Writing Unit Tests

Whenever you fix a bug, please add a regression test for it: this is a test (ideally automatic) that fails before the fix, exhibiting the bug, and passes after the fix. Whenever you implement a new feature, please add tests that verify that the new feature works as intended. Once you've written and committed your tests (along with your fix or new feature), you can check out the branch on which your work is based then check out into this the test-files for your new tests; this lets you verify that the tests do fail on the prior branch.

See the Qt Test documentation and Qt Test Best Practices for details of how to write tests; and Writing good tests for further hints on this wiki.