optional-parameters

Moq – Capture parameters with Callback()

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When you’re using Moq to set up a mocked method, you can use Callback() to capture the parameters passed into the mocked method: There are two main use cases for capturing parameters in a test: In this article, I’ll show examples of using Callback() in those two scenarios, and then I’ll explain some problems to … Read more

C# – Pass in a Func to override behavior

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If I want to change the behavior of a method from the outside, I can pass in a function pointer. This approach exists in every language, and is one way to implement the Strategy Pattern. In C#, function pointers are referred to as delegates, and the two most common ones are Action and Func. The … Read more