Cppunit effort

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Started in 07/2017
Description foo
Contributor(s) Bugman
Status Under active development as of 04/2018
Folders foo
Changelog foo
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The aim is to make it very easy for people to write unit or system/functional tests for fgfs (rather than simgear), which should make it much easier for new developers to dive into the flightgear sources. A long term goal might be to have good test coverage of the whole binary so that fgfs is harder to break and is more stable.[1]



The hardest one would be to set up and run only a small subset of subsystems and other infrastructure. But it is possible to write unit tests now. Writing a system/functional test is much more difficult but, with a bit of work, it should be possible.[2]


The idea is to make it possible to set up a single subsystem and all its dependencies in a few lines of test code. Then it should be easy to write a test. This is the dependency arrays, subsystem manager/factory fusion, and dynamic dependency resolution algorithm discussed in another thread. Edward is currently working on some ideas, he is also working on subsystem robustness testing for the test suite. This will make it much easier to work with isolated subsystems or sets of subsystems, as many subsystems are quite brittle and if you run them in a way unintended compared to how they are run in fgfs, you see segfaults all over the place.[3]


  1. Edward d'Auvergne  (Apr 1st, 2018).  Re: [Flightgear-devel] Questions about TestSuite .
  2. Edward d'Auvergne  (Apr 1st, 2018).  Re: [Flightgear-devel] Questions about TestSuite .
  3. Edward d'Auvergne  (Apr 1st, 2018).  Re: [Flightgear-devel] Questions about TestSuite .