Question

Question is taken from here: SO – Timeout in c# tests

I created a simple unit test like this:

[Timeout(1000)][TestMethod]
public void TestMethod1()
{
    try
    {
        System.Threading.Thread.Sleep(2000);
    }
    finally
    {
        Console.WriteLine("Executed");
    }
}

When I run the test, the finally block is not executed. But when I debug it, it does. Why is this happening?

Answer 1

You specify the test timeout at 1000 ms, while your method sleeps for 2000 ms. This results in your test method being prematurely force-closed by the test framework, so it doesn’t leave the Sleep call and doesn’t have time to reach finally block. Debugging probably disables the timeout attribute.