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What are the common design methods of software test cases?

Equivalence partition

2. Boundary value: Just equal to, just greater than and just less than the boundary value should be selected as the test data.

3. Error inference method: perform error operation and verify whether the program is correct for the error field. Ability to cope with the situation.

4. Causality diagram/decision table method: it is suitable for checking various combinations of program input conditions.

5. Scenario method: the business process described by the scenario.

Basic flow: mainly the normal operation flow of the function.

Branches and tributaries: procedures are needed for illegal judgments.