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Asked: 2026-05-10T23:32:27+00:00

When I run the following test in Gallio’s Icarus it passes, but when I

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When I run the following test in Gallio’s Icarus it passes, but when I step into it using TestDriven.NET (Test With->Debugger), it fails because the parameters are not set according to the Row attributes.

I was expecting that the method would be called once for each Row attribute applied.

What am I doing wrong? If nothing, then what do I need to do to debug these tests when they break? Should I avoid parametrized tests if they are not debuggable?

[TestFixture] public class TestDrivenIgnoresMbUnitAttributesWhenDebugging {     [Test]     [Row(1)]     [Row(2)]     public void SomeFunc(int x)     {         Assert.AreNotEqual(default(int), x);     } }
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1 Answer

  1. Hmm… did you install TestDriven.Net BEFORE installing Gallio?

    If not, then the Gallio extensions for TestDriven.Net will not be installed. In that case, TestDriven.Net might run the test in ‘ad-hoc’ mode with default values for its parameters.

    It should be pretty to tell whether this is the case. If the Gallio extensions for TestDriven.Net are installed then you’ll see a ‘Gallio’ banner message in the Output Window during test execution. If not you may see something else like ‘ad-hoc’.

    To fix the problem, reinstall Gallio. Alternately you can use the add/remove features part of the Gallio installer then ensure that the TestDriven.Net components are selected for installation (under ‘Test Runners’).

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