It replaces the original system built on a simple bash script. The new test suite offers several advantages:
- It is template based, and individual tests all have their own templates
- It can skip tests based on functionality available on the host system (e.g. skip SDL tests if you don't have that extension)
- It runs multiple tests concurrently (see the -j option). The default concurrency is 4.
- It can test one or more builders. Currently this means it can run the tests through JIT, Native AOT, or both.
- It can compare expected results literally or to a regex
- It can test for explicit stderr output (e.g. parse errors)
- It can stop on test failure, and show expected vs actual results
- It can run a single test template, or recursively import a directory of them
- It's written in crack :)
The main test suite is run via "make check", as usual. You can find the source to screen, as well as the test templates themselves, in the screen/ directory. For more advanced testing (including running individual tests), run crack screen.crk --help
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