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What are the methods of test case design

time:2025-02-23 09:02:37 Smart Hardware

 A common approach to designing test cases

 Common approaches to designing test cases include:

1. Flowchart method (also known as scenario method): mainly for business scenarios, that is, the combination of multiple functions.

2. Equivalence class division method: Mainly for the data is large, and the data is mainly numeric and date types, the test data is classified, and each classification represents a set of equivalence classes, then the test data in each equivalence class should have the same expected results.

3. Boundary value analysis: Test the boundary values in the test case, including the maximum value, the minimum value, and extreme cases such as infinity or infinitesimus.

4. Decision table method: Abstract different situations of complex systems to form decision tables, and test various combinations in the decision tables.

5. Orthogonal method: The data is large, but you can't use an equivalence class to narrow the scope (such as a city name, the browser name is not a number, a date type), so use an orthogonal table to narrow the range.

6. False Speculation: Used by experienced people to infer other errors or failures that may exist based on known errors or failures.

7. Statechart method: Generate a statechart according to the transition rules between states specified by the system, and test the transition between states.

Adopting different test case design methods can help testers find different types of defects and problems, improve software quality and test efficiency.

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