zhjwpku commented on PR #13:
URL: https://github.com/apache/iceberg-cpp/pull/13#issuecomment-2545327922
> Thanks @zhjwpku !
>
> What I would be interested to know is the compile and link times,
respectively, for both GTest and Catch2. My experience in Arrow is that GTest's
main header `gtest.h` imposes a large compilation overhead when you have many
independent test modules, and I'm curious if Catch2 improves the situation.
I did 3 tests:
1. using -E to see the preprocessed file size
- 4301941 -- gtest
- 4086315 -- catch2
2. using `time` to see the compile time
- 0.40s user 0.06s system 78% cpu 0.587 total -- gtest
- 0.32s user 0.06s system 76% cpu 0.494 total -- catch2
3. using `time` to see the link time
- 0.04s user 0.02s system 79% cpu 0.080 total -- gtest
- 0.09s user 0.03s system 98% cpu 0.120 total -- catch2
As the results shows, catch2 is better at preprocessed file size and compile
time, but gtest is better when it comes to link time. I don't think the above
tests is adequate to prove which is better than the other, since the UT in this
PR is fairly simple.
I think we should focus closely on the specific benefits that the test
framework is expected to deliver for this project.
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