如何编写调试和发布配置的测试

Question

I'm writing a library, and behaviour of it differs based on mode if it's debug or release. I want to write a unit-tests TestDebugBehaviour and TestReleaseBehaviour . Is it possible to setup tests to run in debug/release mode?

Answer 1

I think you should be able to do this with preprocessor directives. I am using xunit in my examples below; you will probably have to decorate your test method with a different attribute.

This test should only execute in debug mode.

#if DEBUG

[Fact]
public void ThisIsATestThatWillOnlyRunInDebugMode()
{
    throw new Exception("I am running in debug mode.");
}

#endif

This test does not exactly run in release mode specifically, it just runs in any mode except debug mode but that is usually good enough.

#if !DEBUG

[Fact]
public void ThisIsATestThatWillNotRunInDebugMode()
{
    throw new Exception("I am running in in something other than debug mode.");
}

#endif

Answer 2

No. That is not possible. If you want to make such a comparison, just compile&run it in both release and compare the results. If a method behaves incorrectly in release mode only, use a logger to trace the behavior of that method and check out where things go wrong.