TOOLBOX – CUSTOM RANGE
Edge Case Matrix Generator.
Custom Range
Generate boundary value test data for any custom numeric range — integers or decimals. Enter your Min and Max (e.g. 1.5 and 123.456) and BorderlineData calculates the correct step size, then returns Min−δ, Min, Mid, Max, Max+δ, and targeted invalid edge cases automatically.
Download Test Data As
💡 Generates Min−δ, Min, Mid, Max, Max+δ (δ = smallest decimal unit)