Steven Giesel • 3/5/2024

Typesafety in xUnit with TheoryData<T>

This technical article demonstrates a solution for improving type safety in xUnit parameterized tests. It shows how to replace an untyped IEnumerable<object[]> data source with the strongly-typed TheoryData<T> class, ensuring compile-time validation for test method parameters in C#/.NET projects.

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#unit testing #c #Xunit