include incorrect data types, missing values, out-of-range numbers, malformed inputs, or attempting operations that are not permitted under current conditions. The tester then observes the system's response to these invalid inputs.

Effective virheenkäsittelytestaus aims to confirm that the application does not exhibit common error-related issues such as segmentation faults, buffer overflows, infinite loops, or security vulnerabilities. It also checks that error messages are clear, understandable, and helpful to the end-user, guiding them on how to correct the problem. For system administrators or developers, it's important that error logs are generated accurately and contain sufficient detail for debugging purposes.

The scope of virheenkäsittelytestaus can vary greatly depending on the application. It can range from simple input validation on web forms to complex scenarios in enterprise systems involving network failures, database errors, or hardware malfunctions. Thorough error handling testing contributes significantly to the overall robustness, reliability, and user experience of a software product.