Json.net also tricked me

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Recently, I was tricked by Roslyn, today by Json.NET. My bloody luck ;) Let's look at the following two very simple classes. Class A has one readonly property and I had to define a special constructor to allow Json.NET to set this property. B is also simple. It has one property, this time of type A with some default value.

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Roslyn tricked me again

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A while ago 2 of my SpecFlow tests started failing on the build server. At the same time, on a few local machines no problems were observed. I also didn't find any exceptions in the log, so I decided to log into the server and debug a problem there.

Quite soon I figured out that the problem is in the algorithm that uses Roslyn to analyse and understand the code. Here is a simplified code that finds all local variables within a method body and tries to determine their exact types.

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