> Is it not possible to unit test GHC?

You need to export functions you want to test, and then write a program that
tests those functions using the `ghc` package.

See
https://github.com/ghc/ghc/blob/master/testsuite/tests/unboxedsums/unboxedsums_unit_tests.hs
for an example.

2016-10-11 17:50 GMT-04:00 Thomas Jakway <tjakway@nyu.edu>:

I read somewhere that fixing the graph register allocator would be a good project so I thought I'd look into it. I couldn't find any tickets about it on Trac though so I was poking around for tests to see what (if anything) was wrong with it.

After I sent that last email I googled around for how to write ghc unit tests and this is the only thing I found.  Is it not possible to unit test GHC?  If not are there plans/discussions about this?  I think it'd help document the code base if nothing else and it'd be a good way to get my feet wet.

On 10/11/2016 02:13 PM, Ben Gamari wrote:
Thomas Jakway <tjakway@nyu.edu> writes:


Can anyone point me to the register allocator tests (especially for the 
graph register allocator)?  Can't seem to find them and grepping doesn't 
turn up much (pretty much just 
testsuite/tests/codeGen/should_run/cgrun028.h).


What sort of tests are you looking for in particular? I'm afraid all we
have are regression tests covering the code generator as a whole.

Cheers,

- Ben


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